K. Roberts, Urinary Tract Infections, American Journal of Kidney Diseases, vol.4, issue.2, pp.595-610, 2011.
DOI : 10.1016/S0272-6386(84)80057-8

M. Riccabona, F. Avni, and J. Blickman, Imaging recommendations in paediatric uroradiology, Pediatric Radiology, vol.2, issue.Suppl 1, pp.138-183, 2007.
DOI : 10.1007/s00247-009-1233-6

URL : https://hal.archives-ouvertes.fr/hal-00505112

E. Garin, F. Olavarria, and V. Nieto, Clinical Significance of Primary Vesicoureteral Reflux and Urinary Antibiotic Prophylaxis After Acute Pyelonephritis: A Multicenter, Randomized, Controlled Study, PEDIATRICS, vol.117, issue.3, pp.626-658, 2006.
DOI : 10.1542/peds.2005-1362

M. Pennesi, L. Travan, and L. Peratoner, Is Antibiotic Prophylaxis in Children With Vesicoureteral Reflux Effective in Preventing Pyelonephritis and Renal Scars? A Randomized, Controlled Trial, PEDIATRICS, vol.121, issue.6, pp.1489-1494, 2008.
DOI : 10.1542/peds.2007-2652

G. Montini, L. Rigon, and P. Zucchetta, Prophylaxis After First Febrile Urinary Tract Infection in Children? A Multicenter, Randomized, Controlled, Noninferiority Trial, PEDIATRICS, vol.122, issue.5, pp.1064-71, 2008.
DOI : 10.1542/peds.2007-3770

G. Roussey-kesler, V. Gadjos, and N. Idres, Antibiotic Prophylaxis for the Prevention of Recurrent Urinary Tract Infection in Children With Low Grade Vesicoureteral Reflux: Results From a Prospective Randomized Study, The Journal of Urology, vol.179, issue.2, pp.674-679, 2008.
DOI : 10.1016/j.juro.2007.09.090

URL : https://hal.archives-ouvertes.fr/hal-00453361

P. Brandström, T. Nevéus, and R. Sixt, The Swedish Reflux Trial in Children: IV. Renal Damage, The Journal of Urology, vol.184, issue.1, pp.292-299, 2010.
DOI : 10.1016/j.juro.2010.01.060

P. Brandström, E. Esbjörner, and M. Herthelius, The Swedish Reflux Trial in Children: III. Urinary Tract Infection Pattern, The Journal of Urology, vol.184, issue.1, pp.286-91, 2010.
DOI : 10.1016/j.juro.2010.01.061

S. Iacobelli, F. Bonsante, and J. Guignard, Infections urinaires en p??diatrie, Archives de P??diatrie, vol.16, issue.7, pp.1073-1082, 2009.
DOI : 10.1016/j.arcped.2009.03.001

T. Kanellopoulos, C. Salakos, and I. Spiliopoulou, First urinary tract infection in neonates, infants and young children: a comparative study, Pediatric Nephrology, vol.15, issue.Suppl 3, pp.1131-1138, 2006.
DOI : 10.1007/s00467-006-0158-7

K. Ismaili, K. Lolin, and N. Damry, Febrile Urinary Tract Infections in 0- to 3-Month-Old Infants: A Prospective Follow-Up Study, The Journal of Pediatrics, vol.158, issue.1, pp.91-95, 2011.
DOI : 10.1016/j.jpeds.2010.06.053

B. Jakobsson, E. Esbjörner, and S. Hansson, Minimum Incidence and Diagnostic Rate of First Urinary Tract Infection, PEDIATRICS, vol.104, issue.2, pp.222-228, 1999.
DOI : 10.1542/peds.104.2.222

S. Mårild and U. Jodal, Incidence rate of first-time symptomatic urinary tract infection in children under 6 years of age, Acta Paediatrica, vol.11, issue.Suppl 252, pp.549-52, 1998.
DOI : 10.1111/j.1651-2227.1998.tb01502.x

A. Hellström, E. Hanson, and S. Hansson, Association between urinary symptoms at 7 years old and previous urinary tract infection., Archives of Disease in Childhood, vol.66, issue.2, pp.232-236, 1991.
DOI : 10.1136/adc.66.2.232

T. Berrocal, P. López-pereira, and A. Arjonilla, Anomalies of the Distal Ureter, Bladder, and Urethra in Children: Embryologic, Radiologic, and Pathologic Features, RadioGraphics, vol.22, issue.5, pp.1139-64, 2002.
DOI : 10.1148/radiographics.22.5.g02se101139

R. Lim, Vesicoureteral Reflux and Urinary Tract Infection: Evolving Practices and Current Controversies in Pediatric Imaging, American Journal of Roentgenology, vol.192, issue.5, pp.1197-208, 2009.
DOI : 10.2214/AJR.08.2187

R. Lebowitz, H. Olbing, and K. Parkkulainen, International system of radiographic grading of vesicoureteric reflux, Pediatric Radiology, vol.5, issue.2, pp.105-114, 1985.
DOI : 10.1007/BF02388714

G. Williams, J. Fletcher, and S. Alexander, Vesicoureteral Reflux, Journal of the American Society of Nephrology, vol.19, issue.5, pp.847-62, 2008.
DOI : 10.1681/ASN.2007020245

B. Jakobsson, U. Berg, and L. Svensson, Renal scarring after acute pyelonephritis., Archives of Disease in Childhood, vol.70, issue.2, pp.111-116, 1994.
DOI : 10.1136/adc.70.2.111

S. Leroy, C. Adamsbaum, and E. Marc, Procalcitonin as a Predictor of Vesicoureteral Reflux in Children With a First Febrile Urinary Tract Infection, PEDIATRICS, vol.115, issue.6, pp.706-709, 2005.
DOI : 10.1542/peds.2004-1631

S. Leroy, S. Vantalon, and A. Larakeb, Vesicoureteral Reflux in Children with Urinary Tract Infection: Comparison of Diagnostic Accuracy of Renal US Criteria, Radiology, vol.255, issue.3, pp.890-898, 2010.
DOI : 10.1148/radiol.10091359

S. Leroy, C. Romanello, and A. Galetto-lacour, Procalcitonin is a Predictor for High-Grade Vesicoureteral Reflux in Children: Meta-Analysis of Individual Patient Data, The Journal of Pediatrics, vol.159, issue.4, pp.644-651, 2011.
DOI : 10.1016/j.jpeds.2011.03.008

J. Elder, Therapy for vesicoureteral reflux: Antibiotic prophylaxis, urotherapy, open surgery, endoscopic injection, or observation?, Current Urology Reports, vol.177, issue.Suppl4, pp.143-50, 2008.
DOI : 10.1007/s11934-008-0026-z

V. Fouquet and A. Ghoneimi, Vessie immature et dysfonctionnement vésicosphinctérien Médecine thérapeutique / Pédiatrie, pp.198-205, 2004.

P. Mariani-kurkdjian, Physiopathologie des infections urinaires Médecine thérapeutique / Pédiatrie, pp.167-72, 2004.

J. Roberts, Etiology and Pathophysiology of Pyelonephritis, American Journal of Kidney Diseases, vol.17, issue.1, pp.1-9, 1991.
DOI : 10.1016/S0272-6386(12)80242-3

G. Källenius, S. Svenson, and H. Hultberg, Occurence of P-Fimbriae escherichia coli in urinary tract infections. The Lancet, pp.1369-72, 1981.

E. Girardin, Traitement des infections urinaires chez l'enfant. Paediatrica, pp.12-18, 2008.

A. Hoberman, H. Chao, and D. Keller, Prevalence of urinary tract infection in febrile infants, The Journal of Pediatrics, vol.123, issue.1, pp.17-23, 1993.
DOI : 10.1016/S0022-3476(05)81531-8

R. Bachur and G. Caputo, Bacteremia and meningitis among infants with urinary tract infections, Pediatric Emergency Care, vol.11, issue.5, pp.280-284, 1995.
DOI : 10.1097/00006565-199510000-00004

R. Pitetti and S. Choi, Utility of blood cultures in febrile children with UTI, The American Journal of Emergency Medicine, vol.20, issue.4, pp.271-275, 2002.
DOI : 10.1053/ajem.2002.33786

C. Ginsburg and G. Mccracken, Urinary tract infections in young infants, Pediatrics, vol.69, issue.4, pp.409-421, 1982.

M. Rodière and H. Zebiche, Indications des marqueurs biologiques d'infection en situation d'urgence. Archives de Pédiatrie, pp.219-241, 2002.

P. Pulliam, M. Attia, and K. Cronan, C-Reactive Protein in Febrile Children 1 to 36 Months of Age With Clinically Undetectable Serious Bacterial Infection, PEDIATRICS, vol.108, issue.6, pp.1275-1284, 2001.
DOI : 10.1542/peds.108.6.1275

F. Lopez, A. , L. Cubells, C. , G. García et al., Procalcitonin in pediatric emergency departments for the early diagnosis of invasive bacterial infections in febrile infants: results of a multicenter study and utility of a rapid qualitative test for this marker, The Pediatric Infectious Disease Journal, vol.22, issue.10, pp.895-903, 2003.
DOI : 10.1097/01.inf.0000091360.11784.21

A. Van-rossum, R. Wulkan, and A. Oudesluys-murphy, Procalcitonin as an early marker of infection in neonates and children. The Lancet Infectious Diseases, pp.620-650, 2004.

P. Pecile, E. Miorin, and C. Romanello, Procalcitonin: A Marker of Severity of Acute Pyelonephritis Among Children, PEDIATRICS, vol.114, issue.2, pp.249-254, 2004.
DOI : 10.1542/peds.114.2.e249

S. Bigot, P. Leblond, and C. Foucher, Apport du dosage de la procalcitonine pour le diagnostic de pyélonéphrite aiguë de l'enfant. Archives de Pédiatrie, pp.1075-80, 2005.

V. Smolkin, A. Koren, and R. Raz, Procalcitonin as a marker of acute pyelonephritis in infants and children, Pediatric Nephrology, vol.17, issue.6, pp.409-421, 2002.
DOI : 10.1007/s00467-001-0790-1

M. Assicot, C. Bohuon, and D. Gendrel, High serum procalcitonin concentrations in patients with sepsis and infection. The Lancet, pp.515-523, 1993.

A. Gervaix, A. Galetto-lacour, and T. Gueron, Usefulness of procalcitonin and C-reactive protein rapid tests for the management of children with urinary tract infection, The Pediatric Infectious Disease Journal, vol.20, issue.5, pp.507-518, 2001.
DOI : 10.1097/00006454-200105000-00007

L. Simon, F. Gauvin, and D. Amre, Serum Procalcitonin and C-Reactive Protein Levels as Markers of Bacterial Infection: A Systematic Review and Meta-analysis, Clinical Infectious Diseases, vol.39, issue.2
DOI : 10.1086/421997

N. Benador and C. Siegrist, Procalcitonin Is a Marker of Severity of Renal Lesions in Pyelonephritis, PEDIATRICS, vol.102, issue.6, p.1422, 1998.
DOI : 10.1542/peds.102.6.1422

S. Bressan, B. Andreola, and P. Zucchetta, Procalcitonin as a predictor of renal scarring in infants and young children, Pediatric Nephrology, vol.156, issue.6, pp.1199-204, 2009.
DOI : 10.1007/s00467-009-1125-x

C. Prat, J. Domínguez, and C. Rodrigo, Elevated serum procalcitonin values correlate with renal scarring in children with urinary tract infection, The Pediatric Infectious Disease Journal, vol.22, issue.5, pp.438-480, 2003.
DOI : 10.1097/01.inf.0000066161.48499.0e

I. Ipek, R. Sezer, and E. Senkal, Relationship Between Procalcitonin Levels and Presence of Vesicoureteral Reflux During First Febrile Urinary Tract Infection in Children, Urology, vol.79, issue.4, pp.883-890, 2012.
DOI : 10.1016/j.urology.2011.11.014

I. Ramage, J. Chapman, and A. Hollman, Accuracy of clean-catch urine collection in infancy, The Journal of Pediatrics, vol.135, issue.6, pp.765-772, 1999.
DOI : 10.1016/S0022-3476(99)70099-5

F. Al-orifi, D. Mcgillivray, and S. Tange, Urine culture from bag specimens in young children : Are the risks too high ? The Journal of Pediatrics, pp.221-227, 2000.

P. Whiting, M. Westwood, and I. Watt, Rapid tests and urine sampling techniques for the diagnosis of urinary tract infection (UTI) in children under five years: a systematic review, BMC Pediatrics, vol.138, issue.1, p.4, 2005.
DOI : 10.7326/0003-4819-138-1-200301070-00012-w1

E. Crain and J. Gershel, Urinary tract infections in febrile infants younger than 8 weeks of age, Pediatrics, vol.86, issue.3, p.363, 1990.

G. Turner and M. Coulthard, Fever can cause pyuria in children, BMJ, vol.311, issue.7010, p.924, 1995.
DOI : 10.1136/bmj.311.7010.924

A. Doley and M. Nelligan, Is a negative dipstick urinalysis good enough to exclude urinary tract infection in paediatric emergency department patients?, Emergency Medicine Australasia, vol.103, issue.1, pp.77-80, 2003.
DOI : 10.1067/mpd.2000.107466

G. Montini, A. Toffolo, and P. Zucchetta, Antibiotic treatment for pyelonephritis in children: multicentre randomised controlled non-inferiority trial, BMJ, vol.335, issue.7616, p.386, 2007.
DOI : 10.1136/bmj.39244.692442.55

V. Baudouin and . Néphropathie-de-reflux, Médecine thérapeutique / Pédiatrie, pp.191-198, 2004.

F. Bouissou, C. Munzer, and S. Decramer, Prospective, Randomized Trial Comparing Short and Long Intravenous Antibiotic Treatment of Acute Pyelonephritis in Children: Dimercaptosuccinic Acid Scintigraphic Evaluation at 9 Months, PEDIATRICS, vol.121, issue.3, pp.553-560, 2008.
DOI : 10.1542/peds.2006-3632

A. Hoberman, M. Charron, and R. Hickey, Imaging Studies after a First Febrile Urinary Tract Infection in Young Children, New England Journal of Medicine, vol.348, issue.3, pp.195-202, 2003.
DOI : 10.1056/NEJMoa021698

M. Gürgöze, S. Akarsu, and E. Yilmaz, Proinflammatory cytokines and procalcitonin in children with acute pyelonephritis, Pediatric Nephrology, vol.37, issue.10, pp.1445-1453, 2005.
DOI : 10.1007/s00467-005-1941-6

N. Shaikh, A. Ewing, and S. Bhatnagar, Risk of Renal Scarring in Children With a First Urinary Tract Infection: A Systematic Review, PEDIATRICS, vol.126, issue.6, pp.1084-91, 2010.
DOI : 10.1542/peds.2010-0685

L. Ghiro, A. Cracco, and M. Sartor, Retrospective Study of Children with Acute Pyelonephritis, Nephron, vol.90, issue.1, pp.8-15, 2002.
DOI : 10.1159/000046308

A. Hoberman, E. Wald, and R. Hickey, Oral Versus Initial Intravenous Therapy for Urinary Tract Infections in Young Febrile Children, PEDIATRICS, vol.104, issue.1, p.79, 1999.
DOI : 10.1542/peds.104.1.79

E. Stokland, M. Hellström, and B. Jacobsson, Renal damage one year after first urinary tract infection: Role of dimercaptosuccinic acid scintigraphy, The Journal of Pediatrics, vol.129, issue.6, pp.815-835, 1996.
DOI : 10.1016/S0022-3476(96)70024-0

S. Swerkersson, U. Jodal, and R. Sixt, Relationship Among Vesicoureteral Reflux, Urinary Tract Infection and Renal Damage in Children, The Journal of Urology, vol.178, issue.2, pp.647-651, 2007.
DOI : 10.1016/j.juro.2007.04.004

C. Polito, P. Rambaldi, and G. Signoriello, Permanent renal parenchymal defects after febrile UTI are closely associated with vesicoureteric reflux, Pediatric Nephrology, vol.169, issue.4, pp.521-527, 2006.
DOI : 10.1007/s00467-006-0036-3

P. Conway, A. Cnaan, and T. Zaoutis, Recurrent Urinary Tract Infections in Children, JAMA, vol.298, issue.2, pp.179-86, 2007.
DOI : 10.1001/jama.298.2.179

J. Dacher, F. Bonnin, and G. Sebag, Imagerie de la pyélonéphrite aiguë de l'enfant

E. Dinkel, S. Orth, and M. Dittrich, Renal sonography in the differentiation of upper from lower urinary tract infection, American Journal of Roentgenology, vol.146, issue.4, pp.775-80, 1986.
DOI : 10.2214/ajr.146.4.775

D. Morin, C. Veyrac, and P. Kotzki, Comparison of ultrasound and dimercaptosuccinic acid scintigraphy changes in acute pyelonephritis, Pediatric Nephrology, vol.13, issue.3, pp.219-241, 1999.
DOI : 10.1007/s004670050596

E. Avni, D. Van-gansbeke, and Y. Thoua, US demonstration of pyelitis and ureteritis in children, Pediatric Radiology, vol.154, issue.2, pp.134-143, 1988.
DOI : 10.1007/BF02387557

E. Sorantin, R. Fotter, and R. Aigner, The sonographically thickened wall of the upper urinary tract system: correlation with other imaging methods, Pediatric Radiology, vol.27, issue.8, pp.667-71, 1997.
DOI : 10.1007/s002470050208

D. Alton, G. Lequesne, and R. Gent, Sonographically demonstrated thickening of the renal pelvis in children, Pediatric Radiology, vol.35, issue.6, pp.426-435, 1992.
DOI : 10.1007/BF02013503

J. Dacher, C. Pfister, and M. Monroc, Power Doppler sonographic pattern of acute pyelonephritis in children: comparison with CT., American Journal of Roentgenology, vol.166, issue.6, pp.1451-1456, 1996.
DOI : 10.2214/ajr.166.6.8633462

M. Basiratnia, H. Noohi, A. Lotfi, and M. , Power Doppler sonographic evaluation of acute childhood pyelonephritis, Pediatric Nephrology, vol.13, issue.12, pp.1854-1861, 2006.
DOI : 10.1007/s00467-006-0262-8

S. Bykov, L. Chervinsky, and V. Smolkin, Power Doppler Sonography Versus Tc-99m DMSA Scintigraphy for Diagnosing Acute Pyelonephritis in Children, Clinical Nuclear Medicine, vol.28, issue.3, pp.198-203, 2003.
DOI : 10.1097/01.RLU.0000053407.04034.B1

R. Halevy, V. Smolkin, and S. Bykov, Power Doppler ultrasonography in the diagnosis of acute childhood pyelonephritis, Pediatric Nephrology, vol.19, issue.9, pp.987-91, 2004.
DOI : 10.1007/s00467-004-1529-6

A. Stogianni, P. Nikolopoulos, and I. Oikonomou, Childhood acute pyelonephritis: comparison of power Doppler sonography and Tc-DMSA scintigraphy, Pediatric Radiology, vol.168, issue.7, pp.685-90, 2007.
DOI : 10.1007/s00247-007-0510-5

A. Hitzel, A. Liard, and P. Véra, Color and power Doppler sonography versus DMSA scintigraphy in acute pyelonephritis and in prediction of renal scarring, J Nucl Med, vol.43, issue.1, pp.27-32, 2002.

E. Hajjar, M. Launay, S. Hossein-foucher, and C. , Echographie Doppler énergie et pyélonéphrite aigue de l'enfant : Comparaison avec la

G. Mandell, D. Eggli, and D. Gilday, Procedure guideline for renal cortical scintigraphy in children. Society of Nuclear Medicine, J Nucl Med, vol.38, issue.10, pp.1644-1650, 1997.

M. Rossleigh, Scintigraphic imaging in renal infections, Q J Nucl Med Mol Imaging, vol.53, issue.1, pp.72-79, 2009.

A. Kovanlikaya, N. Okkay, and H. Cakmakci, Comparison of MRI and renal cortical scintigraphy findings in childhood acute pyelonephritis: preliminary experience, European Journal of Radiology, vol.49, issue.1, pp.76-80, 2004.
DOI : 10.1016/S0720-048X(02)00350-9

E. Kavanagh, S. Ryan, and A. Awan, Can MRI replace DMSA in the detection of renal parenchymal defects in children with urinary tract infections ? Pediatric Radiology, pp.275-81, 2005.

G. Lonergan, D. Pennington, and J. Morrison, Childhood Pyelonephritis, The Journal of Urology, vol.207, issue.2, pp.377-84, 1998.
DOI : 10.1097/00005392-199901000-00124

M. Majd, N. Blask, A. Markle, and B. , Tc-DMSA SPECT, Spiral CT, MR Imaging, and Power Doppler US in an Experimental Pig Model, Radiology, vol.218, issue.1, pp.101-109, 2001.
DOI : 10.1148/radiology.218.1.r01ja37101

D. Pennington, G. Lonergan, and C. Flack, Experimental pyelonephritis in piglets: diagnosis with MR imaging., Radiology, vol.201, issue.1, pp.199-205, 1996.
DOI : 10.1148/radiology.201.1.8816544

D. Wheat, I. Gordon, and I. Moorthy, Ultrasonography in the evaluation of renal scarring using DMSA scan as the gold standard, Pediatric Nephrology, vol.19, issue.2, pp.153-159, 2004.

J. Dacher, B. Boillot, and D. Eurin, Rational use of CT in acute pyelonephritis: Findings and relationships with reflux, Pediatric Radiology, vol.129, issue.no2, pp.281-286, 1993.
DOI : 10.1007/BF02010915

F. Papadopoulou, S. Efremidis, and A. Oiconomou, Cyclic voiding cystourethrography: Is vesicoureteral reflux missed with standard voiding cystourethrography?, European Radiology, vol.12, issue.3, pp.666-70, 2002.
DOI : 10.1007/s003300101108

Y. Aigrain, Reflux vésico-urétéral Médecine thérapeutique / Pédiatrie, pp.187-90, 2004.

K. Darge, Voiding urosonography with US contrast agent for the diagnosis of vesicoureteric reflux in children: an update, Pediatric Radiology, vol.182, issue.6, pp.956-62, 2010.
DOI : 10.1007/s00247-010-1623-9

H. Lee, B. Soh, and C. Hong, The efficacy of ultrasound and dimercaptosuccinic acid scan in predicting vesicoureteral reflux in children below the age of 2??years with their first febrile urinary tract infection, Pediatric Nephrology, vol.309, issue.10, pp.2009-2022, 2009.
DOI : 10.1007/s00467-009-1232-8

M. Lee, C. Lin, and F. Huang, Screening Young Children with a First Febrile Urinary Tract Infection for High-grade Vesicoureteral Reflux with Renal Ultrasound Scanning and Technetium-99m-labeled Dimercaptosuccinic Acid Scanning, The Journal of Pediatrics, vol.154, issue.6, pp.797-802, 2009.
DOI : 10.1016/j.jpeds.2008.12.045

E. Avni, K. Ayadi, and F. Rypens, Can careful ultrasound examination of the urinary tract exclude vesicoureteric reflux in the neonate?, The British Journal of Radiology, vol.70, issue.838, pp.977-82, 1997.
DOI : 10.1259/bjr.70.838.9404197

M. Dipietro, C. Blane, and J. Zerin, Vesicoureteral Reflux in Older Children, The Journal of Urology, vol.205, issue.3, pp.821-823, 1997.
DOI : 10.1097/00005392-199807000-00114

W. Foresman, W. Hulbert, . Jr, and R. Rabinowitz, DOES URINARY TRACT ULTRASONOGRAPHY AT HOSPITALIZATION FOR ACUTE PYELONEPHRITIS PREDICT VESICOURETERAL REFLUX?, The Journal of Urology, vol.165, issue.6, pp.2232-2236, 2001.
DOI : 10.1016/S0022-5347(05)66172-1

S. Mahant, J. Friedman, and C. Macarthur, Renal ultrasound findings and vesicoureteral reflux in children hospitalised with urinary tract infection, Archives of Disease in Childhood, vol.86, issue.6, pp.419-439, 2002.
DOI : 10.1136/adc.86.6.419

O. Muensterer, Comprehensive ultrasound versus voiding cysturethrography in the diagnosis of vesicoureteral reflux, European Journal of Pediatrics, vol.161, issue.8, pp.435-442, 2002.
DOI : 10.1007/s00431-002-0990-0

I. Preda, U. Jodal, and R. Sixt, Value of Ultrasound in Evaluation of Infants With First Urinary Tract Infection, The Journal of Urology, vol.183, issue.5, pp.1984-1992, 2010.
DOI : 10.1016/j.juro.2010.01.032

L. Guen, A. Proisy, M. Darnault, and P. , Apports de l'échographie dans le diagnostic de reflux vésico-urétéral dans la pyélonéphrite aigue de l'enfant. Journées Françaises de radiologie, 2011.

M. Davey, J. Zerin, and C. Reilly, Mild renal pelvic dilatation is not predictive of vesicoureteral reflux in children, Pediatric Radiology, vol.27, issue.12, pp.908-919, 1997.
DOI : 10.1007/s002470050268

E. Evans, J. Meyer, and M. Harty, Assessment of increase in renal pelvic size on post-void sonography as a predictor of vesicoureteral reflux, Pediatric Radiology, vol.29, issue.4, pp.291-295, 1999.
DOI : 10.1007/s002470050591

I. Kenney, A. Negus, and F. Miller, Is sonographically demonstrated mild distal ureteric dilatation predictive of vesicoureteric reflux as seen on micturating cystourethrography ? Pediatric Radiology, pp.175-183, 2002.

Y. Tsai, C. Hsu, and G. Lin, Vesicoureteral reflux in hospitalized children with urinary tract infection : the clinical value of pelvic ectasia on renal ultrasound, inflammatory responses and demographic data, Chang Gung Med J, vol.27, issue.6, pp.436-478, 2004.

T. Berrocal, I. Pinilla, and J. Gutiérrez, Mild hydronephrosis in newborns and infants: can ultrasound predict the presence of vesicoureteral reflux, Pediatric Nephrology, vol.15, issue.Supp 4, pp.91-97, 2007.
DOI : 10.1007/s00467-006-0285-1

J. Chateil, H. Brisse, and J. Dacher, Echographie en urologie pédiatrique, J Radiol, vol.82, issue.6, pp.781-800, 2001.

J. Craig, J. Simpson, and G. Williams, Antibiotic Prophylaxis and Recurrent Urinary Tract Infection in Children, New England Journal of Medicine, vol.361, issue.18, pp.1748-59, 2009.
DOI : 10.1056/NEJMoa0902295

P. Brandström, E. Esbjörner, and M. Herthelius, The Swedish Reflux Trial in Children: I. Study Design and Study Population Characteristics, The Journal of Urology, vol.184, issue.1, pp.274-283, 2010.
DOI : 10.1016/j.juro.2010.01.055