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A brief description of the clinical highlights and a single image: your best diagnostic guess?
Round Red Patch on a Man's Neck
Five days after starting a new medication, this lesion appeared on a man’s neck. It slowly resolved after the drug was stopped. Which of these drugs do you suspect might have caused the lesion?
Asymptomatic “Bump” On a Man’s Finger
For at least 3 months, this asymptomatic nodule has been slowly growing on a 63-year-old man's finger. What are you looking at here?
Asymmetrically Pigmented Irides
This 20-year-old woman has one blue and one brown iris. To what genetic disorder might this finding point?
Canker sore — or something else?
A 17-year-old woman presents with a gradually increasing, asymptomatic “sore” on her lower lip. What’s your impression?
Swelling Over Left Anterior Knee
For 2 months, a 29-year-old man had pain and circular, soft swelling (7 x 7 cm in diameter) over the anterior left knee, superficial to the patellar ligament. Your dx?
What's this "Red Spot?"
A 76-year-old woman seeks your attention for an asymptomatic “red spot” on her neck. What does this look like to you?
A 27-year-old woman intermittently experiences painful oral lesions such as this one on her upper lip. Your impression?