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Imaging patterns in non-traumatic spleen lesions in adults—a review

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Abstract

The spleen is a complex organ involved in multiple physiological processes in the human body. Elective splenectomy is an uncommon operation, and the precise characterization of the lesion should be achieved to determine the risks and benefits of this operation accurately. Given the significant role of the spleen in homeostasis and the potential risks of the surgery itself and following sequelae such as infection susceptibility, accurate recognition, and classification of splenic lesions is required before surgery. This review provides an overview of malignant (e.g., lymphoma, angiosarcoma) and benign (e.g., cysts, hemangioma, hamartoma) splenic lesions that may warrant an elective splenectomy. Images from a cohort of adult patients undergoing isolated splenectomy for non-traumatic indications in a single center are provided. This review highlights the considerable overlap in imaging patterns between splenic lesions, splenic lesions masquerading as lesions in other organs, increased detection of asymptomatic splenic incidentalomas due to improvements in imaging modalities. This review also provides clinical correlations for each lesion, providing additional information to help clinicians differentiate between lesions and accurately identify diseases amenable to surgical management.

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Authors and Affiliations

  1. Imperial College London, London, UK

    Matthew Tan

  2. Department of Radiology, Tan Tock Seng Hospital, Singapore, Singapore

    Hsien Min Low & Cher Heng Tan

  3. Department of General Surgery, Tan Tock Seng Hospital, Singapore, Singapore

    Vishalkumar Shelat

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Correspondence to Vishalkumar Shelat.

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Tan, M., Low, H.M., Shelat, V. et al. Imaging patterns in non-traumatic spleen lesions in adults—a review. Jpn J Radiol 40, 664–677 (2022). https://doi.org/10.1007/s11604-022-01250-9

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