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Purpose: The purpose of this work was to describe the computed tomography (CT) features of peritoneal carcinomatosis after surgery combined with intraperitoneal chemohyperthermia (IPCH)., Method: Between 1999 and 2001, 51 consecutive patients (33 women and 18 men, with a mean age 45 years) were treated in our institution with IPCH for peritoneal carcinomatosis. Patients that were symptomatic (33 patients) underwent contrast enhanced helical CT of the abdomen and the pelvis during the first 15 postoperative days. The CT scans were reviewed retrospectively by two blinded observers. Computed tomography abnormalities were compared with surgical, biochemical, and clinical findings., Results: None of the CT scans were completely normal. Most postsurgical CT findings, including bowel and peritoneal thickening (14 and 13 cases, respectively), increased intraperitoneal fat density (13 cases), and compartmentalized ascites (8 cases), resulted from an inflammatory mesenteric reaction or inflammation of the small bowel or the peritoneum and did not require specific treatment. Major complications requiring appropriate treatment were intra-abdominal abscesses (5 cases), hemoperitoneum (5 cases), urinary fistula (2 cases), acute pancreatitis (1 case) and abdominal wall abscesses (2 cases)., Conclusion: Knowledge of early CT findings after therapy with surgery combined with IPCH for peritoneal carcinomatosis is useful for accurate posttreatment management of these patients.

Two cases of aneurysmal bone cyst of the jaws, one in the mandible and the other in the maxilla, are reported in young girls 7 and 15 years old. One was a primary lesion; the other was associated with fibrous dysplasia. In both cases CT and MR demonstrated characteristic fluid-fluid levels. The diagnosis was confirmed after biopsy and surgical resection of the lesions.

A case of cystic schwannoma that presented as an intraaxial lesion on CT is reported. Magnetic resonance was able to detect the extraaxial origin of the tumor.