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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Néphrolithiases récurrentes de brushite révélant une hyperparathyroïdie primaire = Recurrent episodes of brushite nephrolithiasis revealing primary hyperparathyroidism

Authors: I. Simon; T. Roumeguère; F. Devuyst; F. Cotton; B. Tang; M. Cappello; S. Corbetta; +3 Authors

Néphrolithiases récurrentes de brushite révélant une hyperparathyroïdie primaire = Recurrent episodes of brushite nephrolithiasis revealing primary hyperparathyroidism

Abstract

Introduction : La néphrolithiase est une pathologie fréquente affectant 1 à 20 % de la population générale. Cette affection prédomine chez les hommes (2:1) et est caractérisée par un taux élevé de récidives (environ 50 %). Cas clinique : Nous rapportons le cas d’un patient de 45 ans qui a présenté pendant une dizaine d’années des épisodes récurrents de coliques néphrétiques bilatérales liées à des lithiases de brushite. Ces lithiases ont été traitées par de multiples séances de lithotritie extracorporelle. Un syndrome de la jonction pyélo-urétérale droite prédisposant à la formation de volumineuses lithiases a été mis en évidence et a nécessité une pyéloplastie. Après plus de 10 ans d’activité de la maladie, un screening biochimique a conduit au diagnostic d’hyperparathyroïdie primaire (HPTP). Le bilan radiologique a identifié un adénome parathyroïdien. La résection chirurgicale de cette lésion a été suivie d’une résolution de la formation de calculs rénaux symptomatiques. Discussion : L’HPTP est associée à des lithiases rénales chez environ 20 % des patients. L’hypercalciurie est le principal facteur de risque mais d’autres facteurs prédisposants sont sans doute également impliqués. Les patients présentant un polymorphisme localisé au niveau de la séquence codante du gène du récepteur sensible au calcium ou au niveau d’une région régulatrice de ce gène, semblent être plus à risque de développer des lithiases urinaires. Conclusion : Le cas décrit souligne l'importance d'une évaluation métabolique chez tout patient présentant des néphrolithiases récurrentes, surtout bilatérales.

Introduction : Nephrolithiasis is a frequent disease observed in 1 to 20 % of the general population. This disease predominates in male patients (2:1) and is characterized by a high rate of recurrences (about 50 %). Case report : We report the case of a 45-year old male patient who experienced during about ten years recurrent bilateral renal colic episodes due to brushite lithiasis. These stones were treated with multiple extracorporeal shock wave lithotripsy sessions. A pyeloureteral junction syndrome predisposing to bulky stones formation has been put in evidence and required a pyeloplasty. After more than ten years of disease activity, a biochemical screening diagnosed primary hyperparathyroidism (PHPT). Radiological assessment identified a parathyroid gland adenoma. Successful surgical removal of this lesion was followed by resolution of the symptomatic kidney stones formation. Discussion : PHPT is associated with kidney stones in about 20 % of the patients. Hypercalciuria is the main risk factor of stones formation but other predisposing factors are also probably involved. Patients carrying a polymorphism located in the coding sequence of the calcium-sensing receptor gene or in the regulatory region of this gene seem to experience an increased occurrence of urinary lithiasis. Conclusion : The present case stresses the impor tance of a metabolic assessment in all patients with recurrent nephrolithiasis, especially in case of bilateral episodes.

Country
Italy
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Keywords

calcium-sensing receptor; hypercalciuria; nephrolithiasis; primary hyperparathyroidism

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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