Results 51 to 60 of about 5,608,032 (152)

Epidermoid cyst as differential diagnosis for spherical keratoma: What do we know?

Equine Veterinary Education, Volume 38, Issue 9, Page 489-508, September 2026.
Summary This article briefly presents the case of a space‐occupying coronary band mass that raised the question of how one can differentiate between two uncommonly seen but now commonly paired differential diagnoses and prompted a review of the relevant literature.
R. Goodman‐Davis, D. C. Debald, R. Haralambus   +2 more
wiley   +1 more source

Primary liver perivascular epithelioid cell tumor (pecoma): systematic review of literature and case report. [PDF]

, 2022
Introduction. Primary liver perivascular epithelioid cell tumor (PEComa) is an extremely rare entity. In this article, we present a case report with a systematic review of literature of patients diagnosed with primary liver PEComa.
Karaliūtė, Gintarė,
core  

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

Perineurioma‐like EMA‐positive calvarial neoplasms: clinicopathological study of eight cases

Histopathology, Volume 89, Issue 3, Page 544-553, September 2026.
Perineurioma‐like, EMA‐positive calvarial neoplasms (PLECN) are a rare group of intraosseous spindle cell tumours that demonstrate overlapping morphologic features of perineurioma and fibroblastic meningioma. These lesions tend to behave indolently but show a propensity for progressive growth.
Raheel Rizwan, Yingting Mok, Josephine K Dermawan, Alexandra Isaacson, Veronica Ulici, Scott E Kilpatrick, John D Reith, Gabrielle Yeaney, Hakan Ilaslan, Karen J Fritchie   +9 more
wiley   +1 more source

Benign Clear Cell Tumor of the Lung : A case Report

Siriraj Medical Journal, 2020
A case of benign clear cell tumor of the lung in Thai male patient 22 years of age is presented. It is rare tumor with uncertain histogenesis. The perivascular epithelioid cells are proposed to be the proliferating cell type in the group of clear cell ...
Panthep Suttinont, Piyavadee Leksrisakul   +1 more
doaj  

Malignant Mesenteric Perivascular Epithelioid Cell Neoplasm Presenting as an Intra-Abdominal Fistula in a 49-Year-Old Female

Case Reports in Oncological Medicine, 2014
Perivascular epithelioid cell tumors are rare mesenchymal tumors arising from histologically and immunohistochemically distinctive perivascular epithelioid cells that express both myogenic and melanocytic markers.
Sakshi Kapur, Napoleon K. Patel, Miles B. Levin, Richard Huang   +3 more
doaj   +1 more source

An Unexpected Diagnosis of The Rectal Polyp: Perivascular Epithelioid Cell Tumor. [PDF]

Turk Arch Pediatr
Hamidullah Çakmak M, Aykut Bayrak N, Kökten Ş, Turgutoğlu Yılmaz A, Oğuz S, Moralıoğlu S.   +5 more
europepmc   +2 more sources

MEIS1::NCOA2 Rearranged Spindle Cell Neoplasm of Vulva With Unusual Low‐Grade Morphology

Genes, Chromosomes and Cancer, Volume 65, Issue 8, August 2026.
ABSTRACT MEIS1::NCOA2 is a recurrent gene fusion that has been predominantly identified in primitive sarcomas arising within the genitourinary and gynecological tracts. Since its initial description in 2018, an increasing number of cases have been reported, further defining the clinicopathological spectrum of this entity.
Pinki Soni, Liyan Song, Jason Phung, Andrew Colebatch, John M. Gross, Pedram Argani, Pranav Dorwal   +6 more
wiley   +1 more source

A Rare Case of Cutaneous Crystal‐Storing Histiocytosis With Kappa Light Chain Restriction and Unusual BCL6 Expression

Journal of Cutaneous Pathology, Volume 53, Issue 8, Page 682-686, August 2026.
ABSTRACT Crystal‐storing histiocytosis (CSH) is a rare histopathologic phenomenon characterized by the accumulation of crystalline material within histiocytes, most often associated with lymphoplasmacytic or plasma cell neoplasms. Cutaneous involvement is uncommon and may present diagnostic challenges.
Liangli Wang, Jonathan L. Curry, Julia Dai, Daniel H. Wang, Paolo Strati, Melody R. Becnel, Leomar Y. Ballester, Carlos A. Torres‐Cabala, Phyu P. Aung   +8 more
wiley   +1 more source

Durable Disease Control With Nivolumab in Malignant Epithelioid Angiomyolipoma: A Case Report

IJU Case Reports
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 ...
Hiroki Shimoda, Shohei Fukuda, Daiki Yafuso, Kouhei Yamamoto, Yudai Ishikawa, Hiroshi Fukushima, Yuma Waseda, Hajime Tanaka, Soichiro Yoshida, Yasuhisa Fujii   +9 more
doaj   +1 more source