Search Results for: perifolliculitis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…pression of lichen planus. 10.60.13A: Peri-infundibulitis and perifolliculitis, fibrosing + 10.60.13B: Lichenoid infiltrate of lymphocytes and clefts between the infiltrate and the thinned infundibula and follicles = Lichen planopilaris  In addition…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…to consist of acne conglobata, hidradenitis suppurativa, and perifolliculitis capitis abscedens et suffodiens (dissecting cellulitis of the scalp). Those three inflammatory conditions are claimed to be centered about hair follicles, but, in actualit…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…suppurative, inflammation. 10.37.7A: Peri-infundibulitis and perifolliculitis, granulomatous + 10.37.7B: Lymphocytes around collections of histiocytes contiguous with a thinned infundibulum = Suppurative infundibulitis of unknown cause, resolving Th…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.3.1A: Perifolliculitis (peribulbitis), lymphocytic + 10.3.1B: Infiltrates around the lower part of a follicle, i.e., the bulb, and each follicle being in the same stage of devolution = Alopecia areata In addition to lymphocytes and melanop…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…g through the “soft” outer sheath and to initiate perifolliculitis, which, in turn, leads in time to permanent alopecia. In brief, the absence of an inner sheath as a result of premature desquamation of it is reputed to be the basis for s…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…10.25.3A: Perivascular dermatitis, interface, lichenoid, and perifolliculitis, lymphocytic + 10.25.3B: Subepidermal space, thin epidermis with a jagged base, focal hypergranulosis, and orthokeratosis = Drug eruption This lichenoid dermatitis and per…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…ort distance into the isthmus. What usually is referred to as perifolliculitis really is peri-infundibulitis, affecting as it does the infundibulum mostly. At times, however, infiltrates of inflammatory cells not only surround the infundibulum, but e…

Histologic Diagnosis of Inflammatory Skin Diseases

Majocchi’s granuloma

Majocchi’s granuloma Synonyms Nodular granulomatous perifolliculitis Tinea der unterschenkel Perifollicular granuloma Trichophytic granuloma Comment The term “Majocchi’s granuloma” is misleading because it implies that the pr…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Pustular Dermatitis

…olliculitis,” linked in the two editions past to “perifolliculitis,” is presented here as “pustular dermatitis,” testimony to the awareness now that pustules may form in both surface and infundibular epidermis, but never…