Results 71 to 80 of about 12,984 (208)

Acquired bilateral nevus of ota-like macules with Mucosal involvement: A new variant of Hori′s nevus

open access: yesIndian Journal of Dermatology, 2014
Acquired bilateral nevus of Ota-like macules (ABNOM) or Hori′s nevus, a rare form of acquired dermal melanocytoses, presents as bilateral facial blue-gray macules without ocular or mucosal involvement.
Ramesh M Bhat   +3 more
doaj   +1 more source

Benign follicular tumors [PDF]

open access: yes, 2015
Benign follicular tumors comprise a large and heterogeneous group of neoplasms that share a common histogenesis and display morphological features resembling one or several portions of the normal hair follicle, or recapitulate part of its embryological ...
Ackerman AB   +67 more
core   +3 more sources

Rare Secondary Neoplasms Arising in Epidermal Nevus: A Case Series and Literature Review

open access: yesJournal of Cutaneous Pathology, EarlyView.
ABSTRACT Malignant transformation is known to occur with many nevi, such as nevus sebaceus. However, cases of secondary tumors developing in an epidermal nevus (EN) are rare, with only a few case reports documented in the literature. We present three unique cases of syringocystadenoma papilliferum (SCAP), syringofibroadenoma, trichilemmoma, and basal ...
Haya A. Homsi   +5 more
wiley   +1 more source

Nevus of Ota with Rare Palatal Involvement: A Case Report with Emphasis on Differential Diagnosis

open access: yesCase Reports in Dentistry, 2011
Nevus of Ota, a dermal melanocytic nevus, is rare in the Indian subcontinent. It presents as a brown, blue, or gray patch on the face and is within the distribution of the ophthalmic and maxillary branches of the trigeminal nerve.
Gaurav Sharma, Archna Nagpal
doaj   +1 more source

Histologic and phenotypic factors and MC1R status associated with BRAF(V600E), BRAF(V600K), and NRAS mutations in a community-based sample of 414 cutaneous melanomas [PDF]

open access: yes, 2016
Cutaneous melanomas arise through causal pathways involving interplay between exposure to UV radiation and host factors, resulting in characteristic patterns of driver mutations in BRAF, NRAS, and other genes.
Green, Adele C.   +11 more
core   +2 more sources

Cytology‐First Diagnostic Workflow for Melanoma of Unknown Primary With Molecular Profiling

open access: yesCytopathology, EarlyView.
Cytology‑first diagnostic workflow for melanoma of unknown primary. Fine‑needle aspiration of an enlarged lymph node enables rapid cytologic evaluation and immunocytochemical confirmation of melanocytic lineage (SOX10). This early cytologic diagnosis facilitates timely surgical excision and comprehensive genomic profiling, supporting integrated ...
Hong Yu   +3 more
wiley   +1 more source

Preneoplasias cutáneas y de mucosa oral [PDF]

open access: yes, 2018
Este trabajo hace foco sobre aquellas dermatosis que pueden dar origen a tumores. Enfatiza el reconocimiento de las mismas a partir del examen clínico y de los métodos de laboratorio que aseveran ese diagnóstico.
Driban, Nelson E.   +2 more
core  

Nevus of Ota – an intraoral presentation: a case report

open access: yesJournal of Medical Case Reports, 2019
Background Nevus of Ota or “oculodermal melanocytosis” is a rare congenital hamartoma of dermal melanocytes causing a blue-gray hyperpigmentation of the eye and surrounding structures. The condition, originally described by Ota and Tanino in 1939, mainly
Jennifer Maguire, Deborah Holt
doaj   +1 more source

Examining the Role of Artificial Intelligence in Assessment: A Comparative Study of ChatGPT and Educator‐Generated Multiple‐Choice Questions in a Dental Exam

open access: yesEuropean Journal of Dental Education, EarlyView.
ABSTRACT Aim To compare the item difficulty and discriminative index of multiple‐choice questions (MCQs) generated by ChatGPT with those created by dental educators, based on the performance of dental students in a real exam setting. Materials and Methods A total of 40 MCQs—20 generated by ChatGPT 4.0 and 20 by dental educators—were developed based on ...
Nezaket Ezgi Özer   +4 more
wiley   +1 more source

Deep penetrating nevus: a case report and brief literature review

open access: yesDiagnostic Pathology, 2006
Background - Deep penetrating nevus (DPN) is a distinct variant of melanocytic nevus and remains a histopathologic challenge to pathologists because of its resemblance to blue nevus, malignant melanoma, pigmented Spitz nevus, and congenital melanocytic ...
Dang Linh M   +3 more
doaj   +1 more source

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