Perivascular epithelioid cell tumors, or PEComas, are mesenchymal neoplasms composed
of histologically and immunohistochemically distinctive epithelioid or spindle cells, which are …

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

В практическом пособии рассматриваются основные принципы морфологического
исследования при заболеваниях матки, гистофизиологические изменения шейки матки …

Perivascular epithelioid cell tumor (PEComa) belongs to a family of tumors characterized by
coexpression of melanocytic and muscle markers. Recent studies have shown that sporadic …

Our understanding of endometrial stromal sarcomas has evolved dramatically since their
earliest descriptions from over a century ago. Initial studies focused on establishing the …

TFE3 translocation–associated PEComa is a distinct form of perivascular epithelioid cell
neoplasm, the features of which are poorly defined owing to their general infrequency and …

Müllerian adenosarcoma is a mixed lesion with malignant mesenchymal and benign
glandular components (Table 1). Age at presentation varies greatly (range 13–89 years) …

Perivascular epithelioid tumours (PEComas) of the gynaecological tract are rare tumours
which were first recognised and diagnosed within the last 20 years. They represent a unique …

Although diagnosis of high-grade uterine mesenchymal tumors (UMTs) exhibiting classic
morphologic features is straightforward, diagnosis is more challenging in tumors in which …

Among mesenchymal tumors of the uterus, smooth muscle neoplasms are most common.
The wide morphologic spectrum, especially within the category of leiomyomas, is …