Tamm-Horsfall protein (uromodulin)

Case contributed by Dr Tim Luijkx

Presentation

Urinary tract infections. Hydronephrosis?

Patient Data

Age: 8 weeks
Gender: Male
Ultrasound

Echogenic foci in renal pyramids reflects Tamm-Horsfall protein, also known as uromodulin, which is considered a normal findings in neonates up to several months of age.

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