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Background Folliculitis decalvans (FD) is a rare neutrophilic scarring alopecia that represents a therapeutic challengefor dermatologists.Objective To describe the epidemiology, comorbidities, clinical presentation, diagnostic !ndings and therapeuticoptions in a large series of patients with FD.Methods This retrospective multicentre review includes patients diagnosed with FD based on clinical and histopatho-logic !ndings. The clinical severity was determined by the maximum diameter of the largest alopecic patch (slight

We present the case of a 55-year-old male with melanoma in the right retroauricular region who had cutaneous necrosis only in one of the injection sites after adjuvant treatment with interferon (IFN alpha 2b) according to the Kirkwood proposed regime. Appearance of cutaneous necrosis is a rare condition that has been described in patients treated with different types of IFN.

Alopecia areata totalis (AAT) and universalis (AAU) pose a therapeutic challenge. OBJECTIVE: To describe the clinical and epidemiological features, therapeutic response and prognostic factors in a large series of patients diagnosed with AAT and AAU. METHODS: This retrospective multicenter study included patients diagnosed with AAT/AAU with a minimum follow-up of 12 months. Response was assessed based on the regrowth of scalp hair. RESULTS: In all, 132 patients (92 women and 40 men) - 80 (61%) diagnosed with AAU and 52 (39%) diagnosed with AAT - were included. The median time between the presentation of alopecia areata (AA) and the development of extensive AA was 1 year and it was less than 4 years in 121 patients (91%). There was an initial response to treatment in 64% of patients, although only 14% presented a persistent response. Adverse side effects from the medications used were detected in 33% of patients. The prognostic factors associated with poor response were the presence of AAU and a positive family history of AA. CONCLUSIONS: Treatment of AAT and AAU is challenging. Although an initial regrowth may be achieved, the duration of response is usually short. There were no significant differences on the effectiveness or duration of response between the various systemic therapies. publisher's version

Traumatic or amputation neuromas are benign tumours formed by a proliferation of Schwann cells, axons and connective tissue elements. They are secondary to the partial or total section of a nerve pathway due to an accidental or surgical trauma. They can form at any site and affect any type of nerve. The presence of amputation neuromas is very frequent in major surgery but rare in simple excisions of skin tumours. We report two cases with neuroma localized in the neck, one after lymph node dissection for melanoma metastasis and the other after excision of a cutaneous melanoma with 3-cm margin on lateral neck. In both cases, the presence of the neuroma mandated a surgical excision to rule out a possible recurrence of melanoma.