Results 51 to 60 of about 7,752 (214)

Angiographic Evidence of a Purely Pial Bihemispheric Intracranial Hemangiopericytoma

Case Reports in Neurological Medicine, 2016
Background. Classification of hemangiopericytoma (HPC) has evolved to a mesenchymal, nonmeningothelial grade two or three neoplasm according to the World Health Organization; however its blood supply has always been defined by dual origin, pial and dural
Nathaniel Stetson, Sudhakar Vadivelu, Jiang Y. Li, Avi Setton, David J. Chalif   +4 more
doaj   +1 more source

Usefulness of Choline-PET for the detection of residual hemangiopericytoma in the skull base: comparison with FDG-PET

Head & Face Medicine, 2012
Background Choline is a new PET tracer that is useful for the detection of malignant tumor. Choline is a precursor of the biosynthesis of phosphatidylcholine, a major phospholipid in the cell membrane of eukaryotic cells.
Ito Shin, Yokoyama Junkichi, Yoshimoto Hitoshi, Yazawa Masaki, Kazuo Kubota, Hanaguri Makoto, Ohba Shinichi, Fujimaki Mitsuhisa, Ikeda Katsuhisa   +8 more
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

Presacral Hemangiopericytoma: Case Report

, 2015
Hemangioma are rare tumor originating from the pericytes, the contractile cells that surround capillaries. This tumor arises from pericapillary cells or pericytes of Zimmerman and can occur anywhere where capillaries are found . Howeverhemangiopericytoma
Anuradha Salvi, Dr Rajendra Prasad Bugalia, Abhinav Pandey, Raj Kamal Jenaw, Prashant Garg   +4 more
core   +1 more source

The orbital and sinonasal hemangiopericytoma, 2 case reports:

Journal of Fasa University of Medical Sciences, 2016
Background & objective: Hemangiopericytoma is an uncommon vascular tumor derived from the pericytes of Zimmermann. . The most common location of the tumor is pelvic retroperitoneum and musculoskeletal system of the lower extremities. It is rarely seen in
Maryam Maghbol, Mohammadjavad ashraf, Negar Azarpira   +2 more
doaj  

Transcatheter Arterial Embolization Combined With Systemic Therapy for Metastatic Hormone–Sensitive Prostate Cancer Presenting as a Giant Pelvic Mass

Advances in Urology, Volume 2026, Issue 1, 2026.
Prostate cancer is the second most common malignant tumor among men. It often has an insidious onset and lacks specific clinical manifestations in the early stage. Most patients seek medical attention due to abnormal urination and are diagnosed through screening.
Zhipeng Yan, Chunhong Tang, Deqi Jiang, Heng Zhang, Baoqun Xu, Maokun Sun, Yi Sun, Yunji Sun, Sreeja Dattachoudhury   +8 more
wiley   +1 more source

Resection of Sinonasal Hemangiopericytoma through Transnasal Endoscopic Method

, 2023
Hemangiopericytoma is a soft tissue tumor which is derived from mesenchymal cells with differentiation of pericytes. It represents a limited proportion of tumors in head and neck and most commonly occurs in sinonasal cavities.
Dr.Chityala Chandrika, Dr.G.Siva Prasad, Dr.K.Kishore   +2 more
core   +1 more source

Primary epidural malignant hemangiopericytoma of thoracic spinal column causing cord compression: case report

São Paulo Medical Journal
CONTEXT: Hemangiopericytoma is an uncommon mesenchymal neoplasm that rarely affects the spinal canal. Primary malignant hemangiopericytoma of the spinal column is extremely rare.
Mohammad Mohammadianpanah, Simin Torabinejad, Mohammad Hadi Bagheri, Shapour Omidvari, Ahmad Mosalaei, Niloofar Ahmadloo   +5 more
doaj   +1 more source

A Rare Epithelioid Hemangioendothelioma of the Tongue: A Case Report and Review of Published Cases

Case Reports in Dentistry, Volume 2026, Issue 1, 2026.
Aim Epithelioid hemangioendothelioma (EHE) is a rare vascular tumor caused by the proliferation of endothelial cells. The purpose of this study was to describe a rare case of EHE of the tongue and to perform a systematic review of the literature reporting oral EHE.
Gioele Gioco, Romeo Patini, Enrico Russo, Guido Rindi, Carlo Lajolo, Cosimo Rupe, Hannah Wesley   +6 more
wiley   +1 more source

Unusual occurrence of orbital hemangiopericytoma in the zygomatic bone of an adolescent: a case report

Eye and Vision, 2018
Background Hemangiopericytoma and solitary fibrous tumor are considered related variants on the same spectrum and both may essentially be the same tumor.
Bahram Eshraghi, Hadi Ghadimi, Zohreh Nozarian   +2 more
doaj   +1 more source