Search Results
You are looking at 1 - 3 of 3 items for :
- Author or Editor: Nobuaki Chinzei x
- Clinically Speaking x
- Refine by access: All Content x
Peroneal tendon dislocation is often overlooked because the mechanism of injury is similar to that of lateral ligament sprains and the frequency of the disease is low. Therefore, it is difficult to treat peroneal tendon dislocation when diagnosed in the chronic state. Furthermore, because irreducible peroneal tendon dislocation has multiple causes, treatment is much harder. Herein, we present a rare case of irreducible dislocation caused by a complex pathogenesis. Surgical treatment yielded good results. Orthopedic surgeons should be aware of this issue and consider it in the preoperative simulation.
Simple bone cysts compose approximately 3% of all primary bone tumors and most commonly occur in the metaphyseal regions of the proximal humerus and femur. The percentage of the talus with suspected bone tumors is reported to be 0.003%. Therefore, talar cysts are rare but sometimes present as aggressive lesions, and they can affect any of the tarsal bones. Recently, an arthroscopic approach to these lesions has been developed that is less invasive than conventional open surgery. In the present case study, we profile a 65-year-old female patient who received arthroscopic debridement of a bone cyst from the medial aspect of the talus with the osteochondral autograft transfer system (OATS). By using the OATS core harvester, we penetrated into the tumor. After the cylindrical bone plug was pulled out, the tumor was removed and artificial bone granules were firmly packed into the cavity with intralesional arthroscopy. Then, the cylindrical bone plug previously harvested by OATS was implanted at the site with careful precision. This intervention resulted in a relative restoration of talar dome anatomy and ultimately restored the patient to activity with minimal discomfort. Therefore, arthroscopic debridement with OATS has the potential to be a useful option in dealing with debilitating osteochondral cystic lesions.
The peroneus quartus muscle is an accessory muscle seen in the lateral compartment of the lower leg. Although the peroneus quartus muscle is asymptomatic in general, it sometimes becomes pathologic. We present the rare case of bilateral ankle pain with crepitation caused by the peroneus quartus muscle. Magnetic resonance imaging should be considered to assist with diagnosing this condition. Foot and ankle surgeons should consider it in the preoperative differential diagnosis when patients present with posterior ankle pain.
