Case presentation:

• Male.
• 72 y.o.
• Recent diagnosis of ulcerative colitis.
• Therapy with mesalazin, steroids and immuno suppressors, ensuing adequate control of symptoms.
• After being virtually symptom-free for 3-4 months:fever, diarrhoea,and abdominalpain.
• Hospital admission with preliminary diagnosis of “septic state in patientwithacute ulcerative colitis”.
• Acute-phasemarkers: ESR 58;C-Reactive Protein 77.8; Leukocyte count6700/μL.

Teaching points:

• In radionuclide infection imaging, a creful evalutaion of total body scan is essential in order to detect other unsuspected areas of infection, even in patients knownto have an existing infection.