Hydronephrosis differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2]


Hydronephrosis must be differentiated from parapelvic cyst, renal sinus lymphangiectasia, pyelonephritis, cystitis, ovarian cyst, pelvic tumor

Differentiating hydronephrosis from other Diseases

Hydronephrosis must be differentiated from pelvic cyst[1], renal sinus lymphangiectasia[2], ovarian cyst, pelvic tumor, ureteral polyp[3], pyelonephritis, cystitis.


  1. Han D, Ma G, Wei L, Ren C, Zhou J, Shen C, He T (May 2017). "Preliminary study on the differentiation between parapelvic cyst and hydronephrosis with non-calculous using only pre-contrast dual-energy spectral CT scans". Br J Radiol. 90 (1073): 20160632. doi:10.1259/bjr.20160632. PMC 5605099. PMID 28281789.
  2. Indiran V, Prabhu PS, Maduraimuthu P (January 2016). "Isolated Renal Sinus Lymphangiectasia-Close Mimic of Pelviureteric Junction Obstruction and Hydronephrosis". Urology. 87: e11–2. doi:10.1016/j.urology.2015.10.008. PMID 26494296.
  3. Chopra A, Teele RL (December 1980). "Hydronephrosis in children: narrowing the differential diagnosis with ultrasound". J Clin Ultrasound. 8 (6): 473–8. PMID 6777404.