dermatology quizzes

Superficial spreading in lentigo maligna
Superficial spreading in lentigo malignaA 61-year-old white female with a past medical history of atrial fibrillation presents with a brown spot on her right ear of unknown duration. What wouldn’t you do during the first office visit?
Melanoma quiz:  Diagnosis, differential and black patches
Melanoma quiz: Diagnosis, differential and black patches71-year-old Caucasian woman presents with an asymptomatic 4 cm x 2.5 cm black patch.
Case study:  20 non-melanomas and now this mysterious lesion
Case study: 20 non-melanomas and now this mysterious lesionIn this case, the clinical diagnosis can be difficult as the features of the lesion overlap in this 90-year-old patient. What is the diagnosis?