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[[Image:Renomegaly1.jpg|300px|thumb|right|'''Massive renomegaly in an iguana. Note the possibility of colonic obstruction.''' (Copyright © RVC)]]

[[Image:Renomegaly1.jpg|300px|thumb|right|'''Massive renomegaly in an iguana. Note the possibility of colonic obstruction.''' (Copyright © RVC)]]

==Introduction==

==Introduction==

Kidney disease in snakes and lizards is not uncommon; the main causes include gout, infectious agents and toxicoses. In an advanced state it may also be associated with metastatic soft tissue calcification, where([[Calcium|calcium]] is deposited in many tissues throughout the body) leading to a renal osteodystrophy. Kidney disease is common in iguanas and is a frequent cause of death in captive iguanas; most fatalities occur between 2.6 and 5.8 years, with 4.2 being the mean age with equal sex ratios. Associated terms include renal osteodystrophy, paradoxial metastatic calcification, metastatic mineralisation syndrome in [[Green Iguana|green iguanas]], and tubulonephrosis of iguanas.

Kidney disease in snakes and lizards is not uncommon; the main causes include gout, infectious agents and toxicoses. In an advanced state it may also be associated with metastatic soft tissue calcification, where [[Calcium|calcium]] is deposited in many tissues throughout the body leading to a renal osteodystrophy. Kidney disease is common in iguanas and is a frequent cause of death in captive iguanas; most fatalities occur between 2.6 and 5.8 years, with 4.2 being the mean age with equal sex ratios. Associated terms include renal osteodystrophy, paradoxial metastatic calcification, metastatic mineralisation syndrome in [[Green Iguana|green iguanas]], and tubulonephrosis of iguanas.

The exact aetiology of renal disease in lizards is unknown but has historically been associated with:

The exact aetiology of renal disease in lizards is unknown but has historically been associated with: