1 The differential diagnosis for an acute monoarthritis of the first phalangeal joint includes gout, pseudogout, infection, osteomyelitis, cellulitis, trauma and fracture. Besides fracture, other ...

The metatarsal phalangeal joints are the joints between the metatarsals and the proximal phalanx of each toe. These joints form the ball of the foot. The first metatarsal phalangeal joint sits in ...