Dermatology Practical & Conceptual

The so-called dysplastic nevus is not dysplastic at all

…ly, clinically and molecularly, that the so-called dysplastic nevus is a type of melanocytic nevus and should be managed like other types of melanocytic nevi [1,2]. This reinforces the notion set forth by the late Bernie Ackerman, who asserted more 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., 19…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

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

…that is fairly closely bound. Most of the cells are exactly alike and very few, if any, nevus cells are observed to divide. Mole cells are commonly found close to the surface of the skin, sometimes nesting in parts of the epidermis.” http://w…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…hat the majority of cases of basal cell carcinomas arising in nevus sebaceus are more accurately classified as benign trichoblastoma-like lesions, although authentic basal cell carcinoma is occasionally seen.” McKee PH, Calonje E, Granter SR. P…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

Lichen planus-like keratosis Presentation stereotypical Age and sex Older individuals bombarded by rays of the sun for many years Distribution of lesions Sun-exposed sites, especially the chest and shoulders Configuration of lesions Round Individual…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

…y far than “borderline melanoma,” “atypical Spitz’s nevus,” “MELTUMP,” and “SAMPUS”! “Active Junctional Nevus, designated ‘active’ because of the atypia of the pleomorphic hyper…