Web17 okt. 2024 · PEComa (perivascular epithelioid cell tumor) is a mesenchymal tumor with histological and immunophenotypic features of perivascular epithelioid cells ( 1 ). In 1992, Bonetti et al. described this tumor as originating from the liver for the first time ( 2 ). Four years later, Zamboni introduced the name PEComa ( 3 ). Web14 dec. 2007 · At present, PEComa is a widely accepted entity. In the past 10 years, the use of this term has allowed to report and describe numerous cases permitting to start highlighting the biology of this group of lesions. ... Hepatic angiomyolipoma: strong granular HMB45 immunoreactivity in perivascular epithelioid cells; HMB45 ×20.
Unresectable hepatic PEComa: a rare malignancy treated …
Web12 nov. 2024 · However, hepatic masses appeared after 12 weeks and histopathology confirmed the diagnosis of metastatic malignant PEComa. The patient underwent … WebPerivascular epithelioid cell tumor (PEComa) is a rare tumor. Here, we present data regarding clinical presentations, diagnoses, management, and prognosis of five cases of … settextcolor hex android
PEComa: A Perivascular Epithelioid Cell Tumor in the Liver
WebLos PEComas (PEC) se han definido como tumoraciones de origen mesenquimal caracterizadas histológicamente por la proliferación de celulas epitelioides perivasculares y por la capacidad de coexpresar marcadores inmunohistoquímicos melanocíticos (HBM-45 y Melan-A) y musculares (actina y desmina) 1. Web3 jul. 2024 · Hepatic PEComa ultrasonography shows non-uniform echo with low echo, a blood flow signal around the tumor, and abundant parenchyma. CEUS showed concentric filling enhancement ( 3 ). On plain CT scan, liver PEComa often presents with an uneven low-density shadow, and a fat density shadow can be seen in tumors containing adipose … Web1 dec. 2015 · Perivascular epithelioid cell tumors (PEComas) are rare mesenchymal neoplasms which can arise from almost any location in the body. Diagnosing them pre … thetimeanddate