Search Results for: hand-foot-mouth disease

Histologic Diagnosis of Inflammatory Skin Diseases

Junctional epidermolysis bullosa

…um admixed with neutrophils and erythrocytes. Differential diagnosis histopathologic Other cell-poor subepidermal blistering diseases, such as a suction blister, cell-poor pemphigoid, and one expression of acquired epidermolysis bullosa; all of…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…93. Laude TA, Salvemini JN. Perioral dermatitis in children. Semin Cutan Med Surg 1999;18(3):206–9. Ormsby OS, Montgomery H. Diseases of the Skin. Philadelphia: Lea & Febiger, 1954. Pusey WA. The Principles and Practice of Dermatology. New York:…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

…the hands and buttocks, and in the pretibial region. Perforating granuloma annulare presents itself usually on the dorsa of hands as tiny umbilicated papules topped by crusts. Widespread granuloma annulare consists of innumerable 2 to 5 mm papules…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…ubject, it is worth emphasizing two aspects of import, namely, the difference between infundibulitis and folliculitis on one hand and sebaceous secretion and sebum on the other. Acne vulgaris, when pustular, is a suppurative infundibulitis, not a…

Differential Diagnosis in Dermatopathology

Urticarial reaction to an arthropod assault vs. Urtica

An inflammatory process in which lesions may erupt (pityriasis lichenoides et varioliformis acuta) and evolve rapidly from erythematous macules and papules to become purpuric papules, papulovesicles that may be hemorrhagic, ulcers, eschars, and,…

Differential Diagnosis in Dermatopathology

Discussions

…ke lesions in those four diseases produces a specimen from which sections of tissue display changes diagnostic of a specific disease, ones very different from findings in urtica. Subtle differences histopathologic exist among responses to…

Histologic Diagnosis of Inflammatory Skin Diseases

Silica granuloma

…chnician are a clue to foreign bodies being present in the tissue, they causing rents unavoidable, no matter how skilled the hand. Laboratory confirmation Polarized light reveals particles of silica to be brilliant and doubly refractile….

Melanoma arising in a giant nevus spilus maculosus

Melanoma arising in a giant nevus spilus maculosus

…f melanocytes, but the biopsy was relatively small and sampling error cannot be excluded. Papular nevus spilus, on the other hand, is characterized by dark brown papules or nodules on a light-brown background, although small dark spots may also be…

Differential Diagnosis in Dermatopathology

Apocrine mixed tumor vs. Eccrine mixed tumor

An inflammatory process in which lesions may erupt (pityriasis lichenoides et varioliformis acuta) and evolve rapidly from erythematous macules and papules to become purpuric papules, papulovesicles that may be hemorrhagic, ulcers, eschars, and,…