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‘Spontaneous aneurysm of left testicular artery with an anomalous origin’: detection of a rare entity on CT
  1. Mansi Verma1,
  2. Vineeta Ojha1,
  3. Sheragaru Hanumanthappa Chandrashekhara2 and
  4. Sanjeev Kumar1
  1. 1Department of Cardiovascular Radiology and Endovascular Interventions, All India Institute of Medical Sciences, New Delhi, Delhi, India
  2. 2Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, Delhi, India
  1. Correspondence to Dr Sanjeev Kumar; sanjeevradio{at}

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A 29-year-old man presented with intermittent mild dull aching non-radiating epigastric pain of 3 months duration. No aggravating factors were present and the pain was relieved on analgesic medications. There was no history of fever, constitutional, urological or sexual symptoms. Also, there was no history of trauma or surgery and the laboratory investigations for infectious, inflammatory and serological markers were negative. He underwent ultrasonography which revealed a vascular lesion anterolateral to aorta and on Doppler evaluation, the lesion showed arterial wave form in the anechoic component. With the provisional diagnosis of an aneurysm, CT angiography (CTA) was done to further characterise its exact origin and extent and to rule out any other aneurysm. Review of CTA images revealed anomalous origin of left testicular artery from hilar segment of left renal artery. (figure 1B,C) In addition, a peripherally thrombosed fusiform aneurysm measuring approximately 1.7×1.7 cm was noted in the proximal part of left testicular artery. (figure 1A–C) No calcification or mass effect on pelvicalyceal system was seen. Imaging did not reveal involvement of any other vascular territory. There was no family history of aneurysm or any other predisposing factor like intravenous drug abuse or immunocompromised state to raise suspicion for infected aneurysm. Considering the above, a diagnosis of exclusion of ‘idiopathic spontaneous aneurysm’ was made.

Figure 1

Axial image (A) shows a peripherally thrombosed aneurysm (dotted yellow circle). Volume rendered image (B, C) depicting anomalous origin of left testicular artery (white arrows in B,C) from hilar segment of left renal artery with presence of aneurysm in proximal part (yellow * in B). LRA,left renal artery; TA, testicular artery.

Aneurysms and pseudoaneurysms of testicular artery are rare and have been described in literature secondary to trauma, infection and inflammation.1 Almost all of these have been reported in intratesticular location with patients presenting with painless scrotal swelling or scrotal pain.1 To the best of our knowledge, spontaneous occurrence of aneurysm from anomalous testicular artery in such a high location has not been reported. In our case the anomalous origin of left testicular artery from left renal artery can be classified as Type II according to classification by Ciçekcibaşi et al.2 Due to rarity of this disease entity no standard treatment exists. Surgical excision is usually performed in cases of aneurysm growth or in symptomatic cases. Since the gonadal artery is arising from the hilar segment of the left renal artery, endovascular treatment would be technically challenging. In this case, since the aneurysm was small and the patient had mild non-specific pain, he was kept on follow-up. Patient was symptom-free at 6 months and follow-up Doppler at 6 months revealed no increase in the overall size of the aneurysm.

Learning points

  • Aneurysms and pseudoaneurysms of testicular artery are rare and are mostly seen after trauma or infection.

  • Spontaneous occurrence of aneurysm from anomalous testicular artery near its origin is rare.

  • CT angiography plays an important role in depicting such anomalies of origin or aneurysms of the vessels.



  • Contributors MV: wrote the manuscript. VO: prepared the images. SHC: proofread the manuscript. SK: edited the manuscript.

  • 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 for publication Obtained.

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