Lehman H, Acho R, and Hans SS. Achenbach syndrome as a rare cause of painful, blue finger. J Vasc Surg Cases Innov Tech 2021; 7(3):589-592.
J Vasc Surg Cases Innov Tech
Paroxysmal finger hematoma, also known as Achenbach syndrome, is an underdiagnosed condition that causes apprehension in patients owing to the alarming appearance. It usually presents as a blue-purple discoloration of the volar aspect of one or more digits and can be associated with pain and paresthesia. This condition is benign and is usually self-limiting.