An elderly woman presents with a one-year history of excessive facial hair. She has been healthy all of her life, and has no family history of a similar occurrence. What is your diagnosis, and what test do you want to order to confirm your impression?
DIAGNOSIS: hyperytrichosis laguninosa (HL). This condition is associated with an internal malignancy, usually colorectal cancer. This patient had a rectal adenocarcinoma. Symptoms of stomatitis may also occur in association with HL.