Also known as acute colonic pseudo-obstruction (ACPO)
Defined as a large bowel obstruction (LBO) in which no obstructing lesion can be identified
No definite etiology identified: suspected to develop secondary to a disbalance of colonic autonomic regulatory control
Predisposing factors: recent surgery, underlying neurologic disorders, critical illness
First described in 1948 by Sir<unk> , in two patients with retroperitoneal malignancy and acute colonic pseudo-obstruction
Ogilvie's syndrome
Malignancy 
Dressler's syndrome
Diverticular disease
Fitz-Hugh-Curtis syndrome
Compression from metastatic disease
Mallory-Weiss tear
Impaction