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An Unusual Diagnosis of Rectosigmoid Leiomyoma in an Adult: A Rare Case Report.
Clin Med Insights Case Rep
December 2024
Department of Gastroenterology, Faculty of Medicine, University of Balamand, Beirut, Lebanon.
Leiomyomas are uncommon tumors of the gastrointestinal system, representing around 0.03% to 0.05% of all rectal tumors.
View Article and Find Full Text PDFDifferential diagnosis of submucosal gastric tumors: gastric schwannomas misdiagnosed as GISTs.
J Surg Case Rep
December 2024
Department of Pathology, İzmir University of Economics, Fevzi Çakmak, Sakarya Cd. No. 156, 35330 Balçova/İzmir, Türkiye.
Schwannomas commonly occur in the head and neck region but are rarely seen in the gastrointestinal tract; the stomach and small intestine are the most commonly involved sites. These tumors are usually misdiagnosed as gastrointestinal stromal tumors (GISTs) before histopathological confirmation due to radiological similarity. GI schwannomas show positivity for S100 protein and vimentin but are negative for CD 117 and CD 34, which helps in differentiating the tumor from GISTs.
View Article and Find Full Text PDFChallenges in the Diagnosis and Management of Renal Cell Carcinoma With Sarcomatoid Differentiation: A Case Report.
Cureus
November 2024
Department of Internal Medicine, Merit Health Wesley, Hattiesburg, USA.
Metastatic sarcomatoid renal cell carcinoma (sRCC) is a significant therapeutic and diagnostic challenge due to its rarity and aggressiveness, which contribute to its poor prognosis. This case report presents the case of a 47-year-old Caucasian man with shortness of breath and right-sided abdominal pain. History revealed an extensive smoking history, a left renal mass diagnosed two months ago with inconclusive results, and an enlarged mass on computed tomography (CT) scan one week ago in an emergency department (ED) visit that showed signs consistent with metastatic disease.
View Article and Find Full Text PDFDescription of the larvae of Epigomphus rufus Bota-Sierra & Novelo-Gutiérrez, 2020, and E. brillantina Bota-Sierra & Novelo-Gutiérrez, 2020 (Odonata: Gomphidae).
Zootaxa
September 2024
Grupo de Entomología Universidad de Antioquia (GEUA); Universidad de Antioquia; Medellín; Antioquia; COLOMBIA.
The larvae of Epigomphus rufus Bota-Sierra & Novelo-Gutiérrez, 2020, and E. brillantina Bota-Sierra & Novelo-Gutiérrez, 2020 (by supposition) are described, figured and compared with other described larvae of the genus. The larva of E.
View Article and Find Full Text PDFThe rediscovery of Epigomphus sulcatistyla Donnelly, 1989, with a description of its larva and female (Odonata: Gomphidae).
Zootaxa
April 2024
Instituto de Ecología; A.C. Red de Biodiversidad y Sistemática. Carretera antigua a Coatepec 351; El Haya 91073 Xalapa; Veracruz; MEXICO.
The larva of Epigomphus sulcatistyla Donnelly, 1989 is described, figured and compared with other described Mexican larvae. It is characterized by 3rd antennomere spindle-shaped, almost twice longer than its widest part; ligula with a ventral row of eight short, truncate teeth on middle; abdomen lateral spines on S7-9 slightly divergent; male epiproct dorsal tubercles rounded apically and divergent distally. It differs from other Mexican species mainly in shape of 3rd antennomere, number of teeth on ligula, serrations on lateral margins of S8-9, and shape of cerci.
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