Results 11 to 20 of about 12,984 (208)

Case Report: An unexpected case of tumor regression in blue nevus melanoma following COVID-19 infection [PDF]

Frontiers in Immunology
Blue nevus is a benign melanocytic lesion that appears as a blue or dark mole due to the presence of melanin deep within the skin. In rare cases melanoma can arise from this association with blue nevus, and entity termed blue nevus melanoma (BNM).
Yadriel Bracero, Emily Nghiem, Ajay K. Singh, Divya B. Kenchappa, Rachel Berglas, Shabnam Fidvi, Chaoyuan Kuang, Katia Papalezova, Beth McLellan, Bijal Amin, Yvonne M. Saenger   +10 more
doaj   +2 more sources

The usefulness of c-Kit in the immunohistochemical assessment of melanocytic lesions [PDF]

European Journal of Histochemistry, 2011
C-Kit (CD117), the receptor for the stem cell factor, a growth factor for melanocyte migration and proliferation, has shown differential immunostaining in various benign and malignant melanocytic lesions.
L. Pilloni, P. Bianco, E. DiFelice, S. Cabras, M.E. Castellanos, L. Atzori, C. Ferreli, P. Mulas, S. Nemolato, G. Faa   +9 more
doaj   +3 more sources

A Rare Case of Multifocal Prostatic Blue Nevus [PDF]

Case Reports in Urology, 2018
Prostatic blue nevus is a rare benign pathologic diagnosis most commonly diagnosed incidentally on many different types of prostate specimens. Blue nevus is the deposition of stromal melanin characterized by spindle cells within the fibromuscular stroma ...
Elias J. Farran, Preston S. Kerr, Christopher D. Kosarek, Joseph Sonstein, Eduardo J. Eyzaguirre   +4 more
doaj   +2 more sources

Blue rubber bleb nevus syndrome: Presentation of a case and review of the literature

Radiology Case Reports, 2021
Blue Rubber Bleb Nevus Syndrome, is a rare condition characterized by skin lesions caused by vascular malformations most frequently associated with lesions of the gastrointestinal tract, although rare, it can present with lesions in the central nervous ...
Fabricio Andres Lasso Andrade, MD. MSP., Jorge Alejandro Cadena Arteaga, MD. MSP., Viviana Lizeth Echeverry Morillo, MD, Ángela María Fajardo Arteaga, MD, Jenny Alexandra Jurado Pantoja, MD, Migdalia Zamirna Zuleny Lasso Anacona, MD, Paula Andrea Nieto Lozano, MD, Daniela Steffany Possos Obando, MD, María Alejandra Palacios Rodríguez, MD, Madelen Alexandra Ortiz Cárdenas, MD, Hermes Albeiro Ortega Díaz, MD, Diana Yulieth Ramírez Anacona, MD, Rodrigo Zanabria Zarmienta, MD   +12 more
doaj   +3 more sources

Congenital plaque-type blue nevus on the palm of the right hand: a rare case report [PDF]

Frontiers in Pediatrics
Plaque-type blue nevus (PTBN) is a rare variant of blue nevus that mostly involves the breast, head, neck, trunk, and, rarely, the hand and palm. In this study, we report a rare case of congenital PTBN involving the right palm since birth.
Lin Qi, Guoliang Jia, Yanlong Wang, Chuanjie Xu, Chunli Yao   +4 more
doaj   +2 more sources

Compound blue nevus: A misleading pigmented melanocytic tumor [PDF]

Clinical Case Reports, 2022
Compound blue nevus had clinical and histological similarities with other heavily pigmented melanocytic tumor, like the pigmented epithelioid melanocytoma. Distinctive genomic aberrations have allowed differentiating it.
Massara Baklouti, Khadija Sellami, Neila Elleuch, Mariem Rekik, Ines Saguem, Chahir Kamoun, Naourez Gouiaa, Hela Ben Messaoud, Fathi Karray, Mohamed Abdelmoula, Tahia Sellami, Hamida Turki   +11 more
doaj   +2 more sources

Unusual melanoma of the scalp with blue nevus-like features and local metastasis: A case report [PDF]

SAGE Open Medical Case Reports, 2019
We present an unusual case of melanoma in a 76-year-old female covering approximately 80% of her scalp. Partial sampling of the lesion revealed focal blue nevus-like features at the microscopic level.
Sheenagh JK George, Peter Green, Noreen MG Walsh   +2 more
doaj   +2 more sources

Melanoma sobre nevus azul en placa o sobre melanocitosis dérmicas: utilidad diagnóstica y pronóstica del BAP1

Actas Dermo-Sifiliográficas, 2023
Resumen: El melanoma sobre nevus azul o melanoma ex-blue nevus es una variedad de melanoma peculiar que tiene un perfil genético diferente al del resto de los melanomas cutáneos y sorprendentemente superponible al perfil del melanoma uveal.
C. Requena, V. Traves, E. Ferrandis, M. Antón Almero, Z. García-Casado, E. Manrique-Silva, Á. Santos Briz, P. Escalonilla, E. Nagore   +8 more
doaj   +1 more source

[Translated article] Melanoma Arising in Plaque-Type Blue Nevus and Dermal Melanocytosis: Diagnostic and Prognostic Value of BAP1

Actas Dermo-Sifiliográficas, 2023
Melanoma arising in blue nevus, also known as melanoma ex blue nevus, is a specific form of melanoma whose genetic profile is different to that of other cutaneous melanomas and surprisingly similar to that of uveal melanoma.
C. Requena, V. Traves, E. Ferrandis, M. Antón Almero, Z. García-Casado, E. Manrique-Silva, Á. Santos Briz, P. Escalonilla, E. Nagore   +8 more
doaj   +1 more source

Malignant blue nevus [PDF]

Cancer, 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, Connelly, J L, Smith
openaire   +2 more sources