Megacystis-megaureter association

Megacystis-megaureter association (high-grade reflux)... 

Fig. 6.5. VCU in a neonate with prenatal diagnosis of megacystis and bilateral ureterohydronephrosis. Absence of posterior urethral valves. Megacystis megaureter association by aberrant micturition phenomenon...

In the megacystis-megaureter association, massive bilateral grade IV or V VUR is present. During micturition, the bladder empties normally through the urethra, but also through reflux into the ureters (Fig. 11.23a-d). At the end of micturition, the bladder is completely empty, but only for a very short time. It refills immediately with the refluxed urine ... 

Mandell J, Lebowitz RL, Peters CA et al (1992) Prenatal diagnosis of the megacystis-megaureter association. JUrol 148 1487-1489... 

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