A Clinical Atlas of 101 Common Skin Diseases

Molluscum Contagiosum

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny ma…

A Clinical Atlas of 101 Common Skin Diseases

Pyogenic Granuloma

A red, often ulcerated, boggy papule that represents a hyperplasia of small cutaneous vessels which are “fed” by an arteriole in the subcutaneous fat, the lesion resulting consistently from external trauma, usually in the form of a punct…

A Clinical Atlas of 101 Common Skin Diseases

Kaposi’s Sarcoma

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells….

A Clinical Atlas of 101 Common Skin Diseases

Hemangiomas, Vascular Malformations, and Ectasias

An hemangioma is a benign neoplasm of blood vessels, a vascular malformation is an aberration in development of one or more major vascular structures, and an ectasia is a dilation of a preexisting end vessel….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

…tological substrate is that of pseudocarcinomatous epithelial hyperplasia with inflammation. The following diseases are so-called pseudocanceroses: Papillomatosis cutis carcinoides Florid oral papillomatosis Epithelioma cuniculatum Condyloma acuminat…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…l pathology, and dermatopathology consists of sebaceous gland hyperplasia, sebaceous adenoma, sebaceous epithelioma, and sebaceous carcinoma. It is easy to define sebaceous gland hyperplasia, sebaceous adenoma, and sebaceous carcinoma histopathologic…

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…a cutis, known, too, as pseudolymphoma and cutaneous lymphoid hyperplasia, also may display lymphoid follicles, but those usually are situated in the dermis mostly (and, episodically, in the upper part of the subcutaneous fat) and are not associated…

Differential Diagnosis in Dermatopathology

Discussions

…“Kimura’s disease” and “angiolymphoid hyperplasia with eosinophilia” as synonyms. In truth, these two diseases are different in nearly every respect and they are unrelated entirely to one another. Contrasting them in a w…