Search Results for: folliculo-sebaceous cyst

Solitary mastocytoma presenting in an adult: report and literature review of adult-onset solitary cutaneous mastocytoma with recommendations for evaluation and treatment

Solitary mastocytoma presenting in an adult: report and literature review of adult-onset solitary cutaneous mastocytoma with recommendations for evaluation and treatment

…Spitz nevus [11], the clinical differential diagnosis of solitary mastocytoma includes chronic arthropod bite reaction [15], cyst [8], granuloma [8], hidrocystoma [15], leukemia cutis [11], and xanthogranuloma [11]. The solitary mastocytomas ranged…

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

An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous…

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…