Search Results for: infundibulum

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…alopecia mucinosa manifestation  Infundibular mucinosis in an infundibulum is distinguished from spongiosis there by the presence of granular basophilic material (mucin) in that epithelium. Some infundibula are dilated and plugged by orthokeratotic a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…sthmus, the stem, and the bulb, all of which reside below the infundibulum. In short, inverted follicular keratosis is a resolving verruca vulgaris usually positioned on a face and associated with squamous eddies, and tricholemmoma is a resolving ver…

Differential Diagnosis in Dermatopathology

Discussions

…g folliculitis, the epithelial channel is formed always by an infundibulum, suppuration is prominent, elastic fibers in the channel are few if present at all, and, as a, rule only a single focus of change pathologic is encountered in a 4.0 millimeter…

Differential Diagnosis in Dermatopathology

Perforating folliculitis vs. Elastosis perforans serpiginosa

Infundibulitis, usually a suppurative inflammatory process that involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus. In contrast, pseud…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…copathologic A comedo is a plug of orthokeratotic cells in an infundibulum dilated considerably by it. A skin-colored papule is a milium, i.e., a tiny infundibular cyst, and a red papule is a comedo or a milium that has ruptured and spewed its conten…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

…ot uncommonly, the actual site of the bite is an ostium of an infundibulum, that structure containing delicacies loved by insects, among them being bacteria, yeasts, mites, and lipids from sebaceous glands, the latter emitting an odor (by virtue of e…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…itchy by virtue of the effects of neutrophils spewed from an infundibulum on nerve endings, the situation occurring mostly in patients on renal dialysis and in some with diabetes, the latter being the circumstance of the patients reported on origina…