Results 381 to 390 of about 116,555 (410)
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Expression patterns of S100 proteins in melanocytes and melanocytic lesions
Melanoma Research, 2009S100 proteins are differentially expressed in tumours of epithelial origin. Little is known about their expression in melanocyte-derived tumours of neuroectodermal origin. We have analysed the expression of some S100 proteins in this line of lesions using SAGE Genie informatics, cell culture and human tumour tissue.
Emman Shubbar +3 more
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Non-melanocytic lesions mimicking melanocytic lesions
Pathology, 2004Distinction between benign and malignant melanocytic lesions commonly represents a big challenge for the pathologist. Equally difficult is separating tumours with melanocytic lineage from those displaying other lines of differentiation. This is because benign and malignant melanocytic lesions are able to display a wide range of histological appearances
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2012
Different types of melanocytic nevi do exist in relation to their epidemiology, evolution, morphology, genetics, and their associated melanoma risk. The introduction of dermoscopy has opened a new morphologic dimension of melanocytic nevi; this along with recent progresses in our understanding of the molecular pathways involved in the formation of nevi
Zalaudek, Iris +4 more
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Different types of melanocytic nevi do exist in relation to their epidemiology, evolution, morphology, genetics, and their associated melanoma risk. The introduction of dermoscopy has opened a new morphologic dimension of melanocytic nevi; this along with recent progresses in our understanding of the molecular pathways involved in the formation of nevi
Zalaudek, Iris +4 more
openaire +3 more sources
Melanocytes and the microphthalmia transcription factor network.
Annual Review of Genetics, 2004The first mouse microphthalmia transcription factor (Mitf ) mutation was discovered over 60 years ago, and since then over 24 spontaneous and induced mutations have been identified at the locus.
E. Steingrímsson +2 more
semanticscholar +1 more source
The journey from melanocytes to melanoma
Nature Reviews. Cancer, 2023Patricia P. Centeno, V. Pavet, R. Marais
semanticscholar +1 more source
Myoepithelioma with melanocytic colonization (melanocytic myoepithelioma): a case report
Journal of Cutaneous Pathology, 2009Mixed tumors of the salivary glands and the skin (also known as chondroid syringomas) contain epithelial and myoepithelial components in a chondroid to myxoid stroma. Lesions that are composed solely of cells with myoepithelial differentiation are known as myoepitheliomas.
Scott W. Binder +2 more
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Epithelial, non-melanocytic and melanocytic proliferations of the ocular surface
Seminars in Diagnostic Pathology, 2016Ocular surface tumors are commonly encountered by ophthalmologists and ophthalmic pathologists. These tumors have varied clinical manifestations. In this article, we discuss the most commonly encountered non-melanocytic and melanocytic ocular surface tumors, with emphasis on their common clinical features, morphologic patterns, and prognostic factors.
Wajiha J. Kheir +8 more
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International Ophthalmology, 2011
We report a case of a 37-year-old male with a conjunctival melanocytic nevus presenting in a rare, peripunctal location with preservation of the lacrimal canaliculus and punctum.
Cindy S. Hwang +2 more
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We report a case of a 37-year-old male with a conjunctival melanocytic nevus presenting in a rare, peripunctal location with preservation of the lacrimal canaliculus and punctum.
Cindy S. Hwang +2 more
openaire +2 more sources
Australasian Journal of Dermatology, 2009
ABSTRACTCongenital melanocytic naevi, consisting of clusters of naevo‐melanocytes, develop in utero. Although many congenital naevi are visible at birth, some may not become evident until later in life. The timing of naevo‐melanocyte proliferation, senescence and melanogenesis may all contribute towards determining when a naevus will become clinically ...
Ralph P. Braun +2 more
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ABSTRACTCongenital melanocytic naevi, consisting of clusters of naevo‐melanocytes, develop in utero. Although many congenital naevi are visible at birth, some may not become evident until later in life. The timing of naevo‐melanocyte proliferation, senescence and melanogenesis may all contribute towards determining when a naevus will become clinically ...
Ralph P. Braun +2 more
openaire +2 more sources