What does it mean when stones are in the lower calyx of the kidney?
Kidney Stone
Dr. Gautam Banga
Answer
Stones in the lower calyx of the kidney are located in the bottom part of the kidney's collecting system. Due to gravity, these stones are less likely to pass naturally compared to those in the upper or middle calyx. Since urine exits from the middle calyx, stones in the lower calyx must "climb up" before exiting, making spontaneous passage more challenging. The likelihood of passing these stones depends on their size: smaller stones (<4 mm) are more likely to pass naturally, while larger stones often require medical intervention.
Common treatments for larger stones include Extracorporeal Shock Wave Lithotripsy (ESWL), Retrograde Intrarenal Surgery (RIRS), or Percutaneous Nephrolithotomy (PCNL). Treatment decisions are typically based on symptoms, stone size, and location. Maintaining regular hydration and seeking medical guidance is essential for effectively managing lower calyx stones.
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