Jahss

JA HSS (Foot Ankle, 1:15, 1980)

Type l – dorsal dislocation of proximal phalanx & sesamoids with intact intersesamoid ligament (fig 1)
Type 2 – dorsal dislocation of proximal phalanx and sesamoids
2A – intact sesamoids with ruptured of intersesamoid ligament (fig 2)
2B – transverse fracture of sesamoid with intact intersesamoid ligament (fig 3)