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Fulltext Echocontrast cystosonography versus micturating cystourethrography in the detection of vesicoureteric reflux

Faizah M, Kanaheswari Y, Thambidorai C, Zulfiqar M

Biomed Imaging Interv J, 2011 Jan-Mar;7(1):e7.
PMID: 21655116 MyJurnal DOI: 10.2349/biij.7.1.e7

To compare echocontrast cystosonography (ECS) using in-vivo agitated saline with fluoroscopic micturating cystourethrography (MCU) in the detection and grading of vesicoureteric reflux (VUR).

Matched MeSH terms: Vesico-Ureteral Reflux
Fulltext Contrast enhanced voiding urosonography (ce-VUS) as a radiation-free technique in the diagnosis of vesicoureteric reflux: Our early experience

Faizah MZ, Hamzaini AH, Kanaheswari Y, Dayang A AA, Zulfiqar MA

Med J Malaysia, 2015 Oct;70(5):269-72.
PMID: 26556113 MyJurnal

OBJECTIVE: Contrast-enhanced ultrasound has become increasingly utilised as an alternative imaging modality for the diagnosis of vesicoureteric reflux (VUR) in paediatric patients. The study objective is to evaluate the efficacy of contrast enhanced Voiding Urosonography (ce-VUS) compared with fluoroscopic micturating cystourethrography (MCU) in the detection of VUR.
METHODS: This prospective study was carried out between July 2011 and January 2013 on paediatric patients who underwent MCU. All consented patients would undergo ce- VUS prior to MCU. We documented the epidemiology details, the number of Kidney-Ureter (K-U) unit studied, baseline renal and bladder sonogram, as well as presence of VUR on ce-VUR. The technique for ce-VUS was standardized using normal saline to fill the bladder prior to administration of SonoVue® (2.5 ml) to assess the kidney-ureter (K-U) unit. Dedicated contrast detection software was used to discern the presence of microbubbles in the pelvicaliceal system (PCS). The findings were then compared with MCU.
RESULTS: 27 paediatric patients were involved in the study [17 males (63%) and 10 females (37%)] involving 55 K-U units (one patient had a complete duplex system). MCU detected VUR in 10 K-U units while ce-VUS detected VUR in 8 out of the 10 K-U units. There were 2 false negative cases (both Grade 1) with ce-VUS. The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of ce-VUS were 80%, 98%, 95%, 89% and 96%, respectively.
CONCLUSION: ce-VUS is a sensitive and specific radiation-free alternative for the detection of VUR in the paediatric population.

Matched MeSH terms: Vesico-Ureteral Reflux*
Age- and gender-specific normal post void residual urine volume in healthy adolescents

Lim LY, Chang SJ, Yang SS

J Pediatr Urol, 2023 Aug;19(4):367.e1-367.e6.
PMID: 37029009 DOI: 10.1016/j.jpurol.2023.03.026

INTRODUCTION: Elevated post void residual (PVR) is a significant risk factor for urinary tract infections (UTI). It is also a significant predictor of treatment outcomes in cases of vesicoureteral reflux, pediatric enuresis, and non-neurogenic LUT dysfunction. However, the absence of age-specific nomograms for adolescents may limit PVR's use in clinical practice.
OBJECTIVE: To establish age- and gender-specific normal PVR urine volume in adolescents.
MATERIAL AND METHODS: Healthy adolescents aged 12-18 years were recruited to undergo two uroflowmetry and PVR studies whenever they felt the urge to urinate. Adolescents with neurological disorders, known LUT dysfunction or UTI were excluded.
RESULTS: A total of 1050 adolescents were invited, but only 651 consented. Fourteen participants were excluded due to low bladder volume (BV 100 ml (n = 5) and missing information (n = 6). Ultimately, 894 uroflowmetry and PVR from 605 adolescents (mean age 14.6 ± 1.5 years) were analyzed. PVRs were higher in adolescents aged 15-18 years than in those aged 12-14 years (P 20 ml (7% BV) for males of both the age groups, and PVR >25 ml (9% BV) and PVR >35 ml (>10% BV) for females aged 12-14 and 15-18 years, respectively. Further investigation may be warranted if the repeat PVR is above the 95th percentile, i.e., PVR >30 ml (8% BV) and >30 ml (11% BV) for males aged 12-14 and 15-18 years, respectively, and PVR >35 ml (11% BV) and >45 ml (13% BV) for females aged 12-14 and 15-18 years, respectively.
CONCLUSION: PVR increases with age and varies by gender; thus, age-and gender-specific reference values should be used. Further data from other countries is required to determine whether the study's recommendations can be applied globally.

Matched MeSH terms: Vesico-Ureteral Reflux*
Perineal hamartoma with accessory scrotum, anorectal anomaly, and hypospadias-a rare association with embryological significance: case report

Ramzisham AR, Thambidorai CR

Pediatr Surg Int, 2005 Jun;21(6):478-81.
PMID: 15902476

A rare case of a newborn male with a perineal hamartoma, accessory scrotum, anorectal anomaly, hypospadias, and bifid scrotum is reported, with discussion of its embryological significance. Only three other cases with such a combination of anomalies have been reported in the English literature.

Matched MeSH terms: Vesico-Ureteral Reflux/complications
Fulltext Compensatory renal hypertrophy in reflux nephropathy presenting as hypertensive emergency

Othman Tan SES, Mohamad SD, Ahmad MZ

Oxf Med Case Reports, 2021 Feb;2021(2):omaa132.
PMID: 33614043 DOI: 10.1093/omcr/omaa132

Hypertensive emergency in the paediatric population is not uncommon. However, due to its numerous etiologies, care should be taken in determining the approach of management. We report a case of a child who presented with double vision, giddiness and elevated blood pressure. Blood investigations were normal. Renal ultrasound and magnetic resonance imaging of the abdomen were performed which both showed findings suspicious of a large heterogeneous mass at the lower pole of the left kidney with dysplastic right kidney. A final diagnosis of bilateral vesicoureteric reflux with left compensatory hypertrophy was made based upon micturating cystourethrography findings and was later confirmed by 99mTc-dimercaptosuccinic acid (DMSA) study. The objective of this case is to share the importance of the appropriate choice of radiological examinations, not only in achieving an accurate diagnosis but to ensure that unnecessary investigations are avoided.

Matched MeSH terms: Vesico-Ureteral Reflux