During a two-year period, five patients were treated by us for acute intestinal obstruction caused by an incarcerated paracecal hernia. All patients underwent surgery early, so none required bowel resection. The possibility of an internal hernia as a cause of intestinal obstruction and a profound knowledge of the pericecal anatomy, however, are necessary for successful diagnosis and treatment of paracecal hernias.
The assimilated os sustentaculi is a projection of bone from the medial aspect of the sustentaculum tali which is surmounted by a similar projection from the medial tubercle of the talus. The accessory joint so formed may develop secondary osteoarthritis changes. This congenital anomaly is very rare. The present report is of 2 additional cases.
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