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Melanomas are aggressive cancers that present as cutaneous, mucosal and ocular lesions with the ability to metastasise widely. There are, however, occasions where lesions are found in distant sites such as lymph nodes, viscera and subcutaneous tissues without clinically apparent skin involvement. This is known as metastatic melanoma of unknown primary (MUP). Its presentation in skeletal muscle is rare, and the available literature is sparse. This article presents an 85-year-old woman with a MUP presenting in the right temporalis muscle, which was diagnosed with the aid of the ultrasound-guided core biopsy. The melanoma deposit was successfully excised, and no recurrence was identified. The patient is now under close follow-up.

For consent to be fully informed, it must be tailored to each patient, who must be appraised of alternative treatments (including that of no treatment) and informed of the material risks which an individual would wish to know and consider significant. This also includes Covid-19 related risks. Whilst surgeons had at times to offer sub-optimal treatments due to pressures caused by the pandemic, patients should still be given the choice to delay their treatment. Consent obtained remotely via digital technology must comply with the same requirements as in a face-to-face setting.

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