A poroma is a benign neoplasm composed of poroid and cuticular cells and is thought to derive from the eccrine duct. Several recent reports have described cases with sebaceous, follicular, and apocrine differentiation, suggesting a possible apocrine origin, however. Trichoblastoma is a rare benign tumor composed of germinative cells related to the folliculosebaceous-apocrine unit. We report a unique case of a trichoblastoma arising within a poroma with apocrine and sebaceous differentiation. To our knowledge, this exceptional association has not been described previously and may support the theory of the apocrine origin of poromas.
sequelae presenting as non-infectious, hemorrhagic bullae developing only over striae in a patient with recently diagnosed SLE and lupus nephritis.
References1 Tuffanelli DL, Dubois EL. Cutaneous manifestations of systemic lupus erythematosus. Arch Dermatol 1964; 90: 377-386. 2 Callen JP. Cutaneous bullae following acute steroid withdrawal in systemic lupus erythematosus. Br J Dermatol 1981; 105: 603-606. 3 Kumar V, Binder WL, Schotland E, et al. Coexistence of bullous pemphigoid and systemic lupus erythematosus.
Dermatitis artefacta is defined as a self-inflicted condition in which the responsibility for the lesions is uniformly denied by the patient. We report the case of a 43-year-old woman with a 13-year rheumatological history, presenting at our hospital with atypical crops of blisters and pustules with an extremely symmetric distribution, located in periocular and perioral regions, of one year evolution. Psychiatric assessment confirmed a diagnosis of factitious disease. The combined dermatological and psychiatric in-hospital management of the patient is here described. Psychiatric relationship was established employing a supportive and empathic approach and avoiding direct confrontation. Therefore, cooperation between dermatologists and psychiatrists is strongly advocated.
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