This video explains De Quervain Tenosynovitis, a painful condition caused by tendon inflammation at the thumb side of the wrist. Dr. Colin Hong discusses symptoms, causes, diagnostic testing, and treatment options such as splinting, activity modification, injections, and surgical release for chronic cases. This video aids patient understanding but does not replace a consultation. For appointments: www.drcolinhong.com • (416) 222-6986 #DeQuervain #WristPain #DrColinHong #PatientEducation #ThumbPain #Tendonitis