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Imaging in paratesticular lesions
  1. Ashwini Sankhe and
  2. Pareekshith Rai
  1. Department of Radiology, LTMMC and GH, Mumbai, India
  1. Correspondence to Dr Pareekshith Rai; paree_44{at}


A 23-year-old male presented with complaints of gradually increasing swelling of the left hemiscrotum. Preliminary ultrasound scan revealed a heterogeneous, predominantly solid lesion showing raised internal vascularity with few cystic areas in the paratesticular region, towards the midline with both testes seen separately from the lesion. To rule out presence of locoregional or distant metastases, a CT scan was done which revealed a well-defined, intrascotal, extratesticular, heterogeneous, moderately enhancing mass lesion with cystic areas in the scrotal sac with no significant lymphadenopathy or obvious distant metastasis. Subsequent MRI done for surgical planning revealed a heterogeneous signal intensity lesion with cystic areas and areas of haemorrhage with focal loss of fat planes with the left corpora cavernosa at the root of the penis. The patient underwent an inguinoscrotal exploration with excision of the left paratesticular mass. Final histopathology suggested an undifferentiated high grade pleomorphic sarcoma. Paratesticular tumours while rare are an important cause of scrotal swelling. Exact histological identification of tumour subtype is not possible based on imaging but preoperative multi-modality imaging has an important role in identifying tissue of origin, differentiating benign from malignant lesions, surgical planning and assessing the need for adjuvant CT/RT.

  • radiology
  • surgical oncology
  • urological surgery

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  • Contributors AS was involved in the conception, design, drafting, proofreading and was responsible for the final approval of the article. PR was involved in the design, acquisition of data, interpretation of data, drafting and submission of the approved final manuscript. He is also the corresponding author and will be responsible for future correspondence. Both authors will be accountable for the article and to ensure that all questions regarding the accuracy or integrity of the article are investigated and resolved.

  • 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.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

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