Search Results for: perifolliculitis

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

Drug eruptions

…identify a pustular dermatitis a being of drug cause by scrutiny of findings histopathologic alone. Peri-infundibulitis and perifolliculitis A lichenoid drug eruption may have a predilection, rarely, for the infundibulum and follicle, rather than…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…able intervals 15. No spongiosis in infundibular epidermis 15. Spongiosis in infundibula often 16. No peri-infundibulitis or perifolliculitis 16. Peri-infundibulitis and perifolliculitis common 17. No eccrine adenitis 17. Eccrine adenitis sometimes…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…of pressure on it by a plug of cornified cells, the wall no longer is able to contain contents of it, some of which are dispersed into the dermis where they induce suppurative peri-infundibulitis that progresses to granulomatous perifolliculitis

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…nd peri-infundibular foam cells sometimes = Fox-Fordyce disease + No other findings usually and not on a face; granulomatous perifolliculitis if the wall of the infundibulum has been breached = Keratosis pilaris (and its variant, lichen spinulosus)…

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…

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…