Results 1 to 10 of about 7,018 (165)
Malignant MITF-Rearranged PEComa With Novel EEF1A1::MITF Fusion. [PDF]
Genes Chromosomes CancerABSTRACT MITF‐rearranged PEComas are rare, and their relationship to MITF‐altered melanocytic tumors remains incompletely characterized. We report a malignant superficial soft tissue neoplasm of the thigh in a 45‐year‐old woman harboring a novel EEF1A1::MITF fusion. The tumor was composed of epithelioid to plump spindle cells arranged in sheets, nests,
Raney S +9 more
europepmc +2 more sources
MEIS1::NCOA2 Rearranged Spindle Cell Neoplasm of Vulva With Unusual Low-Grade Morphology. [PDF]
Genes Chromosomes CancerABSTRACT 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.
Soni P +6 more
europepmc +2 more sources
Immunohistochemistry of Janus Kinase 1 (JAK1) Expression in Vitiligo [PDF]
Journal of Pathology and Translational Medicine, 2018 Background Vitiligo is a chronic autoimmune disease in which the destruction of melanocytes causes white spots on the affected skin. Janus kinase (JAK) is a family of intracellular, non-receptor tyrosine kinases that transduce cytokine-mediated signals ...
Asmaa Gaber Abdou +3 more
doaj +3 more sources
HMB45 protein expression and the immunohistochemical maturation in common blue nevi: a reappraisal [PDF]
Anais Brasileiros De Dermatologia, 2022 Mahmoud Rezk Abdelwahed Hussein
exaly +3 more sources
Primary Pulmonary Perivascular Epithelioid Cell Tumour (PEComa): A Case Report [PDF]
Respirology Case ReportsPerivascular epithelioid cell tumour (PEComa) is a rare mesenchymal neoplasm; lung is an exceptional primary site. Herein, we present a surgically resected case of primary pulmonary PEComa and discuss its clinicopathologic features in comparison with ...
Yu Sugimoto +4 more
doaj +2 more sources
Cytologic Interpretation of Melanotic Neuroectodermal Tumour of Infancy Involving Cranial Bones: Clue to Diagnosis [PDF]
Journal of Clinical and Diagnostic Research, 2015 Melanotic neuroectodermal tumour of infancy (MNTI) is a rare, benign but locally aggressive neoplasm of infants commonly affecting the maxilla. It can also involve other areas like skull, mandible, brain and epididymis.
Asaranti Kar +4 more
doaj +1 more source
Immunohistochemistry: sole tool in diagnosing a rare case of primary vaginal amelanotic melanoma [PDF]
Obstetrics & Gynecology Science, 2018 We report a rare case of vaginal amelanotic melanoma. Malignant melanomas are cutaneous and extracutaneous tumors that arise from embryological remnants of neural crest cells/melanocytes.
Rashi Garg, Neelam Gupta
doaj +1 more source
Actas Dermo-Sifiliográficas, 2021 Resumen: Antecedentes: Los nevos de localizaciones especiales («nevi of special sites» [NOSS]) son lesiones melanocíticas benignas que se presentan en ubicaciones particulares.
M.R.A. Hussein
doaj +1 more source
BMC Ophthalmology, 2022 Purpose Divided nevus with verrucous hyperplasia will always recur after surgery but non-verrucous divided eyelid nevus rarely recur. This study analyzed the differential expression of Ki-67, S100, Melan A and HMB45 and identified the correlation between
Yuan Deng, Zhengkang Li, Leilei Zhang
doaj +1 more source
Primary amelanotic melanoma of anorectum – a rare case report with diagnostic challenge
Polish Journal of Pathology, 2023 Anorectal melanoma is an exceptionally rare and aggressive form of cancer. One per cent of anorectal malignant tumours are anorectal malignant melanomas, which are exceedingly uncommon.
Gyanendra Singh, Anurag Singh
doaj +1 more source