A Clinical Atlas of 101 Common Skin Diseases

Verrucae

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

A Clinical Atlas of 101 Common Skin Diseases

Basal Cell Carcinoma

A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceous-apocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated. On the basis of clin…

Histologic Diagnosis of Inflammatory Skin Diseases

Apocrine Units

Apocrine units in humans are found in the axillae, areolae, periumbilical region, perineal and circumanal areas, prepuce, scrotum, mons pubis, labia minora, and external auditory canals (ceruminous glands), and on the eyelids (Moll’s glands)….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine, Apocrine, and Apoeccrine Sweat Glands?

…e been “pinched off,” a phenomenon that has earned apocrine secretion the synonymous designation “decapitation secretion.” Apocrine glands are not distributed universally in the skin, they being found only at certain sites, na…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apocrine Miliaria?

…e disturbances arising from the retention and extravasation of apocrine sweat. Accordingly, we suggest the name apocrine miliaria for Fox-Fordyce disease. Apocrine miliaria is the apocrine analogue to [sic] miliaria rubra, since both have the prime d…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…d “folliculo-” appear often in titles of cutaneous hamartomas and neoplasms. To comprehend the meaning of those designations, it is requisite to understand what, precisely, is intended by pilo, tricho, and folliculo. Pilo- and tricho- are…

Differential Diagnosis in Dermatopathology

Apocrine (clear-cell) hidradenoma vs. Eccrine (poroid) hidradenoma

A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceous-apocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated. On the basis of clin…

A Clinical Atlas of 101 Common Skin Diseases

Preface

…the contents are more inclusive, to wit, alopecias, cysts and cystic hamartomas, drug eruptions, sclerodermas, viral exanthems, amyloidosis, atypical mycobacterial infections, deep fungal infections, epidermal nevi, connective tissue nevi, epidermol…

A Clinical Atlas of 101 Common Skin Diseases

Squamous Cell Carcinoma

A malignant neoplasm of keratinocytes that when present as a keratotic macule or papule on skin damaged badly by sunlight is referred to as solar keratosis. When present as a plaque it is termed Bowen’s disease, and when present as many papule…