Search Results for: palmo-plantar nevi

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…ing melanocytic nevus, but the nevus itself is not malignant. Melanomas arise episodically in association with Clark’s nevi, rarely with Spitz nevi, and exceedingly rarely in Ota’s nevi. In short, a blue nevus is never malignant,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Precursor Lesions of Melanoma?

…ged evolution of a lentigo maligna. J Am Acad Dermatol 2004 Nov;51(5):830-5. What do lentigo maligna, congenital melanocytic nevi, nevi with architectural and cytologic atypia (dysplastic nevi), and acral and mucosal lentiginous melanocytic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Normal, Typical, Ordinary, Banal, and Common Nevus?

…itsas R, et al. The early and intermediate precursor lesions of tumor progression in the melanocytic system: common acquired nevi and atypical (dysplastic) nevi. Semin Diag Pathol 1993;10:18-35. “The present study was undertaken to answer the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dysplasia?

…anocytic system: common acquired nevi and atypical (dysplastic) nevi. Semin Diag Pathol 1993: 10:18-35 “Although Spitz nevi, congenital nevi, and pigmented spindle cell nevi may d display cytologic and architectural atypia, dysplastic nevi

Strategies for early recognition of cutaneous melanoma-present and future

Strategies for early recognition of cutaneous melanoma-present and future

…ple brown spots. A rare growth variant of cutaneous melanoma, the acral-lentiginous melanoma (ALM, Figure 4) is localized in palmoplantar skin but may also involve the nail unit. ALM represents the most common growth variant in dark-skinned (e.g.,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

…ressive descent into the dermis (both in terms of size of nests and size of nuclei) and nuclei of melanocytes monomorphic in nevi (except for Spitz nevi and ancient Miescher’s nevi), in contrast to nuclei of melanocytes in melanomas that tend…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…to metastasize—and often does. Benign proliferations of melanocytes are termed melanocytic nevi (congenital melanocytic nevi are hamartomas, whereas acquired melanocytic nevi, such as those of Clark, Spitz, and Reed, are benign neoplasms), and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…incott, 1990:580. “Three types of nevi are distinguished: pigment cell nevi, nevocytic (or nevocellular or nevus cell) nevi, and organoid nevi.” Braun-Falco O, Plewig G, Wolff HH, et al. Nevi. In: Dermatology. Berlin, Germany:…