Age of Ossification of Carpal Bones

Capitate - 1 Month

Hamate - 2 Months

Triquetral - 3 Years

Lunate - 4 Years

Scaphoid - 5 Years

Trapezoid - 6 Years

Trapezium - 6 Years

Pisiform - 12 Years



Not the most accurate, but the 1-2-3-4-5-6-6-12 rule helps me remember the age of ossification of the carpal bones!

A memory aid for the sequence: Looking from the VOLAR ASPECT, for the LEFT hand it is clockwise and anti-clockwise for the RIGHT hand.



- Dr. Devpriyo Pal @drdevradiology



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