Search Results for: cysts

Histologic Diagnosis of Inflammatory Skin Diseases

Acquired epidermolysis bullosa

…ppermost part of the dermis in some lesions Tiny infundibular cysts (milia) Correlation clinicopathologic A blister forms beneath the epidermis and, by electron microscopy, is seen to be positioned in the region below the lamina densa. A scar observe…

Differential Diagnosis in Dermatopathology

Dilated pore vs. Pilar sheath acanthoma

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesio…

Differential Diagnosis in Dermatopathology

Discussions

…that have been compared to the shape of a tadpole. Cornifying cysts and calcification are common features of syringoma, but not, as a rule, of metastases from carcinoma. Clinically, syringomas are small, yellowish-tan papules on lower eyelids, but th…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…nd hairs, is encountered in the vicinity of some infundibular cysts that have ruptured. 10.38.9A: Nodular dermatitis, granulomatous + 10.38.9B: Histiocytes, many of them multinucleate, contiguous with suture = “Suture granuloma” Suture, l…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Primary and Secondary Lesions?

…esicles, bullae, pustules, plaques, atrophic plaques, wheals, cysts. Secondary (modified) lesions: scales (desquamation), crusts (scabs), erosions, ulcers, fissures, excoriations.” Goodheart HP. Illustrated glossary of basic skin lesions. In: G…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…: CV Mosby Co., 1989:1607. “Two types of digital mucous cysts exist. One type is analogous to focal (popular) mucinosis and represents a myxoma.” Lever WF, Schaumburg-Lever G. Tumors of fibrous tissue. In: Histopathology of the Skin. 7th…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…,” a reference to the vague resemblance of infundibular cysts of acne conglobata to balls of different sizes. The image, however, conveys no sense for the nature fundamental of the disease, to wit, a suppurative infundibulitis accompanied often…