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Rectal angiolipoma diagnosed after surgical resection: A case report

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World Journal of Gastroenterology 2007年第3期13卷 467-469页

作者： Mitsuru Ishizuka Hitoshi Nagata Kazutoshi Takagi Toru Horie Akihito Abe Keiichi Kubota Department of Gastroenterological Surgery Dokkyo University School of Medicine Tochigi Japan

angiolipoma is a common benign tumor with a char- acteristic vascular component that usually occurs in subcutaneous tissue. Although lipomas are frequently encountered at colonoscopy as submucosal tumors, an- giolipomas are rarely found in the gastrointestinal tract including the large intestine. Here we report a 77-year old Japanese man who underwent transanal resection of a tumor that was diagnosed tentatively as a leiomyoma. Histologically, the tumor consisted of mature fat cells and blood vessels. Immunohistochemically, the tumor cells were negative for c-kit and HMB-45, which are consis- tently expressed in tumors such as gastrointestinal stro- mal tumor and angiomyolipoma. The tumor was there- fore diagnosed as an angiolipoma. This is thought to be the first case report of a surgically resected angiolipoma of the rectum.

关键词： angiolipoma Angiomyolipoma Gastrointestinal stromal tumor

Infiltrating angiolipoma of the thoracic wall: A case report

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Open Journal of Clinical Diagnostics 2013年第2期3卷 19-22页

作者： Ayako Hamano Kazuhiro Suzuki Tsuyoshi Saito Ryohei Kuwatsuru Shiaki Oh Kenji Suzuki Department of General Thoracic Surgery Faculty of Medicine Juntendo University Tokyo Japan Department of Human Pathology Faculty of Medicine Juntendo University Tokyo Japan Department of Radiology Faculty of Medicine Juntendo University Tokyo Japan

We describe a case of infiltrating angiolipoma of the thoracic wall, which is an extremely unusual site for this tumor. Infiltrative angiolipoma is a rare benign soft tissue tumor that commonly affects the extremities and the trunk. This is the first report of infiltrative angiolipoma that affects this site. Magnetic resonance imaging (MRI) revealed a high intensity signal on T2-weighted images and contrast enhanced images showed moderate enhancement effect that mimicked tumors of neurogenic or vascular origin. angiolipoma should be included in a differential diagnosis of the thoracic wall tumor with T2 high intensity signal and contrast enhancement that is not typical shape and signal for neurogenic tumor or hemangioma.

关键词： Infiltrating angiolipoma Chest Wall Tumor Computed Tomography Magnetic Resonance Imaging

Thoracic epidural angiolipoma: A case report and review of the literature

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World Journal of Radiology 2013年第4期5卷 187-192页

作者： Jun Meng Yong Du Han-Feng Yang Fu-Bi Hu Ya-Yong Huang Bing Li Chi-Shing Zee Department of Radiology Affiliated Hospital of North Sichuan Medical College Department of Radiology University of Southern California Keck School of Medicine

angiolipoma of the spine is a benign neoplasm consisting of both mature fatty tissue and abnormal vascular elements, and usually presents with a slow progressive clinical course. Our patient presented with bilateral lower extremity weakness and chest-back numbness. Physical examination revealed adipose elements superficial hypesthesia below the T5 level and analgesia below the T6 level. Magnetic resonance imaging (MRI) scan showed an avidly and heterogeneously enhancing mass which was located in the posterior epidural space. Compression of the thoracic cord by the fusiform mass was seen between T3-T4. During the operation, a flesh pink vascular mass (4.7 cm × 1.0 cm × 1.0 cm) with obscure margin and strong but pliable texture was found in the posterior epidural space extending from T3 to T4. There was no infiltration of the dura or the adjacent bony spine. Histopathological study of the surgical specimen showed a typical angiolipoma. We review the previously documented cases of spinal extradural angiolipomas performed with MRI.

关键词： angiolipoma Spinal epidural tumor Spinal cord compression Histopathology

Multiple gastric angiolipomas: A case report

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World Journal of Clinical Cases 2019年第6期7卷 778-784页

作者： Xin-He Lou Wen-Guo Chen Long-Gui Ning Hong-Tan Chen Guo-Qiang Xu Department of Gastroenterology The First Affiliated HospitalCollege of MedicineZhejiang University

BACKGROUND angiolipoma is a benign tumor and is generally found in subcutaneous *** are rare in the gastrointestinal tract,including the *** diagnosis of the tumor is difficult,although there are several radiological examinations such as computed tomography and endoscopic *** SUMMARY We report a 24-year-old Chinese man with multiple gastric angiolipomas,with a positive stool occult blood examination. Endoscopic biopsy only showed nonspecific inflammation. Histological examination of the specimen by endoscopic snare resection showed that the tumor consisted of adipose tissues and blood vessels. We also performed a literature review. After the use of proton pump inhibitor,the fecal occult blood test was negative. Due to the difficulty of resecting multiple lesions in the stomach completely and the benign characteristics of angiolipoma,we chose to have regular upper gastrointestinal endoscopy evaluation of the lesion. No evidence of significant change in lesion size was detected after 3-years *** Gastric angiolipoma is rare,and benign neoplasm should be considered when lesions occur submucosally in the gastrointestinal tract.

关键词： angiolipoma Gastric angiolipoma Endoscopic snare resection Case report