Results 41 to 50 of about 6,515 (182)
Veterinary Medicine and Science, Volume 12, Issue 2, March 2026.Immunohistochemical expression of CD34, desmin, keratin AE1/AE3, keratin 8/18, KIT, SMA, S100, and vimentin in normal guinea pig skin serving as both positive and negative external tissue control. All images immunohistochemical staining, 200× magnification, scale bar 100 µm. (A) CD34 stained only vascular endothelium (arrow).
Jiří Lenz +3 more
wiley +1 more source
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 +8 more
doaj +1 more source
Brain Pathology, Volume 36, Issue 2, March 2026.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 +12 more
wiley +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 +2 more
doaj
Primary Malignant Pulmonary Glomus Tumor: A Case Report and Literature Review
The Clinical Respiratory Journal, Volume 20, Issue 3, March 2026.We report a case of primary malignant pulmonary glomus tumor. A mass in the upper lobe of the right lung, with multiple speckled calcifications. The enhanced scan showed uneven enhancement in the arterial phase and progressive enhancement in the venous phase. ABSTRACT Malignant glomus tumors originating from the lungs are relatively rare.
Shishi Luo +4 more
wiley +1 more source
São Paulo Medical JournalCONTEXT: Hemangiopericytoma is an uncommon mesenchymal neoplasm that rarely affects the spinal canal. Primary malignant hemangiopericytoma of the spinal column is extremely rare.
Mohammad Mohammadianpanah +5 more
doaj +1 more source
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 +2 more
doaj +1 more source
Novel NOTCH3 alteration expanding the molecular spectrum of pericytic tumours: report of two cases
Histopathology, Volume 88, Issue 4, Page 922-927, March 2026.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 +7 more
wiley +1 more source
Hemangiopericytoma of the breast
The Journal of the American Osteopathic Association, 1991 Hemangiopericytoma is an extremely rare soft tissue tumor of the pericytes that surround the walls of blood vessels. The lesion is characterized by proliferation of the pericytes above the basement membrane. The microscopic features of the hemangiopericytoma can often be demonstrated by reticulin staining. Clinical presentation can vary. The lesion has
F G, Meoli, N L, Kopitnik
openaire +2 more sources
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 +4 more
wiley +1 more source