ectopic kidney

ectopic kidney,

a kidney not in the usual position. The most common types are abdominal, lumbar, pelvic, thoracic, and crossed fused ectopic kidneys.

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ectopic

1. pertaining to or characterized by ectopy.

2. located away from normal position.

3. arising or produced at an abnormal site or in a tissue where it is not normally found. See also specific sites or structures.

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ectopic ACTH syndrome

production of ACTH by nonpituitary tumors occurs in humans and is a cause of adrenal hyperplasia and hyperadrenocorticism. It has not been reported in animals.

ectopic endocrinopathy

production of hormones by nonendocrinal, usually neoplastic, tissues. The most common example in animals is pseudohyperparathyroidism in dogs caused by a variety of tumors, particularly apocrine adenocarcinomas of the anal sacs and lymphosarcoma.

ectopic heart

see ectopia cordis.

ectopic kidney

usually an unascended kidney.

ectopic lens

see ectopia lentis.

ectopic mineralization

deposition of calcium salts of phosphate, silicate, etc. in unusual situations, e.g. calcifying myopathy in horses. See also mineralization.

ectopic ossification

see ectopic mineralization (above).

ectopic teeth

see dental cyst.

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ectopic kidney

Nephrology A kidney located outside of the normal position. See Horseshoe kidney.