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Infrared spectroscopic analysis of staghorn calculi obtained after open renal surgery in a urology unit of Sri Lanka

Authors:

K S N Wijayarathna,

Urology Unit, Colombo South Teaching Hospital, Sri Lanka., LK
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G G A P Weerasingha,

Department of Geology, Faculty of Science, University of Peradeniya, Sri Lanka., LK
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A S Weligamage,

Urology Unit, Colombo South Teaching Hospital, Sri Lanka., LK
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R Chandrajith,

Department of Geology, Faculty of Science, University of Peradeniya, Sri Lanka, LK
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A M Abeygunasekera

Urology Unit, Colombo South Teaching Hospital, Sri Lanka., LK
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Abstract

The composition of renal stones varies widely among populations. The aim of our study was to determine the composition of staghorn renal stones using Fourier transform infrared (FTIR) spectroscopy in a cohort of Sri Lankan patients. Forty two staghorn calculi removed from kidneys of adult patients during open surgery were analysed. There were 32 men. Nineteen (45%) were calcium oxalate monohydrate (whewellite) stones. Stones containing a mixture of calcium oxalate and calcium hydroxyl phosphate (apatite) were found in 16 (38%). Only 4 (10%) staghorn calculi were coposed of struvite. Three (7%) were uric acid stones. So most staghorn renal stones in Sri Lanka are calcium oxalate. Contrary to the traditional view based on studies done in the western world, only 10% of staghorn calculi removed from patients in Sri Lanka are struvite or infection stones. This could be the reason for kidneys with staghorn calculi in Sri Lanka to retain their function.

DOI: https://doi.org/10.4038/cmj.v61i2.8288
How to Cite: Wijayarathna, K.S.N., Weerasingha, G.G.A.P., Weligamage, A.S., Chandrajith, R. and Abeygunasekera, A.M., 2016. Infrared spectroscopic analysis of staghorn calculi obtained after open renal surgery in a urology unit of Sri Lanka. Ceylon Medical Journal, 61(2), pp.74–76. DOI: http://doi.org/10.4038/cmj.v61i2.8288
Published on 23 Jun 2016.
Peer Reviewed

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