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BMJ Case Reports 2017; doi:10.1136/bcr-2017-219856
  • Reminder of important clinical lesson
  • CASE REPORT

Persistent fetal lobulation of kidney mimicking renal tumour

  1. Basit Salam2
  1. 1Department of Surgery (Section of Urology), Aga Khan University, Karachi, Pakistan
  2. 2Department of Radiology, Aga Khan University, Karachi, Pakistan
  1. Correspondence to Syed Muhammad Nazim, muhammad.nazim{at}aku.edu
  • Accepted 8 May 2017
  • Published 24 May 2017

Summary

Renal pseudotumour is a term coined to describe conditions of renal anatomic variants that simulate focal renal pathology like a tumour on ultrasonography. These include persistent fetal lobulation, hypertrophy of Bertin columns and dromedary humps. We report a case of a 30-year-old nulliparous woman who was managed in gynaecology clinic for menorrhagia and was subsequently referred to us for management of recurrent urinary tract infections. The clinical examination was normal and on ultrasound scan, she was found to have multiple enlarged heterogeneous solid masses in both kidneys with significantly increased vascularity, suspicious for neoplastic lesions. She subsequently underwent a CT urogram and her case was discussed in uro-radiology meeting where a diagnosis of persistent fetal lobulation was made excluding other diagnoses. She was managed conservatively. We also present grey scale and Doppler ultrasound and CT urogram findings of this condition along with the literature review.

Footnotes

  • Contributors SMN contributed to literature search and writing of manuscript. MB provided patient data including patient consent. BS provided radiology images with discription and reviewed the manuscript.

  • Competing interests None declared.

  • Patient consent Obtained.

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

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