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Articles 1261 - 1290 of 2441
Full-Text Articles in Medical Specialties
Evaluation Of The Sharkcore, Benjamin L. Witt, Rachel E. Factor, Barbara E. Chadwick, Justin Caron, Ali A. Siddiqui, Douglas G. Adler
Evaluation Of The Sharkcore, Benjamin L. Witt, Rachel E. Factor, Barbara E. Chadwick, Justin Caron, Ali A. Siddiqui, Douglas G. Adler
Division of Gastroenterology and Hepatology Faculty Papers
Background and Objectives:
EUS guided core biopsy was once rarely performed but is now entering mainstream practice. Neuroendocrine tumors often warrant core biopsy as sufficient tissue must be obtained to allow for special staining to ensure a correct diagnosis. Traditionally these lesions were sampled with FNA needles. We performed a retrospective pilot study to evaluate the clinical value and efficacy of the a new EUS core needle biopsy needle as compared to a standard EUS FNA needle in the evaluation of patients with known or suspected neuroendocrine tumors.
Methods:
A retrospective analysis of the first 10 patients (between January 2015 …
Microbiological And Clinical Profile Of Infective Endocarditis Patients: An Observational Study Experience From Tertiary Care Center Karachi Pakistan, Uzma Shahid, Hasanat Sharif, Joveria Farooqi, Bushra Jamil, E. Khan
Microbiological And Clinical Profile Of Infective Endocarditis Patients: An Observational Study Experience From Tertiary Care Center Karachi Pakistan, Uzma Shahid, Hasanat Sharif, Joveria Farooqi, Bushra Jamil, E. Khan
Department of Pathology and Laboratory Medicine
Background:
The study analyzed microbiological and antimicrobial susceptibility profile of organisms isolated from patients with infective endocarditis (2015–17) and compared disease outcomes in cohorts of endocarditis patient with history of prior invasive vascular intervention (high risk group) vs those without (native valve group). We hypothesized that high risk group would be more likely to have severe disease outcomes.
Methods:
This was a prospective cohort study (2015–17). All blood and cardiac tissue samples of enrolled patients suspected of endocarditis according to modified Duke’s criteria were followed for microbiological and antimicrobial susceptibility profile. The high risk group was compared with the native …
Neurological Complications In Patients With Plasmodium Vivax Malaria From Karachi, Pakistan, Mohammad Asim Beg, A Akhlaq, Najia Karim Ghanchi, B Usmani, R Shahzad, A Rahim, Mohammad Wasay
Neurological Complications In Patients With Plasmodium Vivax Malaria From Karachi, Pakistan, Mohammad Asim Beg, A Akhlaq, Najia Karim Ghanchi, B Usmani, R Shahzad, A Rahim, Mohammad Wasay
Department of Pathology and Laboratory Medicine
Background: Malaria remains an endemic disease in Pakistan with an estimated healthcare burden of 1.6 million cases annually, with Plasmodium vivax accounting for 67% of reported cases. P. vivax is the most common species causing malaria outside of Africa, with approximately 13.8 million reported cases worldwide.
Method: We report a series of P. vivax cases with cerebral involvement that presented at Aga Khan University Hospital, Karachi, Pakistan.
Results: The majority of the patients presented with high-grade fever accompanied by projectile vomiting and abnormal behaviour, seizures, shock and unconsciousness. Seven of 801 patients with P. vivax monoinfection presented or developed cerebral …
Evaluation Of Quality Of Warfarin Therapy By Assessing Patient's Time In Therapeutic Range At A Tertiary Care Hospital In Pakistan, Haris Hakeem, Ammar Zaman Khan, Kashif Aziz, Ayesha Abbasi, Anam Haider, Bushra Moiz, Mohammad Wasay
Evaluation Of Quality Of Warfarin Therapy By Assessing Patient's Time In Therapeutic Range At A Tertiary Care Hospital In Pakistan, Haris Hakeem, Ammar Zaman Khan, Kashif Aziz, Ayesha Abbasi, Anam Haider, Bushra Moiz, Mohammad Wasay
Section of Neurology
Objective: To assess the time in therapeutic range in patients on warfarin anti-coagulation therapy.
Methods: The retrospective chart review was conducted at Aga Khan University Hospital, Karachi, and comprised data of patients having undergone anti-coagulation with warfarin from January 2013 to April 2015. To determine the mean time in therapeutic range, Rosendaal method was used. Association of time in therapeutic range with the composite outcome, bleeding and thromboembolic events was also assessed. Percentage of patients with time in therapeutic range <60% was calculated.
Results: There were 92 patients whose median time in therapeutic range was 34.9% (interquartile range: 20.0- 55.7). Overall, 71(77.2%) …
60%>Does The Venus De Milo Have A Spinal Deformity?, Kevlian Andrew, Joe Iwanaga, Marios Loukas, Jens Chapman, Rod J Oskouian, R Shane Tubbs
Does The Venus De Milo Have A Spinal Deformity?, Kevlian Andrew, Joe Iwanaga, Marios Loukas, Jens Chapman, Rod J Oskouian, R Shane Tubbs
Articles, Abstracts, and Reports
The Venus de Milo, an ancient Greek statue, has been viewed as one of the most celebrated pieces of art in Western culture. It was sculpted during the Hellenistic period between 150 and 50 BC and is believed to be the work of Alexandros of Antioch. The sculpture is thought to depict Aphrodite, the Greek goddess of love and beauty. When assembled, the two halves of the sculpture meet in an almost horizontal line that is purposefully obscured by a roll of garment around the hips. It has been noted that the midline of the statue's face is displaced slightly. …
Monocarboxylate Transporter 4 (Mct4) Knockout Mice Have Attenuated 4nqo Induced Carcinogenesis; A Role For Mct4 In Driving Oral Squamous Cell Cancer., Sara Bisetto, Diana Whitaker Menezes, Nicole A. Wilski, Madalina Tuluc, Joseph Curry, Tingting Zhan, Christopher M. Snyder, Ubaldo E. Martinez-Outshoorn, Nancy J. Philp
Monocarboxylate Transporter 4 (Mct4) Knockout Mice Have Attenuated 4nqo Induced Carcinogenesis; A Role For Mct4 In Driving Oral Squamous Cell Cancer., Sara Bisetto, Diana Whitaker Menezes, Nicole A. Wilski, Madalina Tuluc, Joseph Curry, Tingting Zhan, Christopher M. Snyder, Ubaldo E. Martinez-Outshoorn, Nancy J. Philp
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Head and neck squamous cell carcinoma (HNSCC) is the 6th most common human cancer and affects approximately 50,000 new patients every year in the US. The major risk factors for HNSCC are tobacco and alcohol consumption as well as oncogenic HPV infections. Despite advances in therapy, the overall survival rate for all-comers is only 50%. Understanding the biology of HNSCC is crucial to identifying new biomarkers, implementing early diagnostic approaches and developing novel therapies. As in several other cancers, HNSCC expresses elevated levels of MCT4, a member of the SLC16 family of monocarboxylate transporters. MCT4 is a H+-linked …
Variant Of The Anconeus Epitrochlearis Muscle: A Case Report., Chrissie Massrey, Joe Iwanaga, Basem Ishak, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Variant Of The Anconeus Epitrochlearis Muscle: A Case Report., Chrissie Massrey, Joe Iwanaga, Basem Ishak, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
The anconeus epitrochlearis is a muscle variant sometimes present at the elbow. It is present in up to 34% of individuals and has been implicated in some cases of cubital tunnel syndrome. We report an unusual variant of this muscle with additional proximal attachments in the arm. We will review and discuss the background and the clinical relevance of such a muscle.
Common Pitfalls In Analysis Of Tissue Scores, David K. Meyerholz, Nathan L. Tintle, Amanda P. Beck
Common Pitfalls In Analysis Of Tissue Scores, David K. Meyerholz, Nathan L. Tintle, Amanda P. Beck
Faculty Work Comprehensive List
Histopathology remains an important source of descriptive biological data in biomedical research. Recent petitions for enhanced reproducibility in scientific studies have elevated the role of tissue scoring (semiquantitative and quantitative) in research studies. Effective tissue scoring requires appropriate statistical analysis to help validate the group comparisons and give the pathologist confidence in interpreting the data. Each statistical test is typically founded on underlying assumptions regarding the data. If the underlying assumptions of a statistical test do not match the data, then these tests can lead to increased risk of erroneous interpretations of the data. The choice of appropriate statistical test …
Lacrimal Gland Tumors In Turkey: Types, Frequency, And Outcomes., Yağmur Seda Yeşiltaş, Ahmet Kaan Gündüz, Esra Erden, Carol L. Shields
Lacrimal Gland Tumors In Turkey: Types, Frequency, And Outcomes., Yağmur Seda Yeşiltaş, Ahmet Kaan Gündüz, Esra Erden, Carol L. Shields
Wills Eye Hospital Papers
AIM: To evaluate the clinical, radiological, and treatment features of lacrimal gland tumors.
METHODS: Retrospective review of 99 eyes of 92 patients with lacrimal gland tumors diagnosed and managed in a single institution between January 1999 and March 2017. Clinical and radiological features, histopathology, treatment methods, and prognosis were evaluated.
RESULTS: The mean patient age was 40.3 (range: 7-80)y. The diagnosis was made histopathologically in 91 (91.9%) tumors and on a clinical and radiological basis in 8 (8.1%) tumors. Final diagnoses included idiopathic orbital inflammation (pseudotumor) in 46 (46.5%) lesions, pleomorphic adenoma in 14 (14.1%), adenoid cystic carcinoma in 12 …
Intestinal Carriage Of Third-Generation Cephalosporin-Resistant And Extended-Spectrum Β-Lactamase-Producing Enterobacteriaceae In Healthy Us Children., Shamim Islam, Rangaraj Selvarangan, Neena Kanwar, Rendie Mchenry, James D. Chappell, Natasha Halasa, Mary E. Wikswo, Daniel C. Payne, Parvin H. Azimi, L Clifford Mcdonald, Oscar G. Gomez-Duarte
Intestinal Carriage Of Third-Generation Cephalosporin-Resistant And Extended-Spectrum Β-Lactamase-Producing Enterobacteriaceae In Healthy Us Children., Shamim Islam, Rangaraj Selvarangan, Neena Kanwar, Rendie Mchenry, James D. Chappell, Natasha Halasa, Mary E. Wikswo, Daniel C. Payne, Parvin H. Azimi, L Clifford Mcdonald, Oscar G. Gomez-Duarte
Manuscripts, Articles, Book Chapters and Other Papers
Background: The epidemiology of antibiotic-resistant Enterobacteriaceae intestinal carriage in healthy US children has not been well characterized.
Methods: Children between 14 days and 14 years of age were enrolled during well-child visits in Oakland, California, Kansas City, Kansas, and Nashville, Tennessee, between December 2013 and March 2015. Data on recent antibiotic use by the child and travel and hospitalization history of all members of each child's household were obtained with a risk-factor survey. Stool specimens collected from the subjects were screened for extended-spectrum β-lactamase-producing (ESBL-P) bacteria using CHROMagar ESBL medium. Putative ESBL-P Escherichia coli and Klebsiella colonies underwent phenotypic confirmation …
Bifid Xiphoid Process: Case Report And Review., Seif Eid, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Bifid Xiphoid Process: Case Report And Review., Seif Eid, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
The xiphoid process is a bony process that comprises part of the sternum. This anatomical structure exhibits several morphological variations, which may complicate diagnostic examinations and invasive thoracic procedures. Variations include bifurcated or trifurcated, deflected, and curved processes. This report discusses a case of a bifid xiphoid process during cadaveric dissection and compares similar findings in the literature. The aim is to improve our knowledge of anatomical variations in an effort to reduce complications and improve patient care.
Additional Attachment Of The Semitendinosus And Gracilis Muscles To The Crural Fascia: A Review And Case Illustration., Asad Rizvi, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Additional Attachment Of The Semitendinosus And Gracilis Muscles To The Crural Fascia: A Review And Case Illustration., Asad Rizvi, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
The semitendinosus and gracilis muscles insert primarily onto the superior medial aspect of the tibia. These tendons can be harvested for anterior cruciate ligament reconstruction, and knowledge of their accessory attachments is important for the success of such harvesting procedures. Here, we present a case illustration and review of the attachment of these muscles into the crural fascia (deep fascia of the leg), which is often an underappreciated insertion site.
Wormian Bone Of The Orbit: A Case Report., Asad Rizvi, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Wormian Bone Of The Orbit: A Case Report., Asad Rizvi, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
Wormian bones are formed due to abnormal ossification centers in various locations in the skull. Genetic and/or environmental factors have been proposed to explain their formation. These bones can be normal anatomical variants or associated with a number of pathological conditions. The literature reports the most common locations of these bones as the cranial sutures, and reports of the presence of these bones in the orbit are rare. Clinically, these bones in the orbit can simulate fractures on imaging or can dislodge during surgery causing injury to the surrounding structures. Herein, we report a case of wormian bones of the …
Anatomical Study Of The Lingual Nerve And Inferior Alveolar Nerve In The Pterygomandibular Space: Complications Of The Inferior Alveolar Nerve Block., Joe Iwanaga, Paul J Choi, Marc Vetter, Mayank Patel, Shogo Kikuta, Rod J Oskouian, R Shane Tubbs
Anatomical Study Of The Lingual Nerve And Inferior Alveolar Nerve In The Pterygomandibular Space: Complications Of The Inferior Alveolar Nerve Block., Joe Iwanaga, Paul J Choi, Marc Vetter, Mayank Patel, Shogo Kikuta, Rod J Oskouian, R Shane Tubbs
Articles, Abstracts, and Reports
The inferior alveolar nerve block (IANB) procedure delivers anesthetics to the pterygomandibular space through which the lingual nerve (LN) and inferior alveolar nerve (IAN) travel. Injury to the LN has been reported more often than injury to the IAN. However, the number of anatomical studies of LN injury is limited. We aimed to establish evidence by investigating LN and IAN anatomy at the level of the mandibular foramen (MF). Forty-four sides from 22 Caucasian cadaveric heads (16 fresh-frozen and six formalin-fixed cadavers) were used in this study. The LN and IAN were laterally dissected, and the diameter and the distance …
A Cadaveric Case Of A Circular Torcular Herophili., Sasha Lake, Juan J Altafulla, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
A Cadaveric Case Of A Circular Torcular Herophili., Sasha Lake, Juan J Altafulla, Joe Iwanaga, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
The torcular Herophili is formed by the joining of the straight sinus, superior sagittal sinus, and transverse sinus. The anatomic configuration of the torcular Herophili is highly variable. In the current literature, classification systems define up to nine subtypes of the torcular Herophili. The frequency of prevalence of these anatomical variants is also variable. Herein is a case report of a circularly-shaped torcular Herophili found during cadaveric dissection.
Tendinous Inscriptions Of The Rectus Abdominis: A Comprehensive Review., Rabjot Rai, Lilian C Azih, Joe Iwanaga, Marios Loukas, Martin Mortazavi, Rod J Oskouian, R Shane Tubbs
Tendinous Inscriptions Of The Rectus Abdominis: A Comprehensive Review., Rabjot Rai, Lilian C Azih, Joe Iwanaga, Marios Loukas, Martin Mortazavi, Rod J Oskouian, R Shane Tubbs
Articles, Abstracts, and Reports
The rectus abdominis muscles are interrupted by tendinous inscriptions, which typically appear as fibrous bands crossing the muscle. The current literature on tendinous inscriptions is scarce; hence, this review will provide a detailed overview of their anatomical description, including their variation, embryology, comparative anatomy, and clinical application. Understanding the anatomy and function of the tendinous inscription assists in providing clinical relevance and in guiding reconstructive surgeons in their surgical planning and design.
Modeling The Dynamics Of Human Liver Failure Post Liver Resection, Babita Verma, Pushpavanam Subramaniam, Rajanikanth Vadigepalli
Modeling The Dynamics Of Human Liver Failure Post Liver Resection, Babita Verma, Pushpavanam Subramaniam, Rajanikanth Vadigepalli
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Liver resection is an important clinical intervention to treat liver disease. Following liver resection, patients exhibit a wide range of outcomes including normal recovery, suppressed recovery, or liver failure, depending on the regenerative capacity of the remnant liver. The objective of this work is to study the distinct patient outcomes post hepatectomy and determine the processes that are accountable for liver failure. Our model based approach shows that cell death is one of the important processes but not the sole controlling process responsible for liver failure. Additionally, our simulations showed wide variation in the timescale of liver failure that is …
Endorepellin Remodels The Endothelial Transcriptome Toward A Pro-Autophagic And Pro-Mitophagic Gene Signature., Thomas Neill, Eva Andreuzzi, Zi-Xuan Wang, Stephen C. Peiper, Maurizo Mongiat, Renato V. Iozzo
Endorepellin Remodels The Endothelial Transcriptome Toward A Pro-Autophagic And Pro-Mitophagic Gene Signature., Thomas Neill, Eva Andreuzzi, Zi-Xuan Wang, Stephen C. Peiper, Maurizo Mongiat, Renato V. Iozzo
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Regulation of autophagy by proteolytically cleaved fragments of heparan sulfate proteoglycans is a novel and current research focus in tumor biology. Endorepellin is the C-terminal angiostatic fragment of the heparan sulfate proteoglycan perlecan and induces autophagy in endothelial cells. To further investigate this property, we used NanoString, a digital PCR platform for measuring pre-defined transcripts in biological samples to analyze a custom subset of 95 autophagy-related genes in human umbilical vein endothelial cells treated with ultrapure human recombinant endorepellin. We discovered an endorepellin-evoked pro-autophagic and pro-mitophagic gene expression signatures, which included two coordinately up-regulated mitochondrial-associated genes encoding the E3 ubiquitin …
Clear Cell Carcinoma Of The Pelvic Side Wall Arising From Endometriosis., Lisa N Abaid, John S Cupp, Miles Chang, Steven R Beanes, Bram H Goldstein
Clear Cell Carcinoma Of The Pelvic Side Wall Arising From Endometriosis., Lisa N Abaid, John S Cupp, Miles Chang, Steven R Beanes, Bram H Goldstein
Articles, Abstracts, and Reports
Endometriosis is a condition wherein an ectopic layer of endometrial tissue arises in an extra-uterine location, often effecting significant pelvic pain and infertility. While very uncommon, there have been reported cases of endometriosis undergoing malignant transformation, frequently involving the ovaries and seldom in extra-gonadal regions. We recount a case depicting a 63 year-old woman who presented with an apparent inguinal hernia in 2017; she was ultimately diagnosed with a pelvic side wall clear cell carcinoma and attendant metastatic disease to the medial groin, which emanated from endometriosis. Malignant transformation of endometriosis identified in the pelvic side wall is a very …
Review Of Karyotypic Data From Low Grade Glial Brain Tumors, Specifically Pilocytic Astrocytomas, And Correlation Of Genetic Aberrations With Tumor Recurrence., Linda D. Cooley, Scott C. Smith, Lisa Warren, Melissa Gener, Kevin Ginn, John Herriges
Review Of Karyotypic Data From Low Grade Glial Brain Tumors, Specifically Pilocytic Astrocytomas, And Correlation Of Genetic Aberrations With Tumor Recurrence., Linda D. Cooley, Scott C. Smith, Lisa Warren, Melissa Gener, Kevin Ginn, John Herriges
Posters
Abstract: Brain tumors are the most common solid tumor of childhood. Approximately 50% of pediatric CNS tumors are low grade gliomas (WHO grade I or II) and Pilocytic astrocytoma (PA) is the most common accounting for 33% of all gliomas in children 0-14 years and ~18% of all childhood brain tumors. Prognosis with this slow-growing tumor is excellent; 10 year overall survival of ~95%. However, event free survival averages ~50%. Patient age and extent of tumor resection are key prognostic factors; tumor location and size impact resection and outcome. Histopathological features indicate PA is a benign tumor and rarely are …
Low Grade Mullerian Adenosarcoma Of Pouch Of Douglas Recurring As Bilateral Ovarian High Grade Mullerian Adenosarcoma With Rhabdomyosarcomatous Overgrowth After 11 Years, Sandeep Kumar, Muhammad Raza, Muhammad Usman Tariq
Low Grade Mullerian Adenosarcoma Of Pouch Of Douglas Recurring As Bilateral Ovarian High Grade Mullerian Adenosarcoma With Rhabdomyosarcomatous Overgrowth After 11 Years, Sandeep Kumar, Muhammad Raza, Muhammad Usman Tariq
Department of Pathology and Laboratory Medicine
Mullerian adenosarcoma (MA) of ovary with sarcomatous (rhabdomyoblastic) overgrowth is an extremely rare malignant type of female genital tract neoplasm. These tumours are highly aggressive and presence of heterologous elements is associated with worse prognosis. A 44 year old female presented with lower abdominal pain and distension. She had history of removal of tumour from pouch of Douglas in 2006 for which she did not receive any additional treatment nor did she keep continuous follow up. Current preoperative radiological examination revealed bilateral ovarian masses. She underwent abdominal hysterectomy with bilateral oophorectomy. Microscopic examination revealed biphasic tumours exhibiting sarcomatous overgrowth with …
The Tentorium Cerebelli: A Comprehensive Review Including Its Anatomy, Embryology, And Surgical Techniques., Rabjot Rai, Joe Iwanaga, Gaffar Shokouhi, Rod J Oskouian, R Shane Tubbs
The Tentorium Cerebelli: A Comprehensive Review Including Its Anatomy, Embryology, And Surgical Techniques., Rabjot Rai, Joe Iwanaga, Gaffar Shokouhi, Rod J Oskouian, R Shane Tubbs
Articles, Abstracts, and Reports
The tentorium cerebelli functions as a partition, dispelling the burden of weight from supratentorial structures upon inferior brain matter. Clinicians and neurosurgeons, when assessing pathological findings, should have knowledge regarding the tentorium cerebelli anatomy. This work of literature is a comprehensive review of the tentorium cerebelli, including its anatomy, embryology, and clinical and surgical implications. The evolutionary pattern demonstrates sequential stages to higher mammalian lineage. An understanding of the complexity of the neurovascular structures and the anatomy of the tentorium cerebelli is crucial for surgical procedures by neurosurgeons.
The Incisive Canal: A Comprehensive Review., Sasha Lake, Joe Iwanaga, Shogo Kikuta, Rod J Oskouian, Marios Loukas, R Shane Tubbs
The Incisive Canal: A Comprehensive Review., Sasha Lake, Joe Iwanaga, Shogo Kikuta, Rod J Oskouian, Marios Loukas, R Shane Tubbs
Articles, Abstracts, and Reports
The incisive canal, also known as the nasopalatine canal, is an interosseous conduit through the anterior maxilla connecting the oral and nasal cavities. Within this canal lies the nasopalatine nerve and the vascular anastomosis between the greater palatine and sphenopalatine arteries. The embryology of the canal has led to interesting theories explaining its function. Efforts have been made to describe the morphometrics of the incisive canal by radiologic evaluation across sex and ethnicities. This paper aims to review the current literature on the embryology, anatomy, and clinical relevance of the incisive canal.
Her2 Basolateral Versus Circumferential Ihc Expression Is Dependent On Polarity And Differentiation Of Epithelial Cells In Gastric/Ge Adenocarcinoma, Shahid Pervez, Sidra Arshad, Brooj Abro
Her2 Basolateral Versus Circumferential Ihc Expression Is Dependent On Polarity And Differentiation Of Epithelial Cells In Gastric/Ge Adenocarcinoma, Shahid Pervez, Sidra Arshad, Brooj Abro
Department of Pathology and Laboratory Medicine
Aim: Antigenic expression in epithelial cells can be heterogeneous which may pose a problem in immunohistochemical (IHC) analysis of tumor markers, in particular, predictive markers like HER2. Studies have shown that epithelial cells have distinct apical and basolateral domains which are separated by tight junctions. The cell membrane in these two domains has a different composition of macromolecules and hence can have variable antigen expression on immunohistochemistry. In our study, we aimed to investigate this phenomenon of basolateral versus circumferential IHC staining of HER2 in gastric/GE adenocarcinoma.
Methods: We selected 45 cases of gastric/GE adenocarcinoma and evaluated equal number of …
Different Behavioral Experiences Produce Distinctive Parallel Changes In, And Correlate With, Frontal Cortex And Hippocampal Global Post-Translational Histone Levels., Marissa Sobolewski, Garima Singh, Jay S. Schneider, Deborah A. Cory-Slechta
Different Behavioral Experiences Produce Distinctive Parallel Changes In, And Correlate With, Frontal Cortex And Hippocampal Global Post-Translational Histone Levels., Marissa Sobolewski, Garima Singh, Jay S. Schneider, Deborah A. Cory-Slechta
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
While it is clear that behavioral experience modulates epigenetic profiles, it is less evident how the nature of that experience influences outcomes and whether epigenetic/genetic "biomarkers" could be extracted to classify different types of behavioral experience. To begin to address this question, male and female mice were subjected to either a Fixed Interval (FI) schedule of food reward, or a single episode of forced swim followed by restraint stress, or no explicit behavioral experience after which global expression levels of two activating (H3K9ac and H3K4me3) and two repressive (H3K9me2 and H3k27me3) post-translational histone modifications (PTHMs), were measured in hippocampus (HIPP) …
Coronary Slow-Flow Phenomenon As An Underrecognized And Treatable Source Of Chest Pain: Case Series And Literature Review., Chikezie Alvarez, Henry Siu, Md
Coronary Slow-Flow Phenomenon As An Underrecognized And Treatable Source Of Chest Pain: Case Series And Literature Review., Chikezie Alvarez, Henry Siu, Md
Department of Medicine Faculty Papers
Background. Coronary slow-flow phenomenon (CSFP) is characterized by delayed distal vessel opacification of contrast, in the absence of significant epicardial coronary stenosis. CSFP has been reported as a cause of chest pain and abnormal noninvasive ischemic tests and is often underrecognized. Material and Methods. Charts and angiographic records from our institution were reviewed to identify 15 consecutive patients who were diagnosed with CSFP from January 2016 to January 2017. Results. Of the 15 patients (4 females and 11 males) studied, the mean age was 59.1 years (range = 45-86 years); all had left ventricular ejection fraction >45% …
Endomembrane-Associated Pre-Embedding Immunogold Labeling, Zuzana Nichtova, Celia Fernandez-Sanz, A. Bartok, Sergio De La Fuente, György Hajnóczky, Shey-Shing Sheu, György Csordás
Endomembrane-Associated Pre-Embedding Immunogold Labeling, Zuzana Nichtova, Celia Fernandez-Sanz, A. Bartok, Sergio De La Fuente, György Hajnóczky, Shey-Shing Sheu, György Csordás
Department of Pathology, Anatomy, and Cell Biology Posters
Aim
To optimize the pre-embedding IG in stable cell lines and primary adult cardiomyocytes to get the most effective visualization of endomembrane/associated proteins: endo/sarcoplasmic reticulum Ca2+ release channels IP3 receptors and ryanodine receptors (IP3R, and RyR2) and the mitochondrial fission protein Drp1.
Clinicopathologic Features And Prognostic Grouping Of Gastrointestinal Stromal Tumors (Gists) In Pakistani Patients: An Institutional Perspective, Atif Ali Hashmi, Mahrukh Faraz, Zareeha Nauman, Mohammad Usman Qureshi, Shumaila Kanwal Hashmi, Hira Fatima Waseem, Muhammad Muzzammil Edh, Naveen Faridi, Amir Khan
Clinicopathologic Features And Prognostic Grouping Of Gastrointestinal Stromal Tumors (Gists) In Pakistani Patients: An Institutional Perspective, Atif Ali Hashmi, Mahrukh Faraz, Zareeha Nauman, Mohammad Usman Qureshi, Shumaila Kanwal Hashmi, Hira Fatima Waseem, Muhammad Muzzammil Edh, Naveen Faridi, Amir Khan
Department of Pathology and Laboratory Medicine
Objectives: Gastrointestinal stromal tumors (GISTs) are rare tumors of gastrointestinal tract, prognosis of which largely depends upon histopathologic characteristics of resection specimens, which were not widely studied in our population. Therefore we aimed to evaluate the histopathologic characteristics of GISTs in our population and their prognostic grouping according to college of American pathologist’s guidelines.
Results: Mean age of patients was 53.4 years (18–71 years). 92% of cases were of primary GISTs and stomach was the most common site (57.7%). 75% of cases were of spindle cell morphology and 53.8% belonged to high risk prognostic group. Comparison of stomach and intestinal …
Evidence Of Chikungunya Virus Disease In Pakistan Since 2015 With Patients Demonstrating Involvement Of The Central Nervous System, Kelli L. Barr, Erum Khan, Joveria Farooqi, Kehkashan Imtiaz, Dhani Prakoso, Faisal Malik, John A. Lednicky, Maureen T. Long
Evidence Of Chikungunya Virus Disease In Pakistan Since 2015 With Patients Demonstrating Involvement Of The Central Nervous System, Kelli L. Barr, Erum Khan, Joveria Farooqi, Kehkashan Imtiaz, Dhani Prakoso, Faisal Malik, John A. Lednicky, Maureen T. Long
Department of Pathology and Laboratory Medicine
Several arboviruses are endemic to and co-circulate in Pakistan. In recent years, Pakistan has observed a rise in arboviral infections. A cross-sectional study for arboviral diseases, which included screening for Chikungunya virus (CHIKV), was initiated in 2015 to determine which pathogens were causing disease in patients presenting to health care services. Exposure to CHIKV was verified via detection of viral nucleic acids or virus-specific IgM with virus-specific neutralizing antibodies. Out of 997 enrolled patients presenting with clinical features suggestive of arboviral disease, 102 patients were positive for CHIKV IgM antibodies and 60 patients were positive for CHIKV nucleic acids or …
Automated Real-Time Collection Of Pathogen-Specific Diagnostic Data: Syndromic Infectious Disease Epidemiology, Lindsay Meyers, Christine C. Ginocchio, Aimie N. Faucett, Frederick S. Nolte, Per H. Gesteland, Amy Leber, Diane Janowiak, Virginia Donovan, Jennifer Dien Bard, Silvia Spitzer, Kathleen A. Stellrecht, Hossein Salimnia, Rangaraj Selvarangan, Stefan Juretschko, Judy A. Daly, Jeremy C. Wallentine, Kristy Lindsey, Franklin Moore, Sharon L. Reed, Maria Aguero-Rosenfeld, Paul D. Fey, Gregory A. Storch, Steve J. Melnick, Christine C. Robinson, Jennifer F. Meredith, Camille V. Cook, Robert K. Nelson, Jay D. Jones, Samuel V. Scarpino, Benjamin M. Althouse, Kirk M. Ririe, Bradley A. Malin, Mark A. Poritz
Automated Real-Time Collection Of Pathogen-Specific Diagnostic Data: Syndromic Infectious Disease Epidemiology, Lindsay Meyers, Christine C. Ginocchio, Aimie N. Faucett, Frederick S. Nolte, Per H. Gesteland, Amy Leber, Diane Janowiak, Virginia Donovan, Jennifer Dien Bard, Silvia Spitzer, Kathleen A. Stellrecht, Hossein Salimnia, Rangaraj Selvarangan, Stefan Juretschko, Judy A. Daly, Jeremy C. Wallentine, Kristy Lindsey, Franklin Moore, Sharon L. Reed, Maria Aguero-Rosenfeld, Paul D. Fey, Gregory A. Storch, Steve J. Melnick, Christine C. Robinson, Jennifer F. Meredith, Camille V. Cook, Robert K. Nelson, Jay D. Jones, Samuel V. Scarpino, Benjamin M. Althouse, Kirk M. Ririe, Bradley A. Malin, Mark A. Poritz
Manuscripts, Articles, Book Chapters and Other Papers
© Lindsay Meyers, Christine C Ginocchio, Aimie N Faucett, Frederick S Nolte, Per H Gesteland, Amy Leber, Diane Janowiak,.
Background: Health care and public health professionals rely on accurate, real-time monitoring of infectious diseases for outbreak preparedness and response. Early detection of outbreaks is improved by systems that are comprehensive and specific with respect to the pathogen but are rapid in reporting the data. It has proven difficult to implement these requirements on a large scale while maintaining patient privacy.
Objective: The aim of this study was to demonstrate the automated export, aggregation, and analysis of infectious disease diagnostic test …