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Updated: May 4, 2026

A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
An amelanotic malignant melanoma of the lip: unusual shape and atypical location
Hyun C Park, Ho S Kang, Joung S Kim1
1Department of Dermatology, Hanyang University Guri Hospital, Guri, Gyeonggi-do, 471-701, Korea. tuentuen@hanyang.ac.kr.
Abstract:
Amelanotic malignant melanoma (AMM) is characterized by little or no visible pigment. The diagnosis of AMM is a challenge for clinicians because it is a rare entity that presents with various clinical features. We describe a case of AMM on the lower lip in a 63-year-woman, which manifested as an erythematous mass that resembled grouped papules.
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