Search Results for: spitz-like nevus

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Benign and Malignant Cells?

…st is the recognition that cells of a benign neoplasm may have startlingly large and pleomorphic nuclei, e.g., those of some Spitz nevi and of ancient Miescher’s nevi, and in reverse, cells of some malignant neoplasms may display remarkably…

Histologic Diagnosis of Inflammatory Skin Diseases

Scar

…is of those so-called blue nevi that are associated with “collagenization,” and in the reticular dermis of those Spitz’s nevi and melanomas that are characterized by desmoplasia, which is a synonym for fibroplasia that accompanies…

April 2016 | Volume 6, No. 2

April 2016 | Volume 6, No. 2

…In this issue of Dermatology Practical & Conceptual, Pedrosa et al report on Spitz/Reed nevi in “Spitz/Reed nevi: a review of clinical-dermatoscopic and histological correlation”….

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Spitz’s Nevus, Compound Type Melanoma 1. Symmetric 1. Asymmetric 2. Sharp circumscription 2. Poor circumscription 3. Maturation of melanocytes (decrease in size of aggregations and of nuclei) with descent progressive 3. No maturation with…

Differential Diagnosis in Dermatopathology

Images

…Dermatofibroma Desmoplastic Spitz’s nevus

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphadenosis benigna cutis

…e affected, primary carcinoma must be considered. Tick “bite” and assaults by other arthropods may be identical. Spitz’s nevus often presents itself as a pink, red, or orange papule. Mastocytoma often has a yellow cast and…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Dermatofibroma Desmoplastic Spitz’s nevus 1. Acanthotic epidermis often associated with induction of folliculo-sebaceous units 1. Little or no acanthosis; no induction of folliculo-sebaceous units 2. Epidermis often thinned above the center…

Differential Diagnosis in Dermatopathology

Images

Spitz’s Nevus, Compound Type Melanoma…

Differential Diagnosis in Dermatopathology

Discussions

…inous regions, and of sarcomas (e.g., nodular fasciitis and dermatofibromas with “monster” cells). Reputed look-alikes look less alike when a histopathologist undertakes assessment armed with workable criteria for distinguishing between…