A 67 year old woman has a chronic sore mouth of 2 years duration. The lesions consist of multiple persistent ulcers adjacent to white rough thickened areas which do not rub off and are arranged in a striated pattern. The lesions are bilateral and involve the buccal mucosa, lateral borders of the tongue, and gingiva. Of the following, the best diagnosis is .A. epidermolysis bullosaB. pemphigusC. herpanginaD. lichen planusE. recurrent herpes

D. lichen planus

Explanation:

Lichen planus could be described as a skin condition where the skin becomes inflammatory alongside itching, rashes on the hands and legs. The causes of Lichen planus are not really known but it is has been observed that Hepatitis C could be a possible cause. Most skin specialist believe it is an autoimmune disease. The Lichen planus is what best describes the 67 year old woman's illness.

a1 = unhealthy

a2= healthy

a3= healthy