Diagnosis & Disease Information

chodrodermatis nodularis helicis

DermDx: Crusty Nodule on Ear

A 77-year-old woman is referred for evaluation of a nodule on her left ear, which has grown in size and causes severe pain at night while sleeping on that side.

DermDx: Red Nodule Below Knee

A 64-year-old man is referred for evaluation of a growth on his right leg that he noticed approximately 2 months ago and has continued to enlarge.

DermDx: Dome-Like Pigmented Lesion

A 19-year-old woman is referred for evaluation of a growth on her left leg. The lesion was first noted approximately 18 months ago and has slowly increased in size.

DermDx: Red Rash on Nose

A 27-year-old Hispanic man is referred for evaluation of a facial rash that developed after a severe sunburn 4 months earlier.

DermDx: Rash in Perianal Region

A 72-year-old man is referred for evaluation of a rash in his perianal region that has waxed and waned in intensity over the past 20 years.

DermDx: Small Nodule on Shin

A 55-year-old man presents to the clinic requesting removal of an asymptomatic growth on his lower left leg. What is the most likely diagnosis?

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