Renal medullary fibroma

Renal medullary fibroma
Micrograph of a renal medullary fibroma (bottom of image). Renal tubules are seen at the top of the image. H&E stain.
Classification and external resources

Renal medullary fibroma, also renomedullary interstitial cell tumour and medullary fibroma, is a benign kidney tumour. It is commonly an incidental finding.^[1]

Symptoms

Renal medullary fibromas are typically asymptomatic.

Diagnosis

Renal medullary fibromas are diagnosed by pathologists based on the examination of tissue.

They consist of bland spindle-shaped or stellate-shaped cells in a loose stroma. Renal tubules may be entrapped.

Treatment

Generally, no treatment is required.

See also

• Kidney tumour
• Kidney cancer

Additional images

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References

1. Tsurukawa, H.; Iuchi, H.; Osanai, H.; Yamaguchi, S.; Hashimoto, H.; Kaneko, S.; Yachiku, S. (Jan 2000). "[Renomedullary interstitial cell tumor: a case report].". Nihon Hinyokika Gakkai Zasshi. 91 (1): 37–40. PMID 10689882.