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Transarticular fracture of the calcaneus. A technical note.

A detailed description of an extensile posterolateral approach for open reduction, grafting, and internal fixation of articular calcaneal fractures is presented. The graft is obtained through the same incision from the distal tibia. Internal lag screw fixation is combined with percutaneous axial pinning. Guidelines for prophylaxis of iatrogenic soft tissue complications are briefly discussed.

Calcaneus↗

[Anterograde intramedullary tibio-talo calcaneus arthrodesis (aIMTCA) with spongiosaplasty in pseudarthrosis].

Pseudarthrosis occur in 65% of all ankle joint arthrodesis. From the therapeutical point of view we make a distinction between vital (hypertrophic) and avital (hypotrophic) respectively stable and instable pseudarthrosis. The hypotrophic forms demand an additional cancellous or bone grafting. Especially instable pseudarthrosis have to be treated with a biological osteosynthesis. In the hindfoot the so called compression arthrodesis made one's way. But there is still a discussion about the best method, intern or extern fixation. We report about a case of hypotrophic pseudarthrosis with a mal-position occurring after an ankle joint arthrodesis with a Charnley-Fixateur. A fusion of the ankle joint could be carried out with a proximal respectively anterograde intramedullary nail and allogene cancellous graft.

Ankle Joint↗

[Simple bone cysts of the calcaneus. Differential diagnosis and therapy].

Fifty-two calcaneal simple bone cysts from our clinic were evaluated. The lesions had a pathognomonic radiologic appearance and diagnosis was histologically confirmed in all operatively treated cases. Four cases presented with pathological fractures, three of which were treated by open reduction internal fixation and bone grafting, while one was treated nonoperatively. In addition, six patients with large cysts without apparent fracture but spontaneous pain were treated by curettage and subsequent autogenous bone grafting or calcium phosphate cement filling, and there were no recurrences. The majority of cysts (42 of 52) were however asymptomatic and thus followed up nonoperatively. This review reports on one of the largest series of cysts in this location. The results indicate that nonoperative management is justified in most asymptomatic cases. However, the potential risk of fracture as indicated by four fractured calcaneal cysts in this series suggests that large cysts should be clinically monitored and that operative intervention is useful in all symptomatic cases to prevent pathologic fractures. In the latter cases, curettage and bone grafting as well as the use of bone substitute material yielded uniformly good results.

Adolescent↗