Dermoscopic appearance of an amelanotic mucosal melanoma
نویسندگان
چکیده
منابع مشابه
Dermoscopic appearance of an amelanotic mucosal melanoma
BACKGROUND Hypomelanotic or amelanotic melanomas are challenging to identify, especially at mucosal sites. The dermoscopic clues to the diagnosis of mucosal melanomas have been reported to be structureless zones with the presence of blue, gray, or white colors. CASE A female in her seventies noted a new lesion on the inside of her right labia that first appeared two months prior. Her past med...
متن کاملDermoscopic evaluation of amelanotic and hypomelanotic melanoma.
OBJECTIVE To determine the predictive dermoscopic features of amelanotic and hypomelanotic melanoma. DESIGN A total of 105 melanomas (median Breslow thickness, 0.76 mm), 170 benign melanocytic lesions, and 222 nonmelanocytic lesions lacking significant pigment (amelanotic, partially pigmented, and light colored) were imaged using glass-plate dermoscopy devices and scored for 99 dermoscopic fe...
متن کاملAn amelanotic variant of B16 malignant melanoma.
MATERIALS AND METHODS Murine malignant melanoma (B16) cells tolerant to 10 and 30 pg of BrdU per ml were maintained for more than one year in culture medium lacking the analog. The analog-containing environment was also eliminated by the injection of cells at several subcultures into host animals. Cells withdrawn from BrdU retained the enlarged, flattened, nonpigmented morphology that is charac...
متن کاملDermoscopic clues in the diagnosis of amelanotic and hypomelanotic malignant melanoma*
The clinical identification of amelanotic malignant melanoma (AMM) and hypomelanotic malignant melanoma (HMM) becomes difficult due to the lack of pigmentation and to the diverse clinical presentations. Dermoscopy is very useful in these cases, increasing the level of suspicion of malignancy. We report 4 cases of amelanotic malignant melanoma and hypomelanotic malignant melanoma with characteri...
متن کاملAmelanotic malignant melanoma in an acral location.
We present the case of a 74-year-old white female admitted to the Department of Dermatology because of a tumor in the IV-V interdigital area of her right foot. A crimson, dome-shaped tumor with a granular, spongy surface (diameter 4 cm) had developed over a period of about 3 months. The biopsy, stained with H and E, revealed an anaplastic malignant tumor. Additional immunochemical staining with...
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ژورنال
عنوان ژورنال: Dermatology Practical & Conceptual
سال: 2016
ISSN: 2160-9381
DOI: 10.5826/dpc.0604a05