Results 21 to 30 of about 637,894 (240)

Cytokeratin 13 (CK13) expression in cancer: a tissue microarray study on 10,439 tumors

open access: yesAPMIS, Volume 131, Issue 2, Page 77-91, February 2023., 2023
Cytokeratin 13 (CK13) is a type I acidic low molecular weight cytokeratin, which is mainly expressed in urothelium and in the squamous epithelium of various sites of origin. Loss of CK13 has been implicated in the development and progression of squamous epithelial neoplasms. To comprehensively determine CK13 expression in normal and neoplastic tissues,
Maximilian Lennartz   +25 more
wiley   +1 more source

The importance of p16 and CD117 expression in melanocytic lesions [PDF]

open access: yes, 2021
Aim: The present study aims to determine the p16 and CD117 expression profiles of melanocytic lesions to investigate immune profiles that may facilitate differential diagnosis of melanoma from benign or potential precursor melanocytic lesions.Materials ...
Arslan, Ayşegül İsal, Karabağ, Sevil
core   +1 more source

Malignant blue nevus [PDF]

open access: yesCancer, 1991
To elucidate the histologic features and biologic behavior of malignant blue nevus (MBN), 12 cases were analyzed in which the tumor showed no junctional activity and arose in a blue nevus background. Seven patients were men and five were women; their mean age was 48.8 years.
J. Leslie Smith, John H. Connelly
openaire   +3 more sources

Nevus sebaceus with syringocystadenoma papilliferum, prurigo nodularis, apocrine cystadenoma, basaloid follicular proliferation, and sebaceoma: case report and review of nevus sebaceus-associated conditions [PDF]

open access: yes, 2020
Nevus sebaceus is a benign skin hamartoma of congenital onset that grows during puberty, and in adulthood can develop secondary benign and malignant neoplasms.
Basu, Pallavi   +3 more
core   +1 more source

Pigmented epithelioid melanocytoma: A clinico-histopathological enigma

open access: yesIndian Journal of Dermatopathology and Diagnostic Dermatology, 2022
Blue nevi are a group of congenital or acquired benign dermal melanocytic tumors. Various clinical and histological variants have been described.Epithelioid blue nevus (EBN), an uncommon variant may present as blue gray nodule over trunk, extremities ...
Pooja Dilip Shah   +3 more
doaj   +1 more source

Cell‐intrinsic melanin fails to protect melanocytes from ultraviolet‐mutagenesis in the absence of epidermal melanin

open access: yesPigment Cell &Melanoma Research, Volume 36, Issue 1, Page 6-18, January 2023., 2023
Abstract Melanin is a free‐radical scavenger, antioxidant, and broadband absorber of ultraviolet (UV) radiation which protects the skin from environmental carcinogenesis. However, melanin synthesis and UV‐induced reactive melanin species are also implicated in melanocyte genotoxicity. Here, we attempted to reconcile these disparate functions of melanin
Tirzah J. Weiss   +15 more
wiley   +1 more source

A Case Series on Intraoral Blue Nevi with a Literature Review-Based Clinico-Pathologic Comparison of Intraoral Blue Nevi with Other Oral Melanocytic Nevi

open access: yesApplied Sciences, 2023
Nevi are pigmented lesions of bluish-black colour that may occasionally occur in the oral cavity. Out of several oral melanocytic nevi (OMN), blue nevi are significant as some variants are diagnostically challenging due to histopathological overlap with ...
Primali. R. Jayasooriya   +2 more
doaj   +1 more source

Common Blue Nevus withSatellite Lesions Needs aDifferential Diagnosis from Malignant Melanoma

open access: yesCase Reports in Dermatology, 2013
Malignant blue nevus is rare, and a common blue nevus rarely needs a differential diagnosis from malignant melanoma. Although a melanocytic nevus with a satellite lesion is usually suggestive of a peripherally disseminating malignant melanoma, very few ...
Nozomi Yonei   +2 more
doaj   +1 more source

Melanoma Ex Blue Nevus With GNA11 Mutation and BAP1 Loss: Case Report and Review of the Literature.

open access: yesAmerican journal of dermatopathology, 2020
Cutaneous melanomas may demonstrate a variety of histopathological features and genetic abnormalities. Melanomas that arise in the setting of blue nevi, also known as "malignant blue nevus" or melanoma ex blue nevus (MBN), share a similar ...
Li-Wei Chang   +8 more
semanticscholar   +1 more source

Diagnostic value of dermoscopy combined with reflectance confocal microscopy for clinically equivocal blue nevus

open access: yesChinese Medical Journal, 2020
Blue nevus (BN) is a benign, acquired pigmented lesion scanning microscope (VivaScope ® 1500; Caliber ID, characterized by a bluish or dark-bluish pigmentation. Henrietta, NY, USA), with only images considered Most lesions are benign and stable over time,
Wenmin Fei, Chengxu Li, Yong Cui
semanticscholar   +1 more source

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