A 64-year-old man presents with several scaly lesions on his back. He has no significant past medical or family history. | Medibuddy
14th July 2026

A 64-year-old man presents with several scaly lesions on his back. He has no significant past medical or family history.

A 64-year-old man presents with several scaly lesions on his back. He has no significant past medical or family history. He smokes 10 a day and has done so for the past 20 years. He works as a farmer. Clinical examination reveals hyperkeratotic plaques with surrounding erythema.

Which of the following inhibits thymidylate synthase?

Select the SINGLE most appropriate option from the list below. Select ONE option only.

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