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Snow is expected on Monday, Jan. 26. Boston Medical Center will remain open with normal hours. Please contact your clinic if you need to reschedule your appointment. Our phone lines will be open starting at 6:30 a.m. on Monday.

To diagnose De Quervain's tendinosis, a physician may ask the patient to place his or her thumb against their hand, making a fist with their fingers closed over the thumb, and then bending the wrist toward the little finger. If the patient has De Quervain's tendinosis, this test is quite painful, causing tendon pain on the thumb side of the wrist.