Search Results for: infundibulum

Differential Diagnosis in Dermatopathology

Discussions

…uration is common in papules of acne vulgaris where large abscesses in the dermis are accompanied by evidences of a ruptured infundibulum. In rosacea, there are no large abscesses, only small ones, which reflect leakage of contents of infundibula…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…pism, in the popular mind of dermatologists and pathologists, that phenomenon pertained solely to surface epidermis. But the infundibulum is just as much epidermis as is surface epidermis, the two having the very same appearance histopathologic;…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma faciale

…condition does not affect the face with its many vellus follicles, each producing a hair which emerges from an ostium of an infundibulum. Differential diagnosis histopathologic Erythema elevatum diutinum, for purposes practical, is identical with…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…ing folliculitis” (all suppurative infundibulitides, if exuberant sufficiently, “perforate” the wall of an infundibulum, resulting in neutrophils and other infundibular contents being spewed into the dermis) complicated by the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…titial dermatitis, lymphocytes predominant + 10.44.12B: A focus of acantholytic dyskeratotic cells in the spinous zone of an infundibulum = Grover’s disease As a rule, Grover’s disease, like Darier’s disease, has no predilection…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…he skin. They are derived from the sebaceous gland, which begins its development as a bulge or collar at the junction of the infundibulum and isthmus of the hair follicle.” Weedon D. Skin Pathology. London: Churchill Livingstone, 2002….

Differential Diagnosis in Dermatopathology

Discussions

…form of a puncture wound and or an arthropod (especially mosquito) “bite,” but sometimes secondary to a ruptured infundibulum or an infundibular cyst. Therefore, the term dermatofibrosis describes the lesion more aptly, conveying as it…