ObjectiveTo summary the diagnosis and surgical treatment experiences of posterior collicular fracture of medial malleolus. MethodsBetween March 2008 and November 2010, 14 patients having lateral and (or) posterior malleolus fractures with posterior collicular fracture of medial malleolus were treated with open reduction and internal fixation, including 5 males and 9 females with an average age of 44.5 years (range, 27-60 years). The causes of injuries were strain in 9 cases, traffic accident in 3 cases, and falling from height in 2 cases. The course of fracture ranged from 3 to 9 days (mean, 6.5 days). Fourteen cases were lateral malleolus fractures, 10 cases were posterior malleolus fractures. According to Lauge-Hansen classification, there were 8 cases of pronation-external rotation type, 3 cases of pronation-abduction type, and 3 cases of supination-external rotation type. ResultsAll incisions healed by first intention with no complication. The patients were followed up 12-24 months (mean, 16.8 months). The X-ray films showed that all fractures healed from 2 to 4 months after operation (mean, 2.9 months). The range of motion (ROM) of affected ankles was (38.40 ± 3.50)° of flexion and was (16.30 ± 2.41)° of extension, showing no significant difference when compared with ROM of normal side [(40.50 ± 3.48)° and (17.90 ± 2.28)°, P  gt; 0.05]. All patients’ ankle function was evaluated by Olerud-Molander’s score criteria for ankle function evaluation, the results were excellent in 7 cases, good in 6 cases, and fair in 1 case. ConclusionSpiral CT plays an indispensable role in diagnosis of posterior collicular fracture of medial malleolus. Surgical reduction and rigid fixation should be performed.

Citation： WANG Lei,WU Zhixin,LIU Xin. DIAGNOSIS AND SURGICAL TREATMENT OF POSTERIOR COLLICULAR FRACTURE OF MEDIAL MALLEOLUS. Chinese Journal of Reparative and Reconstructive Surgery, 2012, 26(9): 1051-1053. doi: Copy