Actinic Keratosis Presenting as a Rough, Scaly Spot on the Forearm

I understand how a persistent rough patch like this can be concerning, and thank you for the details and the photograph (not shown for privacy). Based on your description, the most consistent diagnosis is actinic keratosis, which often presents with a sandpaper-like texture on sun-exposed areas. Conditions such as seborrheic keratosis (which typically has a […]

Painful Underarm and Groin Nodules Consistent With Hidradenitis Suppurativa

I’m really sorry you’ve been dealing with such painful and recurring nodules. Thank you for the details and the photograph (not shown for privacy). Based on your description, the pattern is most consistent with hidradenitis suppurativa, which often presents with deep, tender nodules in friction-prone areas that may drain or form tunnels. Conditions such as […]