Nephrogenic adenoma

Nephrogenic adenoma

Micrograph of a nephrogenic adenoma. H&E stain.
Classification and external resources

Nephrogenic adenoma, also mesonephric adenoma and nephrogenic metaplasia, is a benign growth typically found in the urinary bladder.

It is thought to result from displacement and implantation of renal tubular cells, as this entity in kidney transplant recipients has been shown to be kidney donor derived.[1]

This entity should not be confused with the similar sounding metanephric adenoma.

Diagnosis

Nephrogenic adenomas are diagnosed on biopsy, by their appearance under the microscope, by pathologists.

Treatment

Even though there is no evidence of malignant potential, transurethral resection is recommended together with long-term antibiotic prophylaxis for at least one year after resection. Prolonged antibiotic therapy is suggested due to the frequent finding of UTI as an associated or causative factor.[2]

See also

Additional images

References

  1. ↑ Mazal, PR.; Schaufler, R.; Altenhuber-Müller, R.; Haitel, A.; Watschinger, B.; Kratzik, C.; Krupitza, G.; Regele, H.; et al. (Aug 2002). "Derivation of nephrogenic adenomas from renal tubular cells in kidney-transplant recipients". N Engl J Med 347 (9): 653–9. doi:10.1056/NEJMoa013413. PMID 12200552.
  2. ↑ Peeker R Aldenborg F Fall M: Nephrogenic adenoma: A study with special reference to clinical presentation. BR J UROL 1997;80(4):539-542.
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