IN 6 CASES of sprained ankle my colleagues and I noted the association of recurrent protracted episodes of pain and swelling of the part with ossification of local para-articular tissue.1 In addition, there were 2 cases of sprain of the ankle with similar complications coexistent with fracture of the shaft of the ipsilateral fibula.
The clinical and roentgenographic findings in these 8 cases are presented to show the development of para-articular ossification about the region of the ankle and to stress its frequency.
HISTORY AND SYMPTOMSÌý
Three soldiers (group A), from 18 to 35 years of age, who came under our observation immediately after the advent of sprain of the ankle, experienced unusual prolonged convalescence. While a group of 42 other patients with sprain of the ankle made almost complete recoveries in from four to six weeks on routine treatment,2 these 3 patients complained of recurrent pain and