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Articles 1 - 7 of 7
Full-Text Articles in Microbiology
Chronic Gastritis And Helicobacter Pylori: A Histopathological Study Of Gastric Mucosal Biopsies, Mohammad Yawar Yakoob, Akbar Shah Hussainy
Chronic Gastritis And Helicobacter Pylori: A Histopathological Study Of Gastric Mucosal Biopsies, Mohammad Yawar Yakoob, Akbar Shah Hussainy
Department of Pathology and Laboratory Medicine
The aim of this study was to observe the histological features of chronic gastritis and associated effects due to Helicobacter pylori infection in 176 randomly selected antral biopsy specimens of chronic gastritis cases. The specimens were reviewed for the presence or absence of H.pylori. The activity (neutrophilic infiltration) of gastritis and the presence or absence of mucosa-associated lymphoid tissue (MALT) were also noted. Chi-square test (Pearson value) was used to analyze categorical variables. H.pylori was detected in 110 (62.5%) cases of chronic gastritis. There was a significant association between H.pylori infection and activity of chronic gastritis (p=0.002). Lymphoid aggregates were …
Neonatal Mortality And Prevalence Of Practices For Newborn Care In A Squatter Settlement Of Karachi, Pakistan: A Cross-Sectional Study., Afsheen Ayaz, Sarah Saleem
Neonatal Mortality And Prevalence Of Practices For Newborn Care In A Squatter Settlement Of Karachi, Pakistan: A Cross-Sectional Study., Afsheen Ayaz, Sarah Saleem
Department of Pathology and Laboratory Medicine
Background: During the past two decades there has been a sustained decline in child and infant mortality, however neonatal mortality has remained relatively unchanged. Almost all neonatal deaths (99%) occur in developing countries, where the majority are delivered at homes. Evidence suggests that these deaths could be prevented by simple, inexpensive practices and interventions during the pregnancy, delivery and postnatal period. In Pakistan over the last decade extensive efforts have been made by the international donors and government to implement these practices. However, limited attempts have been made to explore if these efforts have made a difference at the grass …
Benign Metastasizing Leiomyoma, Saira Fatima, Zubair Ahmad, Mohammad Azam
Benign Metastasizing Leiomyoma, Saira Fatima, Zubair Ahmad, Mohammad Azam
Department of Pathology and Laboratory Medicine
Benign metastasizing leiomyoma (BML) is a rare condition, affecting predominantly reproductive-age females with uterine leiomyomata and is most often associated with multiple benign-appearing smooth muscle tumors in lungs. We report herein a case of a 38-year-old woman who presented with multiple uterine fibroids for which hysterectomy was carried out on her. Postoperatively, she developed left-sided pleural effusion. Computed chest tomography (CT) scan revealed multiple nodules in both lungs and pleurae. Histopathology of one of the pleura-based nodules revealed a neoplasm composed of interlacing fascicles of spindle cells with uniform nuclei. The tumor cells were positive for alpha-smooth muscle actin and …
Demographic And Clinical Features Of Dengue Fever In Pakistan From 2003-2007: A Retrospective Cross-Sectional Study., Erum Khan, Mehreen Kisat, Nabil Khan, Amna Nasir, Salma Ayub, Rumina Hasan
Demographic And Clinical Features Of Dengue Fever In Pakistan From 2003-2007: A Retrospective Cross-Sectional Study., Erum Khan, Mehreen Kisat, Nabil Khan, Amna Nasir, Salma Ayub, Rumina Hasan
Department of Pathology and Laboratory Medicine
Background: Demographic features of dengue fever have changed tremendously in Pakistan over the past two decades. Small scale studies from all over the country have reported different aspects of individual outbreaks during this time. However, there is scarcity of data looking at the overall trend of dengue virus infection in the country. In this study, we examined annual trends, seasonality, and clinical features of dengue fever in the Pakistani population.
Methods: Demographic information and dengue IgM status of all patients tested for dengue IgM antibody at Aga Khan University Hospital from January 2003 to December 2007 were analyzed to look …
Nipple Adenoma Of Breast: A Masquerader Of Malignancy, Kanwal Aftab, Romana Idress
Nipple Adenoma Of Breast: A Masquerader Of Malignancy, Kanwal Aftab, Romana Idress
Department of Pathology and Laboratory Medicine
Nipple adenoma is a benign condition simulating malignancy such as breast carcinoma and/or Paget’s disease clinically. In this study 19 cases diagnosed as nipple adenoma over a period of 14 years are described. The diagnosis was confirmed by histology alone. All patients were females with age ranging from 23 to 63 years. Most of the cases presented clinically with in duration and ulceration accompanied by pain and itching. The diagnosis was clinically suspected in only 3 cases. This highlights the importance of histological diagnosis in all suspicious breast lesions. In one case, the clinical and histological diagnosis was incorrect leading …
Increase In Isolation Of Extended Spectrum Beta Lactamase Producing Multidrug Resistant Non Typhoidal Salmonellae In Pakistan., Kauser Jabeen, Afia Zafar, Seema Irfan, Erum Khan, Vikram Mehraj, Rumina Hasan
Increase In Isolation Of Extended Spectrum Beta Lactamase Producing Multidrug Resistant Non Typhoidal Salmonellae In Pakistan., Kauser Jabeen, Afia Zafar, Seema Irfan, Erum Khan, Vikram Mehraj, Rumina Hasan
Department of Pathology and Laboratory Medicine
Background:Increasing resistance to quinolones and ceftriaxone in non typhoidal Salmonellae is a global concern. Resistance to quinolone and 3rd generation cephalosporin amongst non typhoidal Salmonellae (NTS) from Pakistan has been reported in this study.
Methods:
Retrospective analysis of laboratory data was conducted (1990-2006). NTS were isolated and identified from clinical samples using standard microbiological techniques. Antimicrobial susceptibility testing was performed by Kirby Bauer. Extended spectrum beta lactamase production (ESBL) was detected using combined disc method. Ciprofloxacin sensitivity was detected by nalidixic acid screening method. Minimum inhibitory concentration (MIC) of ciprofloxacin was determined by agar dilution method. Statistical analysis was …
Genetic Diversity Among Plasmodium Falciparum Field Isolates In Pakistan Measured With Pcr Genotyping Of The Merozoite Surface Protein 1 And 2, Najia Ghanchi, Andreas Martensson, Johan Ursing, Sana Jafri, Sandor Bereczky, Rabia Hussain, Mohammad Asim Beg
Genetic Diversity Among Plasmodium Falciparum Field Isolates In Pakistan Measured With Pcr Genotyping Of The Merozoite Surface Protein 1 And 2, Najia Ghanchi, Andreas Martensson, Johan Ursing, Sana Jafri, Sandor Bereczky, Rabia Hussain, Mohammad Asim Beg
Department of Pathology and Laboratory Medicine
Background:The genetic diversity of Plasmodium falciparum has been extensively studied in various parts of the world. However, limited data are available from Pakistan. This study aimed to establish molecular characterization of P. falciparum field isolates in Pakistan measured with two highly polymorphic genetic markers, i.e. the merozoite surface protein 1 (msp-1) and 2 (msp-2).
Methods:Between October 2005 and October 2007, 244 blood samples from Patients with symptomatic blood-slide confirmed P. falciparum mono-infections attending the Aga Khan University Hospital, Karachi, or its collection units located in Sindh and Baluchistan provinces, Pakistan were collected. The genetic diversity of P. falciparum …