Traumatic pseudoaneurysm of internal mammary artery with fistula of internal mammary vein treated minimally invasive: A case report

Annals of vascular surgery. Brief reports and innovations Pub Date : 2025-06-10 DOI:10.1016/j.avsurg.2025.100391

Kasilingam Kiritharan, Srikumaran Sivamainthan, Vengadasalam Sutharshan, Murugavel Mayuran, Satchithanantham Vinojan

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Abstract

Background

Pseudoaneurysms involving the internal mammary artery/internal thoracic artery (IMA/ITA) are rare occurrences, and the presentation and treatment approaches for such cases can be variable. Due to the potentially life-threatening risk of rupture, leading to conditions like haemothorax, it is important to have a comprehensive understanding of safe and effective diagnostic and therapeutic techniques. We present a case of IMA/ITA artery pseudoaneurysm complicated with fistula formation with the vein.

Case presentation

A 36-year-old male presented to the surgical casualty after one week with bleeding from the laceration he had in left chest following a motor vehicle accident. CT angiogram of the chest revealed a pseudoaneurysm formation in the internal mammary artery and a fistula to the internal mammary vein.

Intervention and Outcome

He underwent coil embolization, and subsequent post-procedure angiograms confirmed the effective occlusion of the left IMA/ITA, with no further visualization of the pseudoaneurysm.

Conclusion

Targeted coil embolization is favoured over surgical repair due to its lower complication rates and favourable outcomes.

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微创治疗外伤性乳内动脉假性动脉瘤合并乳内静脉瘘1例

背景：假性动脉瘤累及乳腺内动脉/胸内动脉（IMA/ITA）是罕见的，这类病例的表现和治疗方法是多种多样的。由于破裂可能危及生命，导致血胸等疾病，因此全面了解安全有效的诊断和治疗技术非常重要。我们报告一例IMA/ITA动脉假性动脉瘤并发静脉瘘形成。病例介绍：一名36岁男性，因车祸后左胸撕裂伤出血，一周后就诊。胸部CT血管造影显示乳腺内动脉假性动脉瘤形成及乳腺内静脉瘘。干预和结果患者接受了线圈栓塞，随后的术后血管造影证实左IMA/ITA有效闭塞，假性动脉瘤未进一步可见。结论与外科修复术相比，靶向线圈栓塞术并发症发生率低，效果好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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