Search Results for: hand-foot-mouth disease

Histologic Diagnosis of Inflammatory Skin Diseases

Junctional epidermolysis bullosa

…tissue, C-shaped plaques that sweep around the angles of the mouth, extracutaneous involvement common, often lethal in the first months of life; a number of subtypes are differentiated from one another on the basis of features clinical. Pyloric atre…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

…n or young adults as deep-situated nodules, especially on 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 granu…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…r dermatitis, as the name denotes, favors the skin around the mouth and around the eyes. Individual lesions are papules and pustules atop a red base; there are no comedones. The condition is but one of many manifestations of rosacea. 4. Eosinophilic…

Differential Diagnosis in Dermatopathology

Urticarial reaction to an arthropod assault vs. Urtica

…les may be centered in follicles (Majocchi’s granuloma). Lesions may occur on any anatomic site, but particularly on the scalp (tinea capitis), inguinal region (tinea cruris), hands (tinea manum), feet (tinea pedis), and nails (onychomycosis)….

Differential Diagnosis in Dermatopathology

Discussions

…light eruption. Biopsy of the hive-like 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Silica granuloma

…ue, they causing rents unavoidable, no matter how skilled the hand. Laboratory confirmation Polarized light reveals particles of silica to be brilliant and doubly refractile. Spectrographic analysis demonstrates the presence of silicon dioxide. Cause…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…neoplasms accompanied by variable quantities of mucin on one hand and large deposits of mucin on the other. Mucin may be manufactured by either cells epithelial or nonepithelial. In epithelial (follicular) mucinosis, for example, it is mostly infund…

Dermatology Practical & Conceptual

Melanoma arising in a giant nevus spilus maculosus

…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 present [3]. Histopathologically, this type of nevus spilus shows…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ted in dermatitis herpetiformis and in linear IgA dermatosis, diseases that are unaccompanied by any sign of vasculitis. 10.58.18A: Vasculitis, small-vessel, neutrophilic + 10.58.18B: Abundant nuclear “dust” of neutrophils and fibrin in t…

Dermatology Practical & Conceptual

Letter to the Editor

…topathologist in his report is irrelevant to me. On the other hand, if the melanoma has hemolymphatic invasion or neurotrophic differentiation, I would be more worried. Only a few histopathological features-whether it is in situ or not, if there is v…