Results 1 to 10 of about 96,135 (248)

ASPSCR1: TFE3 Fusion‐Positive Epithelioid Angiomyolipoma/PEComa Lacking Melanocytic Markers: A Case Report [PDF]

open access: yesIJU Case Reports
Introduction Epithelioid angiomyolipoma is a rare perivascular epithelioid cell tumor subtype with malignant potential. Its morphology mimics renal cell carcinoma, posing diagnostic challenges.
Yuka Kondo   +8 more
doaj   +2 more sources

Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology [PDF]

open access: yesJournal of Pathology and Translational Medicine, 2021
The rib is an unusual location for osteosarcoma and is reported in only 2% of all cases. The major histological variants of osteosarcoma are osteoblastic, chondroblastic, and fibroblastic, with a few rare variants including one epithelioid type.
Sun-Ju Oh
doaj   +1 more source

Hepatic epithelioid hemangioendothelioma: A clinocopathological correlation

open access: yesIndian Journal of Pathology and Microbiology, 2022
Primary hepatic epithelioid hemangioendothelioma (HEHE) is a rare tumor with an incidence of
Apurva Dale Mundada   +4 more
doaj   +1 more source

Aquaporin-6 May Increase the Resistance to Oxidative Stress of Malignant Pleural Mesothelioma Cells

open access: yesCells, 2022
Malignant pleural mesothelioma (MPM) is an aggressive cancer of the pleural surface and is associated with previous asbestos exposure. The chemotherapy drug is one of the main treatments, but the median survival ranges from 8 to 14 months from diagnosis.
Giorgia Pellavio   +4 more
doaj   +1 more source

Retroperitoneal pararenal dedifferentiated liposarcoma with epithelioid/neuroendocrine features, somatostatin-positive.

open access: yesForum of Clinical Oncology, 2023
Liposarcomas are malignant mesenchymal neoplasms that, although derived from adipocytes, may dedifferentiate to other cell types. We present an exceedingly rare case of epithelioid/neuroendocrine dedifferentiation with somatostatin expression of a ...
Gaggero Gabriele   +4 more
doaj   +1 more source

Epithelioid extragastrointestinal stromal tumor in the pelvic cavity: A rare case at a rare location

open access: yesSaudi Journal for Health Sciences, 2023
Extraintestinal gastrointestinal stromal tumors (EGISTs) are rare stromal tumors involving mesentery, omentum, and retroperitoneum. EGISTs of the pelvic cavity are extremely uncommon, and till date, no case of pure epithelioid type arising from the ...
Divvay Vishvam   +3 more
doaj   +1 more source

Epithelioid Hemangioendothelioma of Cavernous Sinus

open access: yesIndian Journal of Neurosurgery, 2017
Epithelioid hemangioendothelioma is an uncommon vascular neoplasm. It is rare in the intracranial location. Its occurrence in the region of cavernous sinus is reported only once.
Raj S. Chandran   +3 more
doaj   +1 more source

Aggressive osteoblastoma involving the craniovertebral junction: A case report and review of literature

open access: yesJournal of Craniovertebral Junction and Spine, 2013
Osteoblastoma (OB) is a rare bony neoplasm constituting around 1% of all primary bone tumors. Although the vertebrae and long bones are the most common sites affected by OB, skull remains a relatively uncommon site of occurrence. Aggressive variant of OB
Devesh Kumar Singh   +7 more
doaj   +1 more source

Epithelioid haemangioma of bone: A series of four cases with a revision of this contentious entity

open access: yesIndian Journal of Pathology and Microbiology, 2022
Epithelioid hemangioma of bone is a rare and locally aggressive vascular neoplasm of bone associated with a good prognosis. Because of its worrisome histomorphologic features and aggressive clinicoradiologic findings, at times with multifocal ...
Divya Bansal   +10 more
doaj   +1 more source

Aggressive primary hepatic epithelioid hemangioendothelioma: a case report and literature review

open access: yesCancer Biology & Medicine, 2017
A new case of epithelioid hemangioendothelioma is reported to have occurred to a 67-year-old patient who consulted for right-sided chest pain. The work-up showed multiple right pulmonary lesions associated with bilateral moderate pleural effusion and ...
Mehdi Afrit   +5 more
doaj   +1 more source

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