A posterior urethral valve (PUV) is an embryologic remnant of tissue in the urethra that causes obstruction of the lower urinary tract during fetal development.
This obstruction resul...
PUVs generally present in four ways:
Fetal diagnoses by ultrasound (US)
Neonates with respiratory distress, abdominal distension, metabolic abnormalities
Infants with a febrile urinary t...
Insertion of a urethral catheter or feeding tube in the neonate to bypass obstruction is the initial treatment.
Confirm placement of catheter in the bladder by US, ...
Careful follow-up through adulthood should be performed.
Pediatric urology follow-up is required for future reconstructive procedures and monitor...
Chertin B, Cozzi D, Puri P. Long-term results of primary avulsion of posterior urethral valves using a Fogarty balloon catheter. J Urol. 2002;168(4, Pt 2):1841–1843. [View Abs...
753.8 Other specified anomalies of bladder and urethra
753.6 Atresia and stenosis of urethra and bladder neck
593.89 Other specified disorders of kidney and ureter
591 Hydronephrosis
593.70 Vesi...
Q: Do patients with PUV have decreased fertility?
A: Limited studies suggest that children treated for PUV appear to have similar fertility rates as the general population. Rarely, investigation in...
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<bold>Figure 11. 12. CT image of asymptomatic patient with partial anomalous pulmonary venous return. A,</bold> Axial image shows vessel draining from right lung into superior vena cava. <bold>B,</bold> 3D CT Posterior view. 3D image demonstrates no superior right pulmonary vein in the usual location. The anomalous vessel can be seen near the top of the picture. <bold>C,</bold> 3D CT Anterior view. 3D workstation used to highlight two anomalous right pulmonary veins that were present draining into the superi...
<bold>Figure 11. 12. CT image of asymptomatic patient with partial anomalous pulmonary venous return. A,</bold> Axial image sh...