Posted: July 25th, 2017

A 72-year-old man who is a retired construction worker comes to the physician because he has had a lesion on his face for 3 months. Physical examination shows a 6-mm, red, ulcerated lesion with heaped borders. A biopsy specimen of the lesion shows atypical, dysplastic keratinocytes within the epidermis and dermis. Which of the following is the most likely diagnosis?

A 72-year-old man who is a retired construction
worker comes to the physician because he has
had a lesion on his face for 3 months. Physical
examination shows a 6-mm, red, ulcerated lesion
with heaped borders. A biopsy specimen of the
lesion shows atypical, dysplastic keratinocytes
within the epidermis and dermis. Which of the
following is the most likely diagnosis?
(A) Actinic keratoses
(B) Discoid lupus erythematosus
(C) Melanoma
(D) Mycosis fungoides
(E) Squamous cell carcinoma