Syndrome of inappropriate secretion of antidiuretic hormone (SIADH) in amoebic liver abscess.

We report here three cases of amoebic liver abscess with biochemical abnormalities of syndrome of inappropriate secretion of antidiuretic hormone (SIADH). All three patients were febrile and had pain in the right upper abdomen radiating to the right shoulder. Liver function tests were disturbed. Chest X-ray showed raised right hemidiaphragm with obliteration of the right costophrenic angle. On ultrasound, an abscess 710 cm in diameter was located in the upper right lobe. SIADH was transient and improved with treatment. We believe this to be the first reported association of SIADH with amoebic liver abscess.