A Clinical Atlas of 101 Common Skin Diseases

Neurofibromatosis

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A constellation of lesions that represent disorders of melanocytes (e.g., axillary "freckles" and café au lait "spots") and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma).

A Clinical Atlas of 101 Common Skin Diseases

Neurofibromatosis

A constellation of lesions that represent disorders of melanocytes (e.g., axillary "freckles" and café au lait "spots") and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma). The cutan…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Halo Phenomenon?

“This study supports the concept that the halo nevus should not be regarded as a single clinicopathological entity, but rather that the halo phenomenon occurs in a wide spectrum of nevus types exhibiting a wide spectrum of histological atypia…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Study By Disease

…nthogranuloma (Quiz #680) Neuroendocrine carcinoma (Quiz #730) Neurofibroma (Quiz #527) Neurofibroma (Quiz #528) Neurofibroma (Quiz #529) Neurofibroma (Quiz #674) Nevoid hyperkeratosis of the nipple (Quiz #443) Nevus flammeus (Quiz #416) Nevus of Ito…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…rs have offered alternative names. The terms bizarre cutaneous neurofibroma, Pacinian neurofibroma, neurothekeoma, and myxoid tumor of nerve sheath are synonyms for nerve-sheath myxoma.” Pulitzer DR, Reed RJ. Nerve-sheath myxoma (perineural my…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

“Two forms [of blue nevus] exist, the rare being termed ‘cellular blue naevus.’ In the common variety bipolar and dendritic melanocytes lie singly or in masses in the dermis. . . . The cellular type is composed of the same element…

Dermatology Practical & Conceptual

Melanoma arising in a giant nevus spilus maculosus

Abstract Melanoma arising in a nevus spilus is rare. There are two distinct types of nevus spilus characterized by macular or papular speckles, respectively. We report the case of a melanoma that arose in association with a giant nevus spilus maculo…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

“. . . We conclude that dermatofibromas can very rarely metastasize. Risk factors for metastasis may include relatively large size, high cellularity, and local recurrence. It would appear that metastasizing dermatofibromas behave in an indol…