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A new report from Zhejiang University in Hangzhou, China discusses the rare occurrence of gastrointestinal stromal tumors (GISTs) originating outside of the gastrointestinal tract, known as extra GISTs. The report presents a case study of a 38-year-old man with isolated multiple giant cystic-solid liver lesions, ultimately diagnosed as liver GIST. The study aims to enhance understanding of this rare liver entity, aiding in tumor diagnosis and staging. The research has been peer-reviewed and published in the Journal of Clinical Ultrasound. [Extracted from the article]

Researchers from Zhejiang University in Hangzhou, China have conducted a study to assess the use of contrast-enhanced computed tomography (CE-CT) features in predicting the malignant potential and Ki67 expression of small intestine gastrointestinal stromal tumors (GISTs). The study analyzed data from 123 patients who underwent CE-CT followed by curative surgery. The researchers developed predictive models for malignant potential and high Ki67 expression based on tumor size, presence of necrosis, ulceration, and metastasis. The study found that CE-CT features can be used to preoperatively predict the prognosis of small intestine GISTs, and the Ki67 index may be a promising prognostic factor. [Extracted from the article]

According to the news editors, the research concluded: "Primary hepatic gastrointestinal stromal tumor should be considered among the differential diagnoses when multiple FDG-avid primary liver neoplasms are found in patients with malignant characteristic on PET/CT imaging." Keywords: Hangzhou; People's Republic of China; Asia; Digestive System Diseases and Conditions; Digestive System Neoplasms; Gastroenterology; Gastrointestinal Diseases and Conditions; Gastrointestinal Neoplasms; Gastrointestinal Stromal Tumors; Health and Medicine EN Hangzhou People's Republic of China Asia Digestive System Diseases and Conditions Digestive System Neoplasms Gastroenterology Gastrointestinal Diseases and Conditions Gastrointestinal Neoplasms Gastrointestinal Stromal Tumors Health and Medicine 692 692 1 08/14/23 20230814 NES 230814 2023 AUG 14 (NewsRx) -- By a News Reporter-Staff News Editor at Gastroenterology Week -- Data detailed on Digestive System Diseases and Conditions - Gastrointestinal Stromal Tumors have been presented. Hangzhou, People's Republic of China, Asia, Digestive System Diseases and Conditions, Digestive System Neoplasms, Gastroenterology, Gastrointestinal Diseases and Conditions, Gastrointestinal Neoplasms, Gastrointestinal Stromal Tumors, Health and Medicine. [Extracted from the article]