Early diagnosis of<unk>  is important because most of the cases can be reversed if treated promptly which can prevent irreversible renal injury. Renal ultrasonography is the diagnostic study of choice for the diagnosis of<unk> .
Hydronephrosis echocardiography or ultrasound
Hydronephrosis electrocardiogram
Pyonephrosis physical examination
Hydronephrosis physical examination
Pyonephrosis MRI
Hydronephrosis MRI
Pyonephrosis other diagnostic studies
Hydronephrosis laboratory findings