You are here

Thumb Basilar Joint Arthritis Classification

 Eaton Littler Stage I thumb arthritis Eaton Littler Stage I
  • Normal joint with the exception of possible widening from synovitis
  • Treatment = Ligament reconstruction or metacarpal extension osteotomy
  1. Normal articular countours, slight joint space widening caused by effusion/synovitis/ligamentous laxity.

 

Eaton Littler Stage II thumb arthritis Eaton Littler Stage II
  • Joint space narrowing with debris and osteophytes less than 2 mm in size.
  • Treatment = LRTI, or trapeziometacarpal fusion or implant arthroplasty.
  1. Mild joint narrowing, osteophytes less than 2mm in size, minimal sclerosis/cystic changes.
Eaton Littler Stage III thumb arthritis Eaton Littler Stage III
  • Joint space narrowing with debris and osteophytes greater than 2 mm in size
  • Treatment = LRTI, or trapeziometacarpal fusion or implant arthroplasty.
  1. Marked joint space narrowing, sclerosis and cystic changes in the trapeziometacarpal joint.
  2. Osteophytes >2mm
Eaton Littler Stage IV thumb arthritis Eaton Littler Stage IV
  • Scaphotrapezoidal joint space involvement in addition to narrowing of the trapeziometacarpal joint.
  • Treatment = LRTIwith complete trapezium excision.
  1. Marked joint space narrowing, sclerosis and cystic changes in the trapeziometacarpal joint.
  2. Osteophytes >2mm
  3. Joint space narrowing, sclerosis and cystic changes in the scaphotrapezoidal joint.
  Eaton Littler Staging (Eaton RG, J Hand Surg 1984;9A:692), (Eaton RG, Hand Cin 1987;3:455)

Disclaimer

The information on this website is intended for orthopaedic surgeons.  It is not intended for the general public. The information on this website may not be complete or accurate.  The eORIF website is not an authoritative reference for orthopaedic surgery or medicine and does not represent the "standard of care".  While the information on this site is about health care issues and sports medicine, it is not medical advice. People seeking specific medical advice or assistance should contact a board certified physician.  See Site Terms / Full Disclaimer