Disfiguring nodular nasal lupus pernio is a rare condition that responds poorly to medical management. We have treated three affected patients with carbon dioxide laser remodelling, and report their progress 6 years, 2 years and 16 months following treatment, respectively. Although the abnormal granulomatous tissue was debulked rather than completely excised, the wounds healed within 4 weeks in all patients. The cosmetic results are acceptable and have been maintained in two of the patients, perhaps a reflection of their overall systemic sarcoidosis control.

Onychocola canadensis is an uncommon nondermatophyte mould which can occasionally cause onychomycosis, and rarely, tinea manuum. It typically affects elderly individuals, some of whom have been farmers, in temperate climates. We describe a patient with onychomycosis due to this organism. She failed to respond to a 12-week course of terbinafine 250 mg o.d.

Amiodarone, a benzofuran derivative, has been used therapeutically as an antiarrhythmic and coronary vasodilator in Europe since 1964. One of its commoner side effects is cutaneous photosensitivity; more rarely, after ingestion of the drug for around 12 months, a slate-grey or violaceous discoloration of sun-exposed sites may gradually develop. Both of these side effects usually resolve within 2 years of discontinuation of the drug. We now present a woman who developed both photosensitivity and a slate-grey discoloration whilst taking amiodarone; on discontinuation of the drug, the dyspigmentation gradually resolved, but the photosensitivity has persisted and the patient remains symptomatic more than 17 years later.

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