Gastrointestinal stromal tumor (GIST) is a submucosal tumor which is most commonly found in the stomach and less commonly in small bowel. Small bowel GIST can be difficult to diagnose by conventional imaging and endoscopy techniques. We report a case of obscure GI bleeding due to a stromal tumor (GIST) of the jejunum diagnosed by video capsule endoscopy.
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Objectives: Endoscopic full-thickness resection for gastric submucosal tumors is gradually gaining popularity, and secure and amenable closure is key to its success. This study aimed to compare the reopenable clip over-the-line method with the purse-string method for defect closure after endoscopic full-thickness resection for gastric submucosal tumors.
Methods: This historical control trial included 37 consecutive patients with 37 gastric submucosal tumors, who underwent endoscopic full-thickness resection between January 2021 and July 2024.
Cureus
December 2024
Internal Medicine/Pulmonary Critical Care, BronxCare Health System/Icahn School of Medicine at Mount Sinai, New York City, USA.
Ovarian sex cord-stromal tumors (SCST) are a rare subset of ovarian neoplasms originating from supportive tissues surrounding oocytes. Despite their rarity, prompt diagnosis and management are crucial due to their potential for diverse clinical presentations and the need to optimize patient outcomes. A 25-year-old female patient was initially diagnosed with pyelonephritis but later discovered to have a large right adnexal mass suspected to be a tubo-ovarian abscess.
View Article and Find Full Text PDFNature
January 2025
German Centre for Cardiovascular Research (DZHK), Partner Site Lower Saxony, Göttingen, Germany.
Cardiomyocytes can be implanted to remuscularize the failing heart. Challenges include sufficient cardiomyocyte retention for a sustainable therapeutic impact without intolerable side effects, such as arrhythmia and tumour growth. We investigated the hypothesis that epicardial engineered heart muscle (EHM) allografts from induced pluripotent stem cell-derived cardiomyocytes and stromal cells structurally and functionally remuscularize the chronically failing heart without limiting side effects in rhesus macaques.
View Article and Find Full Text PDFInt Immunopharmacol
January 2025
Department of Tumor Hematology, The Second Hospital of Jilin University, No.4026, Yatai Street, Nanguan District, Changchun 130000, China. Electronic address:
Objective: To investigate the role of long non-coding RNAs (lncRNAs) in the metabolic reprogramming of gastric cancer through their regulation of mesenchymal stem cells (MSCs) and HERPUD1 protein targets, aiming to elucidate mechanisms that could lead to novel therapeutic strategies.
Method: The RNA-seq was performed on BGC and hMSC-BGC cells to perform LncRNA screening. And we employed cell culture techniques using hMSC-BM and BGC823 cells, treated with various genetic interventions including siRNA and overexpression vectors.
Pathol Res Pract
January 2025
Department of Pathology, West China Hospital of Sichuan University, Chengdu 610041, China.
Anti-vascular endothelial growth factor-associated thrombotic microangiopathy (aVEGF-TMA) was recently discovered in patients with malignant tumors. Four aVEGF-TMA patients diagnosed by renal biopsy between 2018 and 2022 were identified, and all were females aged 30-62 years (mean age, 47 years). Two patients with malignant gastrointestinal stromal tumors who received sunitinib were analyzed.
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