Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apocrine Miliaria?

…of sweat retention dermatoses which bear the generic title of miliaria. Up to now, miliaria has been related solely to the eccrine sweat gland, but it would seem necessary to expand the concept of miliaria to include disturbances arising from the re…

Histologic Diagnosis of Inflammatory Skin Diseases

Miliaria rubra

Miliaria rubra Presentation stereotypical Age and sex Any age, but children especially, and either sex Distribution of lesions Localized or widespread; antecubital and popliteal fossae, trunk, abdomen, and inframammary and inguinal regions Individua…

Histologic Diagnosis of Inflammatory Skin Diseases

Miliaria crystallina

…at it takes to form a new stratum corneum Variations clinical Miliaria crystalline (superficial miliaria, sudamina) Miliaria rubra (prickley heat, heat rash) Miliaria profunda Differential diagnosis clinical “Id” reactions are associat…

Histologic Diagnosis of Inflammatory Skin Diseases

Miliaria

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…ompels that it fulfills criteria for necrosis. Error: Apocrine miliaria is an analogue of eccrine miliaria. Reason: So-called apocrine miliaria is a synonym for Fox-Fordyce disease, which, like eccrine miliaria, is affiliated with spongiosis in acros…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Subcorneal Blistering Diseases?

…pustular dermatoses Acute generalized exanthematous pustulosis Miliaria crystallina” Weedon D. An approach to the interpretation of skin biopsies. In: Weedon D, ed. Skin Pathology, 2nd ed. Edinburgh: Churchill Livingstone, 2002:20. “In…

Histologic Diagnosis of Inflammatory Skin Diseases

Impetigo contagiosa

…ilar exists between attributes clinical and histopathologic in miliaria crystallina. Clinically, vesicles of that particular expression of miliaria are clear as crystal, yet on examination histopathologic, numerous neutrophils are scattered in tense…

Histologic Diagnosis of Inflammatory Skin Diseases

Fox-Fordyce disease

…ct. Fox-Fordyce disease should not be conceived of as apocrine miliaria because it is not at all analogous to eccrine miliaria. Neither should Fox-Fordyce disease be regarded as simple spongiotic dermatitis centered at infundibular epidermis; at time…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

Neutrophils, eosinophils, lymphocytes, plasma cells, and histiocytes are called inflammatory cells because they enter tissue during the process of inflammation. A more exact designation for them is “cells of an inflammatory process”; the…

Histologic Diagnosis of Inflammatory Skin Diseases

Silica granuloma

Silica granuloma Presentation stereotypical Age and sex No predilection Distribution of lesions On exposed sites usually Individual lesions Papules and nodules Course Protracted because the foreign body persists in the skin Findings histopathologic…