A Clinical Atlas of 101 Common Skin Diseases

Fibrous Papule of the Face and Analogues of It

A hamartoma of mostly follicular elements that presents itself clinically as a firm, skin-colored papule. It usually occurs on the nose, but it can occur anywhere on the face. When solitary, or few, the lesion is termed “fibrous papule,” b…

A Clinical Atlas of 101 Common Skin Diseases

Sebaceous Gland Hyperplasia

An enlargement of normal pre-existing sebaceous lobules on the face, the forehead, cheeks, and nose in particular, that results in lesions seen clinically to consist of a rim of yellow papules around a central dell that represents a dilated ostium o…

Dermatology Practical & Conceptual

Papillary adenocarcinoma in situ of the skin: report of four cases

…believe that lesions reported under the term papillary eccrine adenoma are not adenoma but PACIS. In 1977, Rulon and Helwig described an identical lesion but named it for the first time “papillary eccrine adenoma” [12]. They reported on 14 cases of d…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…or porokeratotic eccrine duct and hair follicle nevus. Eccrine adenoma Eccrine hidrocystoma or cystadenoma Syringoma: classic eyelid type, eruptive type, clear cell type, chondroid type Papillary eccrine adenoma (eccrine syringocyst-adenoma papillife…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…topathology 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 histopathologically. Sebaceous hyperp…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…r or pilar hamartoma, proliferating pilar tumor, and sebaceous adenoma; and apocrine neoplasms (20%), such as apocrine adenoma, syringocystadenoma papilliferum, and apocrine hidrocystoma. . . . BCCs associated with nevus sebaceus frequently show feat…