Constant itchy, painful bumps, scaly arms and legs, and damaged nails make lichen planus an inflammatory skin disease that's both frustrating and painful for patients trying to keep their quality of ...

Dear Doctor: Recently, my skin became irritated and started blistering. I was diagnosed with lichen planus, which I’m told is pretty common. What is it? How can people deal with the irritation and ...

If you find a stripe-like rash on your child’s arm or leg, you might be concerned. But it might be a harmless rash called lichen striatus. This type of rash usually forms one or two lines of pink, ...

If left untreated, patients with psoriatic arthritis (PsA) are at risk of irreversible joint damage, cardiovascular disease, and death. Some other conditions conflated with PsA include chronic eczema, ...

Biopsy of a lesion can be an additional diagnostic tool for syphilis. Typical histology of secondary syphilis demonstrates perivascular or lichenoid mixed inflammatory infiltrate such as plasma cells ...