The differential diagnosis consists of psoriasis, wart, eczema, squamous cell carcinoma in situ, and prurigo nodularis. What’s your diagnosis?
This 58-year-old man was concerned about a dime-sized red, scaly, painless patch on his knuckle. It did not itch or burn; the patient did not habitually rub, pick, or scratch the lesion. There were no similar lesions on either hand; no epitrochlear or axillary adenopathy was detected. The genitalia were free of lesions, and there was no history of genital warts. The patient had a history of basal cell carcinoma on the arm and several more recent actinic keratoses on a balding scalp.
What's your diagnosis?
Lebrikizumab Demonstrates Efficacy, Safety in Patients With Skin of Color With AD
June 11th 2025RAD 2025. Lebrikizumab improved skin clearance, itch, and pigmentation in patients with skin of color and atopic dermatitis, with strong safety data through 24 weeks, according to late-breaking data.