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A para-aortic malignant melanotic nerve sheath tumor mimicking a gastrointestinal stromal tumor: a rare case report and review of literature.
BMC Surg
July 2022
Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan, R.O.C..
Background: Malignant melanotic nerve sheath tumor (MMNST), formerly called melanotic schwannoma, is a rare tumor of neural crest derivation which most frequently arises from the region of spinal or autonomic nerves near the midline. Recent studies have reported malignant behavior of MMNST, and there still has no standard management guidelines. Intra-abdominal MMNST, which has never been reviewed as an entity, is even rarer.
View Article and Find Full Text PDFAbdominal gastrointestinal imaging findings on computed tomography in patients with COVID-19 and correlation with clinical outcomes.
Eur J Radiol Open
January 2021
Department of Radiology, Hospital Sirio-Libanes, Sao Paulo, SP, Brazil.
Purpose: Pulmonary imaging finding of Coronavirus disease 2019 (COVID-19) has been widely described, but until now few studies have been published about abdominal radiological presentation. The aim of this study was to provide an overview of abdominal imaging findings in patients with COVID-19 in a multicenter study and correlate them with worse clinical outcomes.
Materials And Methods: This retrospective study included adult COVID-positive patients with abdominal CT performed from 4/1/2020 to 5/1/2020 from two institutions.
Voluminous abdominal gastrointestinal stromal tumor of unknown origin manifested with bleeding in a young man: synchronous management of the emergency and oncological approach-case report.
AME Case Rep
October 2020
Dipartimento di Scienze Mediche, University of Ferrara, Ferrara, Italy.
Gastrointestinal stromal tumors (GISTs) are rare tumors of the gastrointestinal tract, which cover about 1-2% of gastrointestinal neoplasms with an unadjusted incidence of around 1/100,000/year. They are also the most common non-epithelial neoplasms of the gastrointestinal tract and they are associated with a high rate of malignant transformation. They are more common in the stomach (40-60%) while a minor part repeatedly involves jejunum/ileus (25-30%), duodenum (5%), colorectal (5-15%) and esophagus (<1%).
View Article and Find Full Text PDFPatients with Abrasion or Ecchymosis Seat Belt Sign Have High Risk for Abdominal Injury, but Initial Computed Tomography is 100% Sensitive.
J Emerg Med
October 2020
Department of Emergency Medicine, University of Louisville, Louisville, Kentucky.
Background: Trauma providers seek to accurately assess the risk of patients with abdominal seat belt sign (ASBS). As hospital costs continue to rise, identification of strategies to safely discharge emergency department (ED) patients has become crucial.
Objectives: The purpose of this study is to 1) describe a large cohort of patients by type of ASBS and 2) determine the value of computed tomography (CT) of the abdomen and pelvis as a screening tool to rule out intra-abdominal injury (IAI) and support discharge of stable patients.
Background Differential choices of radiology subspecialties by radiology trainees can cause shortages in some subspecialties. The objective of the current study was to evaluate the relative preference of different radiology subspecialties and the influencing factors among radiology trainees in Saudi Arabia. Methods An online questionnaire was developed based on previous publications and was used to collect the data from radiology trainees in Saudi Arabia during August 2018.
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