Intra Abdominal Abscess

Intrabdominal Abscess as shown by arrows. Its in the sub-hepatic space and going down the right para-colic gutter. Pt had partial right sided colonic resection for a benign lesion and developed poly-microbial abscess as a complication of surgery.

Acute Colitis due to Clostridium Difficile

60 year old patient presented with diarrhea and sepsis. CT scan abdomen showed acute colitis. See the images below

CT abdomen with contrast demonstrates
1 &2)Edema of sigmoid colon wall
     3) Diverticula
4&5) Fat stranding, which is another sign of inflammation
Down below, same patient after 5 days of treatment with oral vancomycin showing significant improvement in colitis.

Brain Abscess

Multiple MRI views showing multi-loculate intracerebral and subdural fluid collections with ring enhancing cerebral lesions and dural enhancement. There is associated vasogenic edema and localized mass effect. 
This elderly gentleman presented with altered mental status which was on going on for a month. Other medical problems included Diabetes and End Stage Renal Disease needing hemodialysis