A case of primary non-Hodgkin's lymphoma of the terminal ileum with enterovesical fistula is reported. A 50-year-old Malay man presented with haematuria, dysuria and per-rectal bleeding. Intravenous urogram, double contrast enema and an MDP bone scintigram showed a fistulous communication between the bladder and distal ileum. At laparotomy, a large tumour attaching the terminal ileum to the dome of the bladder was found. Histopathological examination of resected small bowel revealed a diffuse histiocytic non-Hodgkin's lymphoma of the small bowel. The bladder mucosa was shown to be normal.
Localised dilatation of a segment of the intestine without any macroscopically-identifiable cause is rare, and has been reported in association with omphalocoele in only 14 children up to 2006. In most of these cases, the segmental intestinal dilatation (SID) was either diagnosed incidentally, or due to presentation with partial or complete intestinal obstruction. We report, for the first time, a 37-week-old neonate with bowel perforation in SID associated with omphalocoele. In our case, a long thin vessel that resembled the mesodiverticular vessel of a Meckel's diverticulum was present in the dilated segment, supporting the view that SID and Meckel's diverticulum may be embryologically related.