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Urinary Tract Calculi I: Introduction

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Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...

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Urologic Endoscopic Procedure: Cystoscopic Examination

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Updated: May 11, 2026

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Cystine nephrolithiasis.

Soo Jeong Kim¹, Stephen Mock, Jeffrey A Stock

¹Division of Pediatric Urology, Department of Urology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.

|May 22, 2013

Summary

This summary is machine-generated.

Cystinuria, a rare cause of kidney stones, requires consideration in children and those with recurrent stones. This case highlights successful treatment for a patient with a significant cystine stone burden.

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Area of Science:

Nephrology
Urology
Pediatric Nephrology

Background:

Cystinuria is an inherited metabolic disorder.
It leads to the formation of cystine stones in the kidneys.
It is a rare but significant cause of nephrolithiasis, especially in pediatric patients.

Observation:

A pediatric patient presented with a substantial burden of cystine stones.
The patient had a history of recurrent nephrolithiasis.

Findings:

Successful management of a large cystine stone burden was achieved.
A multimodality therapeutic approach was employed.

Implications:

This case underscores the importance of considering cystinuria in pediatric nephrolithiasis.
Multimodality therapy can be effective for complex cystine stone cases.
Early diagnosis and intervention are crucial for managing cystinuria complications.