# Giant True Brachial Artery Aneurysm: A Case Report and Comprehensive Literature Review

## TL;DR

A rare case of a large brachial artery aneurysm in an elderly man is reported, with successful surgical treatment and a review of existing literature.

## Contribution

A detailed case report and literature review of a rare giant true brachial artery aneurysm with surgical management and histological confirmation.

## Key findings

- A 68-year-old man had a 58×55mm true brachial artery aneurysm successfully treated with open surgery and vein graft interposition.
- The histological analysis confirmed a true degenerative aneurysm with no postoperative complications.
- The literature review highlights current understanding of true BAA pathogenesis, diagnosis, imaging, and treatment.

## Abstract

True brachial artery aneurysms (BAAs) constitute an extremely rare vascular entity. We present the case of a 68-year-old man with a giant, secondary, symptomatic, saccular, true BAA of the right, dominant arm, measuring 58×55mm. Open surgery was performed under general anesthesia, with aneurysm sac resection and arterial reconstruction with interposition of a reversed great saphenous vein graft. There were no postoperative complications. The patient remains up to date under regular follow-up. The histological analysis was consistent with a true degenerative aneurysm. A comprehensive review of the literature was conducted, highlighting current knowledge on true BAA pathogenesis, clinical features, differential diagnosis, imaging modalities, and treatment strategies.