The Journal of foot surgery
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Review Case Reports
Malignant schwannoma of the medial plantar branch of the posterior tibial nerve.
Malignant schwannoma in the foot is extremely rare. The authors present a case involving the medial plantar branch of the posterior tibial nerve in a patient with neurofibromatosis, without previous history of malignant degeneration. Following full excisional biopsy, the diagnosis was made using immunohistochemical studies and electron microscopy. A review of the literature also is presented.
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The authors describe use of the nerve stimulator in conjunction with a percutaneous exploring needle to achieve peripheral blocks accurately and without injuring the nerve. The nerve stimulator allows accurate nerve blocks without causing paresthesiae and the need for additional anesthetic. This technique decreases the possibility of nerve injury.
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The authors present a review of bone healing. A literary search on the subject reveals a variety of experiments performed on healing bone using different techniques. ⋯ It also relates that bone healing without any fixation is not desired. Therefore, the goal of this paper is to enlighten the surgeon that controlled, semirigid, semicompressed fixation with active range of motion is the ideal criteria for bone healing, and decreases the chance of cast disease.
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The long-term consequences of epiphyseal plate injuries of the ankle certainly can be of high morbidity, and are well documented in the literature. This is especially true of the displaced Salter-Harris type IV fracture. The primary areas to be addressed in this injury are establishment of the proper diagnosis, open reduction with fixation not crossing the physis, and close long-term followup.
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The author presents a wide variety of uses of radiopaque contrast media in the foot and ankle. Dye studies can aid the physician in diagnosing pathology of the soft tissues and joints without surgical intervention. The results of these tests aid in determining the course of treatment.