Purpose. Perivascular epithelioid cell tumors (PEComas) are a rare collection of tumors
characterized by a myomelanocytic phenotype, and PEComas occurring in “nonclassic” …

Renal angiomyolipomas without visible fat (AML. wovf) are benign masses that are
incidentally discovered mainly in women. AML. wovf are typically homogeneously …

Perivascular epithelioid cell neoplasms (PEComas) include the common renal
angiomyolipoma, pulmonary clear cell sugar tumor, lymphangioleiomyomatosis, and less …

tracts. 7–10, 14, 16, 19 The cells comprising these lesions may be variably epithelioid or
spindled in shape and have variable cytoplasm ranging from clear to eosinophilic. By …

Soft tissue sarcomas are a form of rare and heterogeneous neoplasms with high recurrence
rate and mortality. Over the past decades, less progress has been achieved. Surgical …

OBJECTIVE. The objective of our study was to describe the imaging features of primary and
metastatic malignant perivascular epithelioid cell tumors (PEComas). MATERIALS AND …

Aims Recent studies have demonstrated that cathepsin K seems to be a powerful marker in
identifying renal perivascular epithelioid cell neoplasms (PEC omas). However, the …

PEComa (PEC tumor; perivascular epithelioid cell tumors) is a rare group of tumors of
mesenchymal origin composed of perivascular epithelioid cells (PEC) with features of …

AIM: To evaluate the dynamic computed tomography (CT), magnetic resonance imaging
(MRI), and clinicopathological characteristics of perivascular epithelioid cell tumours …

Perivascular epithelioid cell tumor (PEComa) is an extremely rare neoplasm that appears to
arise most commonly at visceral (especially gastrointestinal and uterine), retroperitoneal …