Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…a modifier that gives specificity to it, e.g., elastic tissue nevus, nevus comedonicus, nevus anemicus, and Masson’s blue neuronevus. There is no place for the erroneous concept of nevus cells. The cells that constitute melanocytic nevi are me…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…g, balderdash, and just plain hogwash. Those who are advocates of the misguided concept of “atypical Spitz’s nevus” tend to be proponents, too, of the idea of “atypical blue nevus,” it having proclivity to metastasize (t…

Therapeutic Strategies in Dermatology

Pediculosis (Lice): Initial Evaluation

…this image) or maculae ceruleans (slate-blue macules) on areas of skin that come in contact with the hair. The eggs of head lice are highly monomorphous ovoid structures that are firmly attached to the hair shaft via a white concretion such that t…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Principles of Seborrheic Dermatitis Management

…therapy is not adequate. Topical antifungals are the mainstay of the treatment of seborrheic dermatitis. First-line treatment: Topical ketoconazole 2% shampoo such as Nizoral (scalp), cream or gel such as Xolegel (face). Topical antifungal agents a…

Therapeutic Strategies in Dermatology

Borreliosis (Lyme Disease): Initial Evaluation

…itis chronica atrophicans These lesions may occur at the sites of prior erythema chronicum migrans. Atrophic epidermis is the hallmark. Sclerodermatous changes, with thickening and dermal induration, may also occur. Single or multiple blue-to-violace…

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

Melanoma and satellite blue papule

…was then asked for its onset and evolution. He remembered this blue lesion for 75 years. The diagnosis of common blue nevus was also considered. The patient added that the papule followed local skin injuries from a grenade explosion during the II Wor…

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…