If you find the material on this website useful, you will find that the two books
ACES
for PACES and KEYS to SUCCESS in Medicine
complement the material on these sites
and will enhance your studying and revision
A 29 year old male who is
on Azathioprine because of ileocaecal Crohn’s disease presents with a
widespread rash. The lesions are small pearly white papules with an
umbilicated centre.
Which one of the
following is likely to be the aetiological agent?