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Renal pseudomass: be aware of splenorenal fusion
  1. Hamed Jafari1,2,
  2. Pooya Iranpour1,2,
  3. Sara Haseli1,2
  1. 1Department of Radiology, Shiraz University of Medical Sciences, Shiraz, The Islamic Republic of Iran
  2. 2Medical Imaging Research Center, Shiraz University of Medical Sciences, Shiraz, The Islamic Republic of Iran
  1. Correspondence to Dr Pooya Iranpour, pooya.iranpour{at}


Splenosis is the heterotopic implantation of splenic tissue that usually occurs in a previous major abdominal trauma or splenectomy setting. However, splenorenal fusion is an uncommon entity, categorised as a developmental anomaly. There have been several confirmed cases in the literature. Despite some helpful imaging features, it can be easily misdiagnosed as a neoplastic renal mass, resulting in unnecessary nephrectomy. Here we presented a case of splenorenal fusion in an elderly female patient, which was initially misdiagnosed as renal cell carcinoma in sonography. More specific imaging modalities and biopsy are helpful in suggesting the correct diagnosis.

  • renal medicine
  • radiology
  • urology
  • ultrasonography

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  • Contributors HJ has provided the case and images and has reviewed the article and contributed to the final version of the manuscript. PI and SH have designed the project contributed in preparing the article.

  • 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.