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A case of postoperative dissemination of fat particles into the cerebrospinal fluid pathways is reported. Following removal of a foramen magnum meningioma, a postoperative MR scan showed fat droplets in the basal cisterns and in the frontal horns of the lateral ventricles. The patient was asymptomatic and a repeat MR scan 7 months later was normal, with resolution and clearing of the previously noted cerebrospinal fluid fat.

Our case of a parastomal hernia is rare because the stomach became incarcerated in the hernial sac. The diagnosis of parastomal hernia is not a difficult one, but one must be aware of the possible complications of the colostomy and the rare occurrence of the parastomal hernia containing the stomach.