rhizarthrosis.com

Diagnosis & Imaging

How doctors diagnose rhizarthrosis — from clinical tests (Grind Test, Shear Test) to X-ray imaging and the Eaton-Littler classification system for staging thumb arthritis severity.

Diagnosis & Imaging · March 12, 2026

Why Is It So Hard to Measure If Thumb Arthritis Treatment Is Working?

The short answer: The TASD is now translated into Brazilian Portuguese and shown to be reliable and ready to use. It has…

Diagnosis & Imaging · February 20, 2026

Rhizarthrosis vs De Quervain’s: How to Tell the Difference

The short answer: Rhizarthrosis and De Quervain’s are different conditions. A doctor uses the Grind Test for arthritis and the Finkelstein Test…

Diagnosis & Imaging · February 20, 2026

Thumb Pain at the Base: What It Means and When to See a Doctor

The short answer: Thumb base pain is common, affecting up to 33% of women and 11% of men over age 50. If…

Diagnosis & Imaging · January 17, 2026

Is My Finger Injury Being Diagnosed Correctly?

The short answer: Simple tendon tears are usually spotted correctly by doctors about 95% of the time, but many finger injuries need…

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