Search Results for: cysts

Multiple agminated lesions with homogeneous blue pattern on dermoscopy

Multiple agminated lesions with homogeneous blue pattern on dermoscopy

…naevus. J Eur Acad Dermatol Venereol. 2006;20(6):733-4. PubMed CrossRef 6. Oiso N, Matsuda H, Kawada A. Eruptive vellus hair cysts of the labia majora: detection of openings of the cysts to the epidermis by dermoscopy. Eur J Dermatol….

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…blistering diseases, e.g., porphyria cutanea tarda and bullous pemphigoid. Most milia, however, represent tiny infundibular cysts. Columns of parakeratosis known as cornoid lamellae emanate at times from infundibula of several “types”…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…a that are similar to comedones, but whose “walls” have become bowed with formation thereby of tiny infundibular cysts. When infundibular cysts become larger, they tend to explode, releasing into the dermis the contents of them, to wit,…

Pigmented tumor in the nostril

Pigmented tumor in the nostril

…tosis of the epidermis. In addition, we note a broad fingerlike downward epithelial proliferation containing occasional horn cysts, which consists of two cell types, basal cells located in the periphery and malpighian cells in the center. These…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat: Panniculitis

…ipocytes and replacement of them by fine granules of amphophilic staining extracellular lipid) (Fig. 5.401A) Fat “microcysts” (spaces, which are not true cysts because they are not lined by epithelium, of various sizes that mark the site…