mannefelt syndrome causes

Mannerfelt’s Syndrome, also known as Mannerfelt lesion, is a rare but significant condition associated with chronic rheumatoid arthritis (RA). It specifically involves a rupture or attrition of the flexor pollicis longus (FPL) tendon, which is the tendon responsible for the flexion of the thumb. Rheumatoid arthritis (RA), which results in joint deformity and persistent inflammation,…