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An acral nevus is a cutaneous condition of the palms, soles, fingers, or toes (peripheral body parts), characterized by a skin lesion that is usually macular or only slightly elevated, and may display a uniform brown or dark brown color, often with linear striations. [1]: 1726. Acral nevi may occur in all ethnic groups, but are more common in ...
An epithelioid blue nevus is a cutaneous condition most commonly seen in patients with the Carney complex. [7]: 701 A deep penetrating nevus is a type of benign melanocytic skin tumor characterized, as its name suggests, by penetration into the deep dermis and/or subcutis. Smudged chromatic is a typical finding.
Nevus. Nevus (pl.: nevi) is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. [1] The term originates from nævus, which is Latin for "birthmark"; however, a nevus can be either congenital (present at birth) or acquired. Common terms, including mole, birthmark, and beauty mark, are used to describe ...
Junctional, intradermal, and compound. A benign melanocytic nevus is a cutaneous condition characterised by well-circumscribed, pigmented, round or ovoid lesions, generally measuring from 2 to 6 mm in diameter. [1] A benign melanocytic nevus may feature hair or pigmentation as well.
Polypoid melanoma. Polypoid melanoma of the left ear in 83-year old woman. Specialty. Dermatology / Oncology. Polypoid melanoma is a rare cutaneous condition, a virulent variant of nodular melanoma. [1]: 696 Polypoid melanoma is a subtype of nodular melanoma, the most aggressive form of melanoma (a skin cancer). [2]
H&E stain. A dysplastic nevus or atypical mole is a nevus (mole) whose appearance is different from that of common moles. In 1992, the NIH recommended that the term "dysplastic nevus" be avoided in favor of the term "atypical mole". [1] An atypical mole may also be referred to as an atypical melanocytic nevus, [2] atypical nevus, B-K mole ...
Melanocytic tumors of uncertain malignant potential. Melanocytic tumors of uncertain malignant potential (MELTUMP) are melanocytic lesions in the dermis that cannot be classified by morphology as either benign naevi (moles) or malignant melanomas because the mass shows features of both. Several lesion types may be classified as MELTUMPs: these ...
Ocular melanosis (OM) is a blue-gray and/or brown lesion of the conjunctiva that can be separated into benign conjunctival epithelial melanosis (BCEM) and primary acquired melanosis (PAM), of which the latter is considered a risk factor for uveal melanoma. [1] The disease is caused by an increase of melanocytes in the iris, choroid, and ...