case_images: PMC9280888_01
case_images: Radiograph of the neonate's chest and abdomen showing generalized edema and tense distended abdomen with a mount of ascites.
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case_images: F1
case_images: Physical examination during admission found skin edema, tense distended abdomen with an indwelling abdominal catheter, and tachypnea on mechanical ventilation (Figure 1).
case_images: This broken line graph shows the variation of the blood urea and creatinine during the hospital and follow-up. DOL: Day of life; US: ultrasound; VCUG: Voiding cystourethrogram.
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case_images: PMC9280888_01_fped-10-920817-g002.jpg
case_images: F2
case_images: Blood chemistry taken in the first few days revealed hypoalbuminemia and creatinine of 70 umol/L (Figure 2).
case_images: PMC9280888_02
case_images: The voiding cystourethrogram showed the obstruction and the proximal dilation of the urethra without vesicoureteral reflux, and a large amount of residual contrast solution in the bladder after voiding. The arrow points to the circular defect of the anterior urethra.
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case_images: F3
case_images: Voiding cystourethrogram (VCUG) was performed on day 18 after birth on the urologist's recommendation, showing a small circular defect of the anterior urethra and obstructive lesion of the anterior urethra (Figure 3).
case_images: The endoscopic view showing a cusp-like valve as the distal structure of the diverticulum in the anterior urethra, the arrow points to the diverticulum in the 6 o'clock position of the urethra.
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case_images: PMC9280888_02_fped-10-920817-g004.jpg
case_images: F4
case_images: Therefore, the anterior urethral valve and diverticulum were identified, which had successful treatment by Holmium laser under cystourethroscopy on day 21 after birth (Figure 4).
case_images: PMC9280888_03