Kumar A, Tomar V, Mehta V, Arora J, Suri R K, Rath G
Department of Anatomy, Vardhman Mahavir Medical College and Safdarjang hospital, New Delhi, India.
Clin Ter. 2012;163(3):227-9.
An important and frequently reported arterial variant of the upper extremity is the superficial ulnar artery (SUA). Although SUA is not an uncommon variation, its presence should be detected timely as any surgical procedure in this region could put this unnaturally present superficial vessel to risk. Therefore, we sought to report this anomaly relating to the brachial arterial branching pattern.
Through the course of a usual instructive gross anatomy class an arterial variant of the brachial artery was noted. A scrupulous dissection was carried out and the specimen photographed.
The present study reports the unilateral presence of abnormal branching pattern and disposition of antebrachial blood vessels. The brachial artery is seen to branch off into superficial ulnar artery (SUA) and usual radial artery. Interestingly, common interosseous artery (CIA) springs from the radial artery instead of the ulnar artery which is the usual case.
Simple procedures such as venepuncture and intra arterial injections may become cumbersome and complication prone. The study is a humble attempt to caution the radiologists before interpreting angiographic films and the surgeons before performing reconstructions in this region.
上肢一种重要且经常被报道的动脉变异是尺侧浅动脉（SUA）。虽然SUA并非罕见变异，但因其存在于该区域的任何外科手术中都可能使这条非自然存在的浅表血管面临风险，所以应及时检测到。因此，我们试图报告这种与肱动脉分支模式相关的异常情况。
在一次常规的解剖学教学课过程中，发现了肱动脉的一种变异。进行了细致的解剖并对标本进行了拍照。
本研究报告了前臂血管分支模式和分布的单侧异常情况。可见肱动脉分支为尺侧浅动脉（SUA）和正常的桡动脉。有趣的是，常见的骨间总动脉（CIA）起源于桡动脉而非通常的尺动脉。
诸如静脉穿刺和动脉内注射等简单操作可能会变得繁琐且容易引发并发症。本研究旨在提醒放射科医生在解读血管造影胶片之前以及外科医生在该区域进行重建手术之前要谨慎。
