Search Results for: comedo

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…t of the arms, and upper part of the trunk Individual lesions Comedones, papules, pustules, nodules, cysts, scars Course Usually subsides after puberty but, occasionally, persists for decades Variations clinical 1. Comedonal, papular, pustular, and c…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…anied by tiny erosions or crusts. Also encountered often were comedo-like lesions. Keratotic papules and plaques could be discrete or, by way of confluence of them, form linear or netlike shapes. Findings histopathologic were those of a lichenoid der…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…en (epithelial mucinosis of “alopecia mucinosis”) Comedo-like plugs of infundibula sometimes Eosinophils in the interstitium of the reticular dermis, at times many of them Eosinophils sometimes present in infundibular epidermis Involvemen…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…iomatous hamartoma Syringofibroadenoma or acrosyringeal nevus Comedo nevus of the palm, linear eccrine nevus with comedone, porokeratotic eccrine ostial nevus or porokeratotic eccrine duct and hair follicle nevus. Eccrine adenoma Eccrine hidrocystoma…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…h it. The clinical features common to all three are: multiple comedo formation, abscesses with communicating channels, discharging sinuses, and healing with a marked tendency toward hypertrophic or keloidal scars. Furthermore, two or more of these di…

Histologic Diagnosis of Inflammatory Skin Diseases

Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the desi…

Differential Diagnosis in Dermatopathology

Discussions

…ly on the face and upper part of the trunk. Not uncommonly, a comedo marks the center of them. They are slow-growing, round, and moderately firm orbs. On gross sectioning, a rancid odor is emitted as a consequence of the effects of bacteria on the se…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…xanthoma (sclerosing hemangioma type) of leg associated with comedo. Missouri Med 1947;44:594–596. Tamada S, Ackerman AB. Dermatofibroma with monster cells. Am J Dermatopathol 1987;9:380–387. Traub EF, Monash S. Dermatofibroma, report of cases. Arch…