In the four patients with an ulnar artery aneurysm, the presenting symptom was a growing pulsatile mass of 1 to 3 cm at the hypothenar area. Only one patient had moderate to severe local pain.

Background Hypothenar hammer syndrome (HHS) is an uncommon vascular overuse syndrome caused by trauma to the palmar portion of the ulnar artery. Objective In this report, we describe a representative ...

A 31-year-old television producer was referred to our clinic with a tender mass at the hypothenar area of his left hand. The patient reported acute trauma to his hand during fast boat sailing in a ...