Results 31 to 40 of about 2,403 (160)

Ultrasound Features of Uterine Perivascular Epithelioid Cell Tumor (PEComa): A Systematic Review. [PDF]

J Imaging
Uterine perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm whose sonographic profile has not been systematically characterized. We describe an index case of malignant uterine PEComa and present a PRISMA 2020-compliant systematic ...
Zompì LG, Baldini GM, Bardi M, Lopez S, Calabrese A, Ramunno MA, Colonna G, Loizzi V, Arezzo F, Cormio G.   +9 more
europepmc   +2 more sources

Durable Disease Control With Nivolumab in Malignant Epithelioid Angiomyolipoma: A Case Report. [PDF]

IJU Case Rep
ABSTRACT Introduction Epithelioid angiomyolipoma is a subtype of perivascular epithelioid cell tumors that may exhibit malignant behavior. While mammalian target of rapamycin inhibitors are commonly used for systemic treatment, the efficacy of immune checkpoint inhibitors remains unclear.
Shimoda H, Fukuda S, Yafuso D, Yamamoto K, Ishikawa Y, Fukushima H, Waseda Y, Tanaka H, Yoshida S, Fujii Y.   +9 more
europepmc   +2 more sources

Pecoma cervical - a propósito de um caso clínico

Revista Portuguesa Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, 2010
Os PEComas (“perivascular epithelioid cell diferentiation tumours”) são tumores mesenquimatosos, normalmente benignos, extremamente raros, constituídos por células epitelioides perivasculares, com características histológicas e imunohistoquímicas ...
Pedro Montalvão, Rafael Cabrera, João Cruz, José Saraiva, Nuno Santiago   +4 more
doaj   +1 more source

Perivascular epithelioid cell tumor (PEComa) of the pterygopalatine fossa

Clinical Case Reports, 2020
Perivascular epithelioid cell tumors (PEComas) are a rare group of mesenchymal tumors associated with tuberous sclerosis. These tumors are typically treated with resection and rarely recur or exhibit malignant behavior. A 78‐year‐old woman presented with
Michael I. Dougherty, Spencer C. Payne, Akriti Gupta, Jose L. Mattos   +3 more
doaj   +1 more source

Fertility-sparing operation for recurrence of uterine cervical perivascular epithelioid cell tumor

Rare Tumors, 2010
Perivascular epithelioid cell tumors (PEComa) are mesenchymal tumors composed of histologically and immunohistochemically distinctive perivascular epithelial cells.
Eiko Yamamoto, Kazuhiko Ino, Maiko Sakurai, Sachiko Takigawa, Akira Iwase, Fumitaka Kikkawa   +5 more
doaj   +1 more source

Metastatic perivascular epithelioid cell tumor responding to mammalian target of rapamycin inhibition

Indian Journal of Medical and Paediatric Oncology, 2014
Perivascular epithelioid cell tumors (PEComa) are a family of rare mesenchymal tumors composed of histologically and immunohistochemically distinctive perivascular epithelioid cells.
Indranil Ghosh, Indu Arun, Saugata Sen, Lopamudra Mishra   +3 more
doaj   +1 more source

Femoral PEComa Treated With Combined Surgery and Radiotherapy: A Case Report. [PDF]

Clin Case Rep
ABSTRACT Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal tumor, and primary involvement of the bone is exceptionally uncommon. In this report, a case of malignant PEComa arising from the femur in an elderly patient is described.
He Y, Fu K, Xue L, Fan Y, Wu D.
europepmc   +2 more sources

Malignant perivascular epithelioid cell tumor (PEComa) of the uterus with late renal and pulmonary metastases: a case report with review of the literature

Diagnostic Pathology, 2007
Background Perivascular epithelioid cell tumor (PEComa), other than angiomyolipoma (AML), clear cell sugar tumor (CCST), and lymphangioleiomyomatosis (LAM), is a very rare mesenchymal tumor with an unpredictable natural history.
Parwani Anil V, Armah Henry B
doaj   +1 more source

The problem of rare tumors in gynecology: a clinical case of benign retroperitoneal sclerosing pelvic pecoma in 49-year-old woman

Исследования и практика в медицине, 2022
The tumor lesions of the reproductive system organs carry the leading position in the structure of gynecological diseases. One of the rare tumors that can affect the organs of the reproductive system is pecoma, which is a tumor of mesenchymal origin ...
V. I. Lanchinsky, Yu. V. Chushkov, A. B. Ponomarev, Yu. I. Osmanov, A. I. Ishchenko, N. V. Vorobev   +5 more
doaj   +1 more source

PEComa of the lung [PDF]

, 2010
Perivascular epithelioid cell tumor (PEComa), also called clear cell ′sugar′ tumor of the lung, is a rare benign tumor arising from perivascular epithelioid cells (PECs).
Mehta, Sanket S., Deodhar, Kedar K., Pramesh, C S., Mistry, Rajesh C., Vijayabhaskar, R   +4 more
core   +4 more sources