“…With exclusion of hypothenar hammer syndrome cases from our search, 193 reported cases of hand arterial aneurysms were found in the literature, and only 13 such cases in the pediatric population ( Table 1 ) [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] . Average patient age at presentation ranged from 5 months to 18 years (median = 4 years), and none had a prior history of trauma.…”