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Acute mechanical duodenal obstruction due to giant hydronephrosis: an unusual cause of acute abdomen
  1. Ashish Sharma,
  2. Samarth Agarwal,
  3. Rahul Janak Sinha,
  4. Gaurav Garg
  1. Department of Urology, King George’s Medical University, Lucknow, Uttar Pradesh, India
  1. Correspondence to Gaurav Garg, gougarg{at}


Giant hydronephrosis (GH) is a rare clinical entity with about 600 cases and defined as the adult renal pelvis containing greater than 1 L of fluid, or at least 1.6% of the body weight or kidney occupying the hemiabdomen. The pelvic-ureteric junction (PUJ) obstruction is the most frequent cause of GH. We thus report a case of massive abdominal distension due to GH secondary to PUJ obstruction who presented with acute duodenal obstruction due to extrinsic compression and was managed with percutaneous nephrostomy followed by open nephrectomy.

  • urology
  • stomach and duodenum
  • urological surgery
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  • Contributors AS and RJS: concept, design, supervision, processing, writing manuscript and critical analysis. GG: supervision, processing, writing manuscript and critical analysis. SA: concept, supervision, writing manuscript and critical analysis.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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