Involvement of PIP jt, DIP jt and the carpo-mcp jt of base of thumb with sparing the wrist is seen in:
Sparing of wrist and metacarpophalangeal joints, with involvement of base of thumb is characteristic of osteoahritis. Ref: Osteoahritis: Diagnosis And Medical/Surgical Management By Roland W. Moskowitz, 2007 ; Harrison's Internal Medicine, 14th Edition, Pages 300, 1885, 1938 and 15th Edition, Page 1985
Rheumatoid ahritis
Osteoahritis
Psoriatic ahritis
Pseudogout