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Evaluating endoscopic ultrasound-guided tissue acquisition for diagnosis of small pancreatic neuroendocrine neoplasms.
Endosc Int Open
November 2024
Gastroenterology and Hepatology, Tokyo Medical and Dental University, Bunkyo-ku, Japan.
Although small hypervascular tumors are suspected to be pancreatic neuroendocrine tumors (p-NENs), their diagnosis and treatment are challenging. This study evaluated the usefulness of endoscopic ultrasound-guided tissue acquisition (EUS-TA) for diagnosis of small p-NENs. All p-NEN lesions that underwent EUS-TA at our hospital between April 2018 and December 2023 were retrospectively analyzed.
View Article and Find Full Text PDFCastleman disease mimicking accessory spleen on imaging: A case report.
Radiol Case Rep
January 2025
Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Sciences, Tehran, Iran.
Castleman disease (CD) is a nonclonal lymphoproliferative disorder that causes non-neoplastic lymph node enlargement. With an incidence of approximately 21-25 cases per million, CD presents variably, often mimicking both benign and malignant conditions across various body regions. Clinically, it ranges from asymptomatic lymph node enlargement in Unicentric Castleman's Disease (UCD) to aggressive, multicentric presentations affecting multiple organs.
View Article and Find Full Text PDFPrediction of the early hepatocellular carcinoma development in patients with chronic hepatitis B virus infection using gadoxetic acid-enhanced magnetic resonance imaging.
BMC Cancer
November 2024
Department of Radiology, The First Affiliated Hospital, Sun Yat-sen University, No.58, Zhongshan Road 2, Guangzhou, 510080, P.R. China.
Background: Non-hypervascular hypointense nodules (NHHNs) can transform into hypervascular hepatocellular carcinoma (HCC) during the long-term follow-up. However, the risk factors for NHHN hypervascular transformation in chronic hepatitis B virus (HBV)-infected populations are unknown. This study assessed the predictive value of gadoxetic acid-enhanced magnetic resonance imaging (MRI) for HCC development in patients with chronic HBV infection.
View Article and Find Full Text PDFHypovascular insulinoma with reduced microvessel density on histopathology: a case report.
Diabetol Int
October 2024
Department of Diabetes, Endocrinology and Metabolism and Department of Rheumatology and Clinical Immunology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194 Japan.
Article Synopsis
- A 41-year-old man suspected of having insulinoma underwent various imaging tests, revealing a hypovascular tumor in the pancreas, which was ultimately diagnosed as a Grade 1 PanNET following surgery and pathology.
- The tumor's low microvessel density (MVD) of 3.9% contributed to inconclusive imaging results, highlighting the need for thorough preoperative evaluations in cases of hypovascular PanNETs to ensure accurate diagnosis and treatment.
Multifocal Hemorrhagic Choriocarcinoma With Diffuse Pancreatic FDG Uptake on 18 F-FDG PET/CT.
Clin Nucl Med
February 2025
Imaging Center, The Affiliated Hospital of Jining Medical University, Jining City, Shandong Province, China.
Choriocarcinoma is a rare and highly malignant trophoblastic tumor. We present a case involving a 30-year-old woman with abdominal pain, hemoptysis, and elevated serum amylase levels. Initial clinical suspicion included acute pancreatitis.
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