Search Results for: peri-infundibulitis

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Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ed usually in a 4 mm biopsy specimen 2. Suppurative infundibulitis prominent 2. Suppurative infundibulitis and granulomatous periinfundibulitis prominent 3. Periinfundibulitis not consequential 3. Periinfundibulitis often predominant 4. No…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…t challenge in differential diagnosis of lichen planopilaris is traction alopecia, which also presents itself as a lichenoid periinfundibulitis and perifolliculitis of lymphocytes and ends with alopecia that is permanent. As a rule, the bandlike…

Differential Diagnosis in Dermatopathology

Discussions

…ar, yet fundamentally different, conditions turns on the fact that acne vulgaris essentially is an infundibulitis, and not a periinfundibulitis, whereas rosacea is both an infundibulitis and a periinfundibulitis. Granulomatous inflammation is…

Differential Diagnosis in Dermatopathology

Study By Disease

…ve folliculitis (Quiz #811) Suppurative folliculitis (Quiz #814) Suppurative folliculitis (furuncle) (Quiz #812) Suppurative infundibulitis (Quiz #665) Suppurative infundibulitis in a patient with Crohn’s disease (Quiz #897) Suppurative…

Histologic Diagnosis of Inflammatory Skin Diseases

Elastosis perforans serpiginosa

…follicularis et parafollicularis in cutem penetrans” and which probably is nothing other than a widespread suppurative infundibulitis that persists and becomes complicated by rubbing in the form of prurigo nodularis, analogous to what develops…

Histologic Diagnosis of Inflammatory Skin Diseases

Reactive perforating collagenosis

…purative infundibulitis unrelated to trauma. Acquired perforating disorder of renal disease/diabetes begins as a suppurative infundibulitis and ends as picker’s nodules; severe pruritus brought about by the effects of the suppurative…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…s, focal hypergranulosis, slight spongiosis, lymphocytes and sometimes histiocytes along the dermoepidermal interface, and a perivascular and periadnexal infiltrate of lymphocytes = Lichen striatus + Orthokeratosis, thin epidermis at least focally,…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…which is the finding dominant now. 10.38.4A: Pustular dermatitis, infundibular + 10.38.4B: Granulomatous inflammation at the periphery of an abscess that harbors many squames = Suppurative granulomatous infundibulitis of unknown cause All the…

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