By Cara Murez HealthDay Reporter
MONDAY, Oct. 24, 2022 (HealthDay News) — A finger that “locks” can be a telltale sign of another condition: Diabetes.
Researchers suspected that this trigger finger, often in the ring finger or thumb, might indicate diabetes after frequently finding the condition in patients who had or developed diabetes. It’s characterized by thickening of tendons that are used to bend the finger and their connective tissue sheath.
“At the hand surgery clinic, we have noted for a long time that people with diabetes, both type 1 and type 2, are more often affected by trigger finger,” said researcher Mattias Rydberg, a doctoral student at Lund University and resident physician at Skåne University Hospital, both in Lund, Sweden. “Over 20% of those who require surgery for this condition are patients who have, or will develop, diabetes.”
A painful condition, this thickening causes the finger to become