Canine olfactory detection of malignant melanoma.

Our patient is a 75-year-old man who presented after his pet dog licked persistently at an asymptomatic lesion behind his right ear. Examination revealed a nodular lesion in the postauricular sulcus. Histology confirmed malignant melanoma, which was subsequently excised.

Recurrent pyogenic granuloma with satellitosis.

A 26-year-old woman was treated by curettage and cautery for a pyogenic granuloma on her left shoulder. This recurred 3 months later and was excised. After a further 5 months, she developed three vascular papules and one lobulated vascular lesion at the site.