Medicine and Health Sciences Commons^™

Effectiveness Of The Novel Ventilation System In The Ambulance For Airborne Particle Reduction, Dhanadol Rojanasarntikul

Chulalongkorn Medical Journal

Background: During the Coronavirus disease (COVID-19) pandemic, emergency medical service (EMS) workers areexposed to infectious particles in closed spaces such as in the ambulance. Few studies have demonstrated the effectiveness of ambulance ventilation system in reducing airborne particles.

Objective: To assess the effectiveness of an ambulance ventilation system in reducing the volume density of airborne particles and return-to-background time.

Methods: Aerosol particles of various sizes were administered into the cabin via nebulization for one minute. The aerosol volume concentrations of particles at 0.5-1; 1-2.5; and 2.5-5 microns were measured with three different ventilation rates (switched off, medium and maximum) …

A Case Report : Rosai-Dorfman Disease Of The Breast, Jenjeera Prueksadee

Chulalongkorn Medical Journal

Abstract

A case report of Rosai-Dorfman disease (sinus histiocytosis with massive lymphadenopathy) of the breast is one of the rare diseases, characterized by benign proliferative disorder of histiocyte. Most occur within lymph nodes whereas the rest involve extranodal sites. Breast involvement is considered extremely rare but considerable because of radiological findings simulating breast cancer. We report the case of a 59-year-old Thai woman who underwent screening mammography. Her biopsy resulted in abnormal histiocytes with S-100 protein expression, some of them with emperipolesis (lymphophagocytosis). Recognition of Rosai-Dorfman disease leads to correct diagnosis and further appropriate proper treatment strategy.

Primary Lung And Pleural Malignancies In Children: Imaging Of A Case Series, Teerasak Phewplung, Tanitha Phruksahirun

Chulalongkorn Medical Journal

Early diagnosis of primary lung and pleural malignancies is a challenge because it is extremely rare in children. The patient often presents with metastatic disease and non-neoplastic lesions. Clinical detection and imaging studies are nonspecific findings and may be indistinguishable from other lung malformations, resulting in a delay in diagnosis and treatment and an increase in tumor morbidity and mortality.

We present four cases of children whose clinical presentation and initial imaging had suspicious abnormalities and were eventually revealed to be primary lung and pleural malignancies. The literature on primary lung and pleural malignancies is also reviewed.

Pediatric Appendicitis Or Not? A Retrospective Cohort Study From A Single Institution - Our Management And Factors Determining The Disease, Nimmita Srisan, Teerasak Phewplung, Katawaetee Decharun, Prapapan Rajatapiti, Paisarn Vejchapipat

Chulalongkorn Medical Journal

Purpose: The aims were to assess our treatment guidelines and to determine factors in differentiating children with acute appendicitis from other diseases.

Methods: Pediatric surgery consultations for suspected appendicitis from October 2019 to October 2021 was retrospectively studied. The treatment guidelines of children with suspected appendicitis were elucidated. Moreover, factors identifying the diagnosis of appendicitis were analyzed using multi-variate logistic regression.

Results: Ninety-one children were consulted for suspected appendicitis. Forty-one children (45.1%) were promptly successfully treated without observation or ultrasonography, except one negative appendectomy (2.4%). The other 50 children (54.9%), showed equivocal clinical symptoms and signs, requiring further management either …

Analysis Of Breast Mri Performed On Patients With Axillary Nodal Metastasis And Negative Mammogram And Ultrasound, Pakpawee Pichayakul, Palita Hansakul

Chulalongkorn Medical Journal

Background: Occult breast cancer is a rare type of breast cancer which magnetic resonance imaging (MRI) has an immense role to confirm diagnosis and disclose non-demonstrable finding on initial modality.

Objective: To analysis breast MRI findings in patients with axillary nodal metastasis and negative mammogram and ultrasound, and retrospective review of the initial mammography and second-look ultrasound.

Methods: From January 2010 to January 2023, women who diagnosed occult breast cancer by presenting metastatic axillary lymph node on pathological report with negative mammography and ultrasonography, underwent breast MRI to identify occult breast carcinoma. Their breast MRI were retrospectively reviewed …