Τετάρτη 9 Ιουνίου 2021

Perivascular epithelioid cell tumor of the pancreas: case report and literature review

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Int J Clin Exp Pathol. 2021 May 15;14(5):653-661. eCollection 2021.

ABSTRACT

Neoplasms with perivascular epithelioid cell differentiation (PEComas) of the pancreas are rare, and only 22 cases have been reported globally. Therefore, clinician and pathologist knowledge of this tumor's biologic behavior and molecular genetics has been limited. A 40-year-old female patient presented with a space-occupying mass in the pancreas found by abdominal B-mode ultrasonography upon physical examination. Laparoscopic resection of the pancreatic body and tail was performed, and a cystic-solid tumor of about 2 × 2 cm was identified. PEComa is a type of mesenchymal tumor with uncertain biologic behavior, more frequently found in females. PEComa features a unique histomorphology and immunophenotype. We summarize the characteristics and research progress of the pancreatic PEComa, which will be convenient for physicians and pathologists to fully understan d the disease to avoid misdiagnosis and to provide a reference for treatment and prognosis.

PMID:34093951 | PMC:PMC8167487

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