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Abdominal and pelvic splenosis: atypical findings, pitfalls, and mimics

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Abstract

Splenosis is an acquired form of ectopic splenic tissue that typically arises after trauma or splenectomy. It is often an incidental image finding in an otherwise asymptomatic patient, but the spectrum of symptoms varies based on the site of implantation. Radiologists should be familiar with the imaging features of splenosis to avoid mistaking it for malignancy. Splenosis has identical imaging features to that of the native spleen on US, CT, MRI, and nuclear medicine examinations. Therefore, when the radiologic findings support the diagnosis of splenosis, the patient can be spared invasive procedures for tissue sampling.

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Authors and Affiliations

  1. Department of Diagnostic Radiology, University of Missouri, One Hospital Dr. Columbia, Columbia, MO, 65212, USA

    Travis Smoot & Ayman H. Gaballah

  2. Department of Radiology, University of New Mexico, Albuquerque, NM, USA

    Jonathan Revels

  3. Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, 48109, USA

    Moataz Soliman & Hatice Savas

  4. Department of Radiology, Cleveland Clinic, Cleveland, OH, USA

    Peter Liu

  5. Department of Diagnostic Radiology, Mayo Clinic, Scottsdale, AZ, USA

    Christine O. Menias

  6. Department of Radiology, University of Michigan, Ann Arbor, MI, USA

    Hero H. Hussain

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  1. Travis Smoot
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Smoot, T., Revels, J., Soliman, M. et al. Abdominal and pelvic splenosis: atypical findings, pitfalls, and mimics. Abdom Radiol 47, 923–947 (2022). https://doi.org/10.1007/s00261-021-03402-3

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