Search Results for: infundibulum

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…with neutrophils, ruptured. The incipient granulomatous inflammation represents a foreign body reaction to contents of that infundibulum. 10.38.2A: Pustular dermatitis, infundibular + 10.38.2B: A hair in the center of an abscess = Suppurative…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…8221; “peri-infundibulosis,” and “perifolliculosis” + 11.14.11B: Lymphocytes in the dermis and in an infundibulum replete with mucin = Mycosis fungoides, alopecia mucinosa expression Epithelial mucinosis is the sine qua non…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…and the latter by no infiltrate of lymphocytes extending along the stem and the bulb of a follicle, by fibrosis between the infundibulum and the lichenoid infiltrate of lymphocytes, and by fibrous tracks widened by markedly thickened collagen…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…c pustular folliculitis/papular eruption of HIV The scale-crust is situated at a site where a pustule, housed at first in an infundibulum, had been scratched, a discrete ulcer marking that spot. The perivascular and interstitial infiltrate is…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…nd of a follicle well advanced in catagen (the appearance of those two epithelia being identical), but also like that of the infundibulum of epidermis, the infundibulum and isthmus being in continuity normally. In short, cutaneous cysts, cystic…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…20;suppurative folliculitis” (even if that term is not correct precisely) is extension directly of suppuration from an infundibulum to a follicle seated immediately beneath and in continuity with it, the parts of a true follicle, from top to…

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

…(H&E) Crowded solitary and nested confluent atypical melanocytes within the ulcerated and crusted surface epidermis and infundibulum overlying dermal severe solar elastosis, patchy lymphocytes and numerous melanophages. (D) Melan A outlines…