Search Results for: folliculo-sebaceous cyst

Differential Diagnosis in Dermatopathology

Discussions

…an arthropod (especially mosquito) “bite,” but sometimes secondary to a ruptured infundibulum or an infundibular cyst. Therefore, the term dermatofibrosis describes the lesion more aptly, conveying as it does that the process is a type…

Differential Diagnosis in Dermatopathology

Trichoepithelioma vs. Infundibulocystic basal-cell carcinoma

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

Keloid

…lomatous features, such as siderophages and lipophages, acanthosis accompanied by hyperpigmentation, and, at times, folliculosebaceous units that have been induced from surface epidermis; at nearly all stages, histiocytes and/or fibrocytes are…

Review of Practical Dermatopathology, 2nd edition by Ronald P. Rapini

Review of Practical Dermatopathology, 2nd edition by Ronald P. Rapini

…n diseases,” etc.); some topological (e.g., axilla, groin, head, elbow, lesions); some histological (e.g., hemosiderin, horn cyst, interstitial inflammation, acantholysis), etc. For each of these nonspecific and rather arbitrary characteristics, a…

Acantholytic dyskeratotic acanthoma: case report and review of the literature

Acantholytic dyskeratotic acanthoma: case report and review of the literature

…References Ackerman AB. Focal acantholytic dyskeratosis. Arch Dermatol. 1972;106:702-6. Bogle MA, Cohen PR, Tschen JA. Trichofolliculoma with incidental focal acantholytic dyskeratosis. South Med J. 2004;97:773-5. DiMaio DJ, Cohen PR. Incidental…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…inds of “foreign bodies” in skin and subcutaneous fat, as disparate as corneocytes (from a ruptured infundibular cyst) to urate (in some lesions of gout). It is easy for beginners in dermatopathology, and sometimes even for long-time…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphocytoma cutis

…1; or “lymphocytoma cutis” probably represent a longstanding inflammatory response to rupture of an infundibular cyst. Dilantin may induce changes in the skin that vaguely resemble those of a lymphoma, but that happens rarely. The…

Appearances may be deceiving

Appearances may be deceiving

…ripheral polymorphous vascular pattern showing the presence of dotted, linear and irregular vessels (Figure 2). A milia-like cyst was also observed in the inferior part of the lesion. An excisional biopsy was performed with 2 mm margins. The…