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Extramedullary plasmocytoma associated with a massive deposit of amyloid in the duodenum

世界胃肠病学杂志：英文版 2009年第28期15卷 3565-3568页

作者： fabiana pirani carneiro Maria de Nazareth Machado Sobreira Lívia Bravo Maia Alesso Cervantes Sartorelli Luiz Eduardo de Almeida Prado Franceschi Mauro Brito Brando Bárbara Wosnjuk Calaca Fernando Silva Lustosa Joo Vieira Lopes Department of Pathology University Hospital of Brasília Department of Radiology University Hospital of Brasília Department of Hematology University Hospital of Brasília Department of Surgery University Hospital of Brasília

We report a rare case of extramedullary plasmocytoma associated with a massive deposit of amyloid in the duodenum.A 72-year-old Japanese man was admitted to our hospital presenting with a 3-mo history of epigastric pain, vomiting and weight *** computed tomography(CT) a wall thickening of the fourth part of the duodenum was *** biopsies obtained from the lesion showed inflltration of plasma cells and lymphocytes, but they were not *** patient underwent resection of the lesion and, on histopathological examination, the lesion consisted of a dense and diffuse inflltrate of plasma cells and a few admixed lymphocytes with reactive follicles extending to the muscular *** extensive deposition of amyloid was also *** stains revealed that a few plasmacytoid cells showed λ light chain staining, though most were κ light chain *** cells also were positive for CD138 and CD56 but negative for CD20 and *** flndings were consistent with extramedullary plasmocytomaassociated with a massive deposit of amyloid in duodenum.A subsequent workup for multiple myeloma was completely *** patient showed no signs of local recurrence or dissemination of the disease after 12 mo *** of the association of plasmocytoma and amyloidosis, the patient must be followed up because of the possible systemic involvement of the neoplasm and amyloidosis in future.

关键词：淀粉样蛋白十二指肠浆细胞存款免疫组织化学染色计算机断层扫描组织病理学检查淀粉样变性

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Colonic duplication in an adult mimicking a tumor of pancreas

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World Journal of Gastroenterology 2008年第6期14卷 966-968页

作者： fabiana pirani carneiro Maria de Nazareth Sobreira Ana Emília B de Azevedo Andréa Pedrosa Ribeiro Alves Karina Martins Campos Department of Pathology University of Brasília DF Brazil Department of Surgery University of Brasília DF Brazil

Duplications of the alimentary tract are uncommon congenital malformations that can present diagnostic difficulties. We report a rare case of a cystic colonic duplication in a female adult. Preoperative investigations were suggestive of pancreatic tumor. The diagnosis was established based on the histopathological examination of the resected specimen. We concluded that, though uncommon, intestinal duplication should be considered in differential diagnosis of abdominal mass.

关键词：胃黏膜肠套叠胰腺肿瘤治疗方法

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