Proximal row carpectomy through dorsal approach. A and B, Exposure and morcellation of scaphoid and lunate between second and fourth dorsal compartments. C and D, Exposure of triquetrum between fourth and fifth extensor compartments for triquetrum excision. ECRB, Extensor carpi radialis brevis; ECRL, extensor carpi radialis longus; ECU, extensor carpi ulnaris; EDC, extensor digitorum communis; EPL, extensor pollicis longus; EDQP, extensor digiti quinti proprius; EIP, extensor indicis proprius. (From Calandruccio JH: Proximal row carpectomy, J Am Soc Surg Hand 1:112, 2001.) SEE TECHNIQUE 69.10.