Has he had any trauma or injury ?
This could be due to structural abnormalities of the urethra in young boys.
Children with bladder wall thickening, observed on ultrasound, should undergo voiding cystourethrography .
This procedure allows evaluation for vesicoureteral reflux, and structural abnormalities of the urethra in boys.
Hope this helped. Please click ACCEPT to help me get my dues or the deposit you made stays with just answer. You may ask follow-up questions.
A bonus would be appreciated.Best regards