Results 71 to 80 of about 4,957,056 (152)

Successful treatment with the mTOR inhibitor everolimus in a patient with Perivascular epithelioid cell tumor

World Journal of Surgical Oncology, 2012
Perivascular epithelioid cell tumor (PEComa) is an extremely rare neoplasm that appears to arise most commonly at visceral (especially gastrointestinal and uterine), retroperitoneal, and abdominopelvic sites.
Gennatas Constantine, Michalaki Vasiliki, Vasilatou Kairi Paraskevi, Kondi-Paphiti Agathi, Voros Dionysios   +4 more
doaj   +1 more source

Diagnostic Challenges in Choroid Plexus Tumours

Neuropathology and Applied Neurobiology, Volume 52, Issue 4, August 2026.
In this review, we summarise the diagnostic spectrum of choroid plexus tumours, highlight key age‐dependent differential diagnoses across infants, children/adolescents and adults, and outline how histopathology, immunohistochemistry and molecular profiling support accurate tumour classification.
Christian Thomas, Martin Hasselblatt
wiley   +1 more source

UTERINE PERIVASCULAR EPITHELIOID CELL TUMOR:A CASE REPORT [PDF]

, 2006
Perivascular epithelioid cell tumor (PEComa) is composed of HMB45+ epithelioid cells with clear to granular cytoplasm and perivascular distribution.
G. Iravanlo Z. Nozarian
core  

Management and Outcomes of Uterine Smooth Muscle Tumour of Uncertain Malignant Potential (STUMP)

Cancer Medicine, Volume 15, Issue 7, July 2026.
ABSTRACT Background Uterine smooth muscle tumours of uncertain malignant potential (STUMP) is a mesenchymal tumour which does not fulfil the criteria for leiomyoma, benign histological subtypes, or leiomyosarcoma. The risk factors for recurrence and the rates of recurrence vary amongst different studies; as a result, there are currently no consensus ...
Aaron Hey Yin Chan, Karen Kar Loen Chan, Philip Pun Ching Ip, Ka Yu Tse   +3 more
wiley   +1 more source

A patient presenting with a perivascular epithelioid cell tumor in the broad ligament: a case report [PDF]

, 2011
Introduction Perivascular epithelioid cell tumors are a family of rare mesenchymal tumors composed of histologically and immunohistochemically distinctive perivascular epithelioid cells. They can originate in any visceral organ or soft tissue and include
Claire Ross, Michelle Scurr, Scurr Michelle, Hayes Andrew, Judson Ian, Sharma Sunita, Sunita Sharma, Onsy Louca, Ross Claire, Ian Judson, Andrew Hayes, Louca Onsy   +11 more
core   +2 more sources

Perivascular epithelioid cell tumor of the retroperitoneum in a young woman resulting in an abdominal chyloma [PDF]

, 2008
Perivascular epithelioid cell tumor (PEComa) is an extremely rare neoplasm which appears to have predominancy for young, frequently Asian, women. The neoplasm is composed chiefly of HMB-45-positive epithelioid cells with clear to granular cytoplasm and ...
Hermans, J.J. (John), Kazemier, G. (Geert), Lans, T. E., G. H. van Ramshorst, Tran, T.C.K. (Khe), J. J. Hermans, Kazemier, G., Bakker, M.A. (Michael) den, Lans, T. (Titia), Tran, T. C. K., Ramshorst, G.H. (Gabrielle) van, den Bakker, M. A., T. E. Lans, G. Kazemier, Hermans, J. J., M. A. den Bakker, van Ramshorst, Gabriëlle, T. C. K. Tran, den Bakker, Michael, Hermans, John, Lans, TE, Tran, Khe, Kazemier, G, Ramshorst, GH   +23 more
core   +4 more sources

Early onset of a nasal perivascular epithelioid cell neoplasm not related to tuberous sclerosis complex.

, 2012
Perivascular epithelioid cell neoplasms are a group of rare tumours reported in various organs under a variety of designations. Such tumours are of interest primarily because of the distinctive morphology of their cell population and their ...
Gana S, Matti E, Chu F, DANESINO, CESARE, Giourgos G, MORBINI, PATRIZIA, Pagella F.   +6 more
core  

TFE3-rearranged PEComa-like neoplasm of the kidney with carcinoma-like morphology and rapid progression: a case report

World Journal of Surgical Oncology
Background TFE3-rearranged perivascular epithelioid cell tumor (PEComa)-like neoplasm is a recently recognized mesenchymal tumor with melanocytic immunophenotype and TFE3 gene rearrangement, but often lacking smooth muscle differentiation.
Zhao-Jing Chen, Juan Cai, Lei Li, Jiale Ji, Xiao-Chu Yan, Xiu-Wu Bian, Mian-Fu Cao, Guang-Jie Duan   +7 more
doaj   +1 more source

A Case Report of Malignant Perivascular Epithelioid Cell Tumors of the Uterus and Literature Review [PDF]

Daifeng Hu,1,* Mengyue Miao,1,* Hui Zhou,1 Xia Gu,1,2 Xuedan Wang,3 Alexander Tobias Teichmann,1 Qin Wang,1 Youzhe Yang1,2 1Sichuan Provincial Center for Gynaecology and Breast Diseases, The Affiliated Hospital of Southwest Medical University ...
Teichmann AT, Hu D, Yang Y, Gu X, Wang Q, Wang X, Miao M, Zhou H   +7 more
core  

Bladder perivascular epithelioid cell tumor: A novel rare neoplasm

, 2012
Perivascular epithelioid cell tumors (PEComas) have recently been defined as a group of neoplasms that have in common the co-expression of melanocytic and smooth muscle markers.
Papatsoris, A.G., Kyrou, D., Staios, D.
core   +1 more source