Search Results for: hyperplasia

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…

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…

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


…es well differentiated squamous cell carcinoma, it has also been called verrucoid epidermal hyperplasia, pseudocarcinomatous hyperplasia and carcinomatoid hyperplasia.” Kao GF. Benign tumors of the epidermis. In: Farmer ER, Hood AF, eds….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…eous lobules clustered around sebaceous ducts that enter a crater formed by contiguous, dilated infundibula. Sebaceous gland hyperplasia is a true hyperplasia because the condition often involutes in the absence of therapy. Sebaceous adenoma is…

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…phils. Laboratory confirmation Peripheral eosinophilia is noted. Cause and mechanism Both are unknown. Comment Angiolymphoid hyperplasia with eosinophilia is reputed by some authors to be synonymous with Kimura’s disease. In actuality, that is…

Differential Diagnosis in Dermatopathology


…are the sine qua non for diagnosis of Kimura’s disease, they are present in fewer than 10% of lesions of angiolymphoid hyperplasia. Although there are similarities clinical between angiolymphoid hyperplasia and Kimura’s disease, there…