Search Results for: infundibulitis

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…nd Propionibacterium granulosum, are present in sebum and are thought to be important in the pathogenesis of the suppurative infundibulitis of acne vulgaris. Although sebaceous glands are apparent readily in sections of tissue of newborn skin, they…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…emplar, parakeratosis is accompanied mostly by a thinned or absent granular zone. 10.82.6A: Perivascular dermatitis and peri-infundibulitis + 10.82.6B: Widely dilated infundibula plugged by orthokeratotic and parakeratotic cells arranged in fashion…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…g present here. Perifolliculitis is common in lichen striatus. 10.61.5A: Perivascular dermatitis, patchy lichenoid, and peri-infundibulitis, lichenoid + 10.61.5B: Predominance of lymphocytes = Lichen striatus Because a lesion of lichen striatus…

From the Dermatologikum Hamburg: Quiz

From the Dermatologikum Hamburg: Quiz

…ed stage of the disease, and it is not clear to date what early lesions looked like, i.e., whether pustulation started as an infundibulitis or within surface epidermis. A broad variety of events have been documented to evoke erosive pustular…

Histologic Diagnosis of Inflammatory Skin Diseases

Infundibulofolliculitis, disseminate and recurrent

…of follicles Individual lesions Pinpoint skin-colored papules Course Protracted Differential diagnosis clinical Suppurative infundibulitis differs because the basic lesion is a pustule. Findings histopathologic Fully developed Superficial…

Histologic Diagnosis of Inflammatory Skin Diseases

Incontinentia pigmenti

…sis. Unlike incontinentia pigmenti, erythema toxicum neonatorum is not a spongiotic dermatitis; it seems to be a suppurative infundibulitis that houses countless eosinophils, akin to eosinophilic pustular folliculitis of HIV and Ofuji’s…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…not localized to the trunk, but favor sites exposed and often present themselves as papulovesicles and vesicles. Suppurative infundibulitis is characterized by pustules that are pierced by a hair. Scabies favors webs and may be associated with…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…llenge in differential 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…