Introduction
Large kidney stones can cause severe pain, urinary blockage, repeated infections, bleeding, and kidney damage if not treated appropriately. Unlike small stones, large kidney stones usually do not pass naturally and often require specialized procedures for complete removal.
The most effective treatment depends on the size, location, composition of the stone, kidney function, and overall health of the patient. Early treatment is important to preserve kidney function and prevent complications.
At Prabhakar Bhurke Clinic, our super specialist nephrologist provides comprehensive kidney stone evaluation, advanced diagnostic testing, personalized treatment planning, kidney function monitoring, and long-term stone prevention care.
What is considered a large kidney stone?
Kidney stones larger than 10 mm (1 cm) are generally considered large, and stones larger than 20 mm (2 cm) often require procedural treatment.
Large stones may occupy a significant portion of the kidney and are less likely to pass naturally.
Symptoms of large kidney stones
Large kidney stones may cause:
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Severe pain in the side or back
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Pain radiating to the groin
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Blood in urine
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Frequent urination
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Painful urination
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Nausea and vomiting
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Fever and chills
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Reduced urine flow
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Recurrent urinary infections
Fever with kidney stone symptoms may indicate infection and requires urgent medical attention.
Why large kidney stones need treatment
Untreated large stones may lead to:
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Urinary obstruction
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Kidney swelling (hydronephrosis)
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Kidney infections
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Permanent kidney damage
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Reduced kidney function
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Recurrent pain episodes
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Sepsis in severe cases
Timely treatment helps protect kidney health.
How are large kidney stones diagnosed?
At Prabhakar Bhurke Clinic, our super specialist nephrologist performs a detailed kidney stone evaluation.
Medical history and examination
The doctor evaluates:
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Pain pattern
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Urinary symptoms
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Previous kidney stones
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Medical history
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Family history
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Current medications
Blood tests
Investigations may include:
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Serum creatinine
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Estimated Glomerular Filtration Rate (eGFR)
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Blood urea nitrogen (BUN)
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Electrolytes
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Calcium
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Uric acid
These tests help assess kidney function before treatment.
Urine tests
Urine evaluation helps detect:
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Blood
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Infection
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Crystals
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Protein
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Stone-forming substances
Imaging studies
Imaging plays a critical role in treatment planning.
Tests may include:
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Kidney ultrasound
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CT scan
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X-ray when indicated
These help determine:
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Stone size
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Stone location
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Number of stones
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Urinary obstruction
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Kidney involvement
Best treatment options for large kidney stones
Treatment depends on stone size and location.
PCNL (Percutaneous Nephrolithotomy)
PCNL is considered one of the most effective treatments for large kidney stones.
During PCNL:
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A small incision is made in the back.
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A special instrument is inserted into the kidney.
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The stone is broken into fragments.
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The fragments are removed.
PCNL is commonly recommended for:
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Stones larger than 2 cm
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Staghorn stones
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Multiple kidney stones
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Stones not suitable for ESWL
PCNL often provides high stone clearance rates.
Mini-PCNL
Mini-PCNL uses smaller instruments than conventional PCNL.
Potential advantages include:
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Smaller incision
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Reduced bleeding
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Faster recovery in selected patients
Suitability depends on stone characteristics.
Ureteroscopy with laser lithotripsy
A thin scope is passed through the urinary tract to reach the stone.
Laser energy is used to break the stone into small pieces.
This procedure is often suitable for:
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Ureteric stones
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Some kidney stones
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Stones requiring minimally invasive treatment
Flexible ureteroscopy (RIRS)
Retrograde Intrarenal Surgery (RIRS) uses a flexible scope to treat stones inside the kidney.
It may be considered for selected large stones depending on size and location.
ESWL (Extracorporeal Shock Wave Lithotripsy)
ESWL uses shock waves to break kidney stones into smaller fragments.
However, ESWL is generally less effective for very large stones and may require multiple sessions.
It is more commonly used for selected smaller or moderately sized stones.
Open or laparoscopic stone surgery
These procedures are less commonly required today because minimally invasive techniques are usually preferred.
They may be considered in selected complex cases.
Which treatment is best?
General treatment considerations are:
