Periureteral liposarcoma causes of hydroureter and hydronephrosis: An unpredictable diagnosis

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When obstructive lesions from the uterus or ovaries are suspected, patients with hydronephrosis are usually referred to a gynecologist. Here, a case of suspected endometriosis related hydroureteronephrosis is reported. A 43 year old woman with hydronephrosis was found to have a left distal periureteral tumor on the computerized tomography scan. Before the operation, the hydroureteronephrosis was suspected caused by the obstruction of ureter, related with ureteral endometriosis; however, the postoperative pathology revealed the diagnosis of retroperitoneal well differentiated liposarcoma. When female patients have hydronephrosis, gynecologic causes should be considered. Both benign and malignant causes are needed to include when making differential diagnosis. Therefore, robot Assisted surgery is a feasible option because of its lower morbidity rate and more precise dissection of soft tissue than laparotomy in both benign and malignant retroperitoneal tumors.

Original languageEnglish
Pages (from-to)51-54
Number of pages4
JournalGynecology and Minimally Invasive Therapy
Issue number1
Publication statusPublished - Jan 2023


  • Case reports
  • endometriosis
  • hydronephrosis
  • liposarcoma
  • minimally invasive surgical procedures
  • retroperitoneal neoplasms
  • robotic surgical procedures

ASJC Scopus subject areas

  • Obstetrics and Gynaecology


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