Search Results for: clark\\'s nevus

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…d, nevus pertains to a birthmark, i.e., a hamartoma. The word nevus in dermatology, however, is not used simply as a synonym for birthmark. It also is applied to a particular acquired proliferation of melanocytes known as a melanocytic nevus, e.g., C…

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…

Dermatology Practical & Conceptual

The so-called dysplastic nevus is not dysplastic at all

…he authors underestimated the ramification of continuing the use of an inappropriate term. Historically, the introduction of the term dysplastic nevus was based on an assumption, which has been found to be incorrect. Clark and coworkers believed in t…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

“A nevus (mole) is a benign neoplasm of pigment-forming cells, the nevus cell.” Lookingbill DP, Marks JG Jr. Principles of clinical diagnosis. In: Moschella SL, Hurley HJ, eds. Dermatology. 3rd ed. Philadelphia, PA: WB Saunders Co., 199…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…cytic nevi are hamartomas, whereas acquired melanocytic nevi, such as those of Clark, Spitz, and Reed, are benign neoplasms), and they, of course, do not metastasize. Some melanomas begin in association with a preexisting nevus, especially superficia…

Dermatology Practical & Conceptual

Blue nevus with a starburst pattern on dermoscopy

Abstract An 11-year-old girl presented to our department with a blue-gray papule approximately 4 mm in diameter. We suspected that it was a blue nevus or a pigmented Reed/Spitz nevus. On dermoscopic observation, the lesion showed homogeneous black-b…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

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

…us,” that extraordinarily common benign melanocytic nevus has been contrasted invariably with “common nevus.” Not only are dysplastic and common not contrasting (common versus uncommon) but, paradoxically, so-called dysplastic (Clar…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

Nevus sebaceus may be ‘programmed’ for or susceptible to the eventual development of a variety of neoplasms that generally occur in adulthood. The most common of these is basal cell carcinoma, which develops in 5% to 7% of the le…