A member asked:

What causes increased echogenicity of the medullary pyramids?

A doctor has provided 1 answer
Dr. Bruce J. Stringer answered

Specializes in Radiology

Tubular Ectasia: Renal tubular ectasia aka medullary sponge kidney is a condition that has dilatation of the tubules in the medullary pyramids with an increased tendency for stones and infection. The pyramids appear very echogenic on ultrasound.

Answered 8/17/2013

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