“…B Barium enema study excludes possibility of mechanical obstruction. Cecal diameter measures 16 cm curs in patients with sepsis, shock, lead intoxication, morphine overdosage, ganglionic blocking agents, renal failure, or electrolyte imbalance: We have also encountered it following pelvic operation, including hysterectomy, caesarian section [5][6][7], and prostatic surgery.…”