PT - Pele & Tegumentos
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Browsing PT - Pele & Tegumentos by Author "Costa, V."
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- Melanoma? Look closerPublication . Mota, F.; Lobo, I.; Mahia, Y.; Costa, V.; Selores, M.Pigmented skin lesions are sometimes misdiagnosed due to clinical similarities between melanocytic and non-melanocytic lesions. We report the case of a patient with a pigmented lesion that clinically resembles melanoma. With dermoscopy, observed features, namely leaf-like areas, allowed us to make the diagnosis of pigmented basal cell carcinoma. This case represents a clinical setting in which clinical examination alone could lead to a misdiagnosis, but with the use of dermoscopy an accurate diagnosis was possible.
- Photoallergic reaction to cyamemazine.Publication . Fernandes, I.; Vilaça, S.; Lobo, I.; Sanches, M.; Costa, V.; Selores, M.A 50-year-old man presented with a scaly erythema of the face, upper chest, forearms, and dorsum of the hands. He has been treated with cyamemazine for 6 months. Photopatch tests were performed and the patient was diagnosed with photoallergic reaction to cyamemazine. The drug was discontinued and a course of oral steroids was prescribed. The patient was advised to avoid light exposure. There has been no evidence of recurrence during a six-month follow-up period. Photoallergic reactions are much less frequent than phototoxic disorders. It is well known that several drugs including neuroleptics of the phenothiazine family may produce a skin eruption on light-exposed areas by dose-dependent (phototoxic) or photoallergic mechanisms. It is believed that photopatch testing, which is the clinical investigation of choice for suspected photoallergic reactions, is significantly underused in Europe and probably world-wide.
- Transient peripheral facial nerve paralysis after local anesthetic procedurePublication . Rosmaninho, A.; Lobo, I.; Caetano, M.; Taipa, R.; Magalhães, M.; Costa, V.; Selores, M.Complications may arise after laser therapy of the face. The most common ones are bleeding and infections; facial nerve paresis or paralysis is rarely reported. We describe a case of a transient peripheral facial nerve paralysis after laser therapy of an epidermal verrucous nevus localized at the left preauricular area.