Search Results for: perifolliculitis

Differential Diagnosis in Dermatopathology

Discussions

…cne keloidalis is acne conglobata localized to the nape, the changes, clinical and histopathologic, being just like those of perifolliculitis abscendens et suffodiens, known also, and erroneously, as dissecting cellulites of the scalp, and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…lesions were claimed to be an interface dermatitis with predominance of lymphocytes and histiocytes, one was reputed to be a perifolliculitis, and still others were purported to be spongiotic dermatitis. In summary, the findings histopathologic…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…ial diagnosis of lichen planopilaris is traction alopecia, which also presents itself as a lichenoid peri-infundibulitis and perifolliculitis of lymphocytes and ends with alopecia that is permanent. As a rule, the bandlike infiltrate of lymphocytes…

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

A disease of infundibulosebaceous units, especially infundibula, that may manifest itself solely as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…ogether. 2. Conglobate acne: The triad of acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp (perifolliculitis capitis abscedens et suffodiens) consists of large abscesses that take the form of nodules associated often…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…opathologic of trichotillomania. Traction alopecia is an inflammatory disease; it exhibits lichenoid peri-infundibulitis and perifolliculitis “early” in its course; trichotillomania, by contrast, is not an inflammatory disease….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudopelade?

“In October, 1888, we presented a review of folliculitis and perifolliculitis decalvans at the Soci?t? m?dicale des h?pitaux, and, at this moment, we have nothing to add; there are three principal clinical types related in some way to one…

Differential Diagnosis in Dermatopathology

Discussions

…ologic of lichen striatus also includes secondary syphilis. Lichen striatus often is associated with peri-infundibilitis and perifolliculitis, eccrine adenitis, and edema of the papillary dermis, three findings that are not present in lichen…