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Article

Amelanotic Malignant Melanoma with a BRAF V600E Mutation Mimicking Primary Lung Cancer.

Internal medicine (Tokyo, Japan) - 1 Mar 2022

Matsuzawa Reiko, Morise Masahiro, Tanaka Ichidai, Hayai Shunsaku, Tamiya Yutaro, Koyama Junji, Hase Tetsunari, Wakahara Keiko, Kim Deoksu, Shimoyama Yoshie, Hashimoto Naozumi

Abstract excerpt

Amelanotic melanoma is a rare type of melanoma that shows little or no melanin pigmentation. When tumor lesions are not detected in cutaneous sites, the presence of melanin is the hallmark sign of malignant melanoma. We herein report a case of amelanotic melanoma with a BRAF V600E mutation mimicking primary lung cancer that was finally diagnosed on an autopsy. The current case suggests important caveats for the...

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Identifiers

PMID: 34433708
DOI: 10.2169/internalmedicine.6657-20
PMCID: PMC8943366

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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