Document Type

Article

Publication Date

2026

Abstract

Medullary nephrocalcinosis is characterized by calcium deposition within the renal medulla and is often associated with recurrent nephrolithiasis, metabolic, or congenital renal conditions. This case involves a 70-year-old female patient whose medical history includes both a prior diagnosis of medullary sponge kidney and multiple occurrences of kidney stone formation. She presented for evaluation of dysuria and hematuria. Renal ultrasound was performed and demonstrated echogenic renal pyramids, consistent with medullary nephrocalcinosis. Additional computed tomography (CT) imaging was performed to assess the extent of the calcification and evaluate for new or persistent kidney stones. This case demonstrates the importance of continued imaging follow-up and coordinated care for patients with long-standing renal disease, particularly those at risk for recurrent stone development or related complications.

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