Ninety-five hands (86 patients) were treated by endoscopic carpal tunnel release using the technique of Agee. They were the first ones operated on by the senior author (GF) using this technique. The patients were interviewed at a mean follow-up of 4.5 years: 72% of hands were free of symptoms and 94% were described by the patients as functionally normal. Seventeen hands (out of 27) with residual or recurrent symptoms were examined. Nine hands (nine patients) were only partially improved (mean 6.7 on a 10 point scale) and in eight hands (seven patients), some symptoms had recurred after a mean delay of 3.8 years. It was possible to find a second pathology in most of these cases. It is necessary to inform the patient before operation that incomplete relief or recurrence of symptoms can occur after endoscopic carpal tunnel release, as with conventional release.

Juxta-articular osteoid osteomas arising around the ankle are unusual. Tumors arising on the neck of the talus will commonly produce symptoms mimicking monoarticular arthritis or trauma. Patients are usually treated for arthritis or ankle sprain, which often leads to a delay in definitive diagnosis. We present an arthroscopic removal of an osteoid osteoma on the neck of talus, and review the literature.

There are many studies describing the perforating branches of the peroneal artery but none of them identifies their locations relative to fibula. The aim of this study was to demonstrate the locations of the perforators relative to the fibula and to present a case, treated with an adipofascial flap, based on one of these small arteries. In this study, nine fresh male cadavers' legs injected with colored latex were dissected for demonstration of the longitudinal axis of these perforators. A large incision was made on the lateral part of the leg from the head of the fibula to the ankle. The peroneal perforating vessels were displayed. The posterior margin of the fibula was marked with needles from proximal to distal just above every perforator. The distance between the needle and the perforator was recorded. Their diameters were measured at the level of fascial emergence. There were four to seven perforating vessels; the larger vessels were near the proximal end of the fibula with an average of 1.1 mm and a minimum of 0.8 mm. We found that these branches were not parallel to fibula, but aligned in an oblique projection from posterior to anterior and from distal to proximal because of the course of the intermuscular septum between the soleus and peroneus longus muscles. The lowermost vessel was 1.7 cm away from the posterior margin of the fibula while the uppermost vessel was 0.25 cm away from the posterior ridge of the fibula. Adipofascial or fasciocutaneous flaps, which have important advantages in covering small to medium sized defects, can be based on the perforators of the peroneal artery. But for the centralization of the flap pedicle, the locations of the perforators, which are aligned from the lateral malleolus to the fibular head in oblique direction and from the posterior to the anterior must be taken into consideration. This knowledge is crucial for the flap design and the centralization of the vessels.

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