Symptoms & Signs
There may not be any symptoms. When symptoms occur, they may include:
- Back or flank pain
- Bloody urine (hematuria)
- Lump in the abdomen (abdominal mass)
- Kidney infection
- Poor growth in infants (failure to thrive)
- Urinary tract infection, usually with fever
- Vomiting
Diagnosis & Tests
An ultrasound during pregnancy may show kidney problems in the unborn baby.
Tests after birth may include:
- BUN
- Creatinine clearance
- CT scan
- Electrolytes
- IVP
- Nuclear scan of kidneys
- Voiding cystourethrogram
Pictures & Images
Kidney anatomy
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UPJ obstruction: Overview, Causes
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UPJ obstruction: Symptoms & Signs, Diagnosis & Tests
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UPJ obstruction: Treatment
Review Date : 2/9/2009
Reviewed By : Linda Vorvick, MD, Family Physician, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; Louis S. Liou, MD, PhD, Assistant Professor of Urology, Department of Surgery, Boston University School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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