Search Results for: keratoacanthoma

A Clinical Atlas of 101 Common Skin Diseases

Molluscum Contagiosum

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny…

A Clinical Atlas of 101 Common Skin Diseases

Verrucae

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e.,…

Differential Diagnosis in Dermatopathology

Discussions

…ular epidermis in keratoacanthoma. At higher magnification, warts have less nuclear atypia and fewer mitotic figures than do keratoacanthomas. Keratoacanthomas tend to have more abundant pale-staining cytoplasm than do verrucae. Clinically, warts…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

…n-Falco O, Plewig G, Wolff HH, et al. Pseudocanceroses. In: Dermatology. Berlin, Germany: Springer-Verlag, 1991:1012. “Keratoacanthoma (KA) is a special lesion, a pseudocancer, occurring as an isolated nodule, usually on the face, and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Study By Disease

…16) Keloid (Quiz #181) Keloid (Quiz #182) Keloid (Quiz #517) Keloid (Quiz #722) Keratoacanthomatous squamous-cell carcinoma (keratoacanthoma) (Quiz #141) Keratoacanthomatous squamous-cell carcinoma (keratoacanthoma) (Quiz #142) Keratoacanthomatous…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…-3. “We describe a 72-year-old woman with a 13-year history of a lichenoid dermatitis, who developed multiple, papular keratoacanthoma (KA)-like lesions and few crater-like nodules on the extremities over a period of 6 months before our…