Renal medullary fibroma

Renal medullary fibroma is a benign kidney tumour. It is commonly an incidental finding.

Renal medullary fibroma
Other names	Renomedullary interstitial cell tumou, medullary fibroma'
Micrograph of a renal medullary fibroma (bottom of image). Renal tubules are seen at the top of the image. H&E stain.

Signs and 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.

• 
  Low mag.
• 
  High mag.

Treatment

Generally, no treatment is required.

See also

• Kidney tumour
• Kidney cancer