Results 41 to 50 of about 13,761 (256)

Identification of a distinct epigenetic subgroup with inferior PFS in intracranial mesenchymal tumors with FET::CREB fusion

Brain Pathology, EarlyView.
Six new cases of intracranial mesenchymal tumors with FET::CREB fusion, alongside 20 previously reported cases underwent DNA methylation profiling uncovered a novel epigenetic subgroup distinguished by inferior PFS and unique clinicopathological, molecular, and epigenetic hallmarks.
Yong Lin, Yun Ning, Yang Lan, Yu‐Juan Cao, Rui‐Jiao Zhao, Hai‐Nan Li, Song Duan, Wei‐Wei Fu, Hai‐Bo Wu, Feng Wu, Xiu‐Wu Bian, Tao Luo, Xiao‐Hong Yao   +12 more
wiley   +1 more source

Novel NOTCH3 alteration expanding the molecular spectrum of pericytic tumours: report of two cases

Histopathology, EarlyView.
Introduction Myofibromas are part of the pericytic tumour family, which includes myopericytomas, glomus tumours and angioleiomyomas. While they typically display benign behaviour when arising in the skin and subcutaneous tissues of the head and neck, rare aggressive variants have been reported, particularly those with visceral or intracranial ...
Irena Antonia Ungureanu, Megane Le Quang, Rihab Azmani, Marie Ancelle, Henri Margot, Guillaume Chotard, François Le Loarer, Nathalène Truffaux   +7 more
wiley   +1 more source

Hemangiopericytoma of supraglottis: A rare case report and review of literature

Journal of Cancer Research and Therapeutics, 2019
In 1942, Stout and Murray first used the term hemangiopericytoma to describe a tumor which is distinguished histologically from other types of vascular neoplasm characterized by proliferation of pericytes.
P. Kendre, P. Kataria, A. Patel, L. Gaurav, S. Dalsaniya   +4 more
semanticscholar   +1 more source

Cytologic and Histologic Findings of Extrapleural Solitary Fibrous Tumor: Report of Two Cases

Diagnostic Cytopathology, Volume 54, Issue 2, Page E46-E53, February 2026.
ABSTRACT Solitary fibrous tumors (SFT) are a rare neoplasm of mesenchymal origin. SFT was previously described primarily in the pleura and meninges; however, extrapleural and extra‐meningeal SFT have been reported in almost every anatomic site and account for up to 40% of cases.
Michael Tyler, Katsiaryna Khatskevich, Chadi Hajar, Jack Yang, Hao Liu   +4 more
wiley   +1 more source

Renal hemangiopericytoma in 15 year old female-treated laparoscopically

Urology Case Reports, 2020
Hemangiopericytoma (HPC) is rare in the urogenital system, most frequently occurs in the pelvis, head and neck, and meninges, it is extremely rare in the kidney. US, CT, or MRI do not show any specific sign of renal HPC that might aid in the differential
D. Anakievski, K. Kalchev
doaj   +1 more source

ALK‐Positive Histiocytosis With Unilateral Breast Involvement: A Case Report

Clinical Case Reports, Volume 14, Issue 1, January 2026.
ABSTRACT APH is a rare disorder characterized by the proliferation of ALK‐expressing histiocytes with variable anatomical involvement; however, mammary involvement is exceptionally rare. A 32‐year‐old woman presented with a painless right breast mass. Ultrasound identified a 9 × 8 mm hypoechoic nodule, categorized as BI‐RADS 4A.
Xuechun Liu, Dong Ren, Yanfang Liang
wiley   +1 more source

A Case Report of a Solitary Fibrous Tumor of the Maxillary Sinus

Reports, 2021
A solitary fibrous tumor (SFT) is a benign neoplasm, firstly described as a mesenchymal tumor of the pleura. Its incidence range in the head and neck region is about 5–27%, but only rarely does it affect paranasal sinuses.
Mattia Di Bartolomeo, Sara Negrello, Arrigo Pellacani, Anna Maria Cesinaro, Stefano Vallone, Livio Presutti, Luigi Chiarini, Alexandre Anesi   +7 more
doaj   +1 more source

Congenital Infantile Fibrosarcoma of the Ileum in a 4‐Day‐Old Female Neonate Mimicking Intestinal Atresia: A Rare Case Report With Histopathological Insights

Clinical Case Reports, Volume 13, Issue 12, December 2025.
ABSTRACT Congenital infantile fibrosarcoma is a rare cause of neonatal intestinal obstruction that can mimic intestinal atresia. This case underscores considering CIFS in the differential diagnosis of intestinal masses in infants and highlights the role of comprehensive histopathological and immunohistochemical analyses in ensuring accurate diagnosis ...
Nooshin Zaresharifi, Azadeh Jafari, Anita Khalili, Amir Pirooz, Maryam Jafari   +4 more
wiley   +1 more source

Surgical Treatment for Osteomalacia Induced by Causative Tumor in the Knee Joint Region: A Single‐Center Retrospective Clinical Study Over 10 Years

Orthopaedic Surgery, Volume 17, Issue 12, Page 3440-3455, December 2025.
The causative tumor for TIO in the knee joint region is hidden and has diverse locations, resulting in great challenges to endocrinologist and orthopedists. Due to the unique anatomical location and complex structure of the knee joint, orthopedic surgeons can adopt different surgical approaches to completely remove the causative tumor.
Shuzhong Liu, Xi Zhou, Jinyi Xing, Zhen Huo, Mingjing Zhang, Bo Yang, Yong Liu, Weibo Xia   +7 more
wiley   +1 more source

Renal Hemangiopericytoma

Haseki Tıp Bülteni, 2015
Hemangiopericytoma is an uncommon perivascular tumor originating from pericytes in the pelvis, head and tneck, and the meninges; extremely rarely in the urinary system.
İbrahim Halil Bozkurt, Tarık Yonguç, Burak Arslan, Hakan Postacı, Bülent Günlüsoy, Tamer Şahin, Salih Polat   +6 more
doaj   +1 more source