Background. The functional benefits of mandibular reconstruction following a composite resection remain unclear. Although microvascular surgical techniques have dramatically increased the predictability of bone and soft-tissue reconstruction towards presurgical anatomic norms, the specific factors responsible for improved function remain controversial. Objective measures of masticatory function need to be more clearly determined before the predictability and efficacy of reconstructive approaches is established.Methods. We evaluated objective measures of oral function and patient reports of function in 10 reconstructed mandibulectomy patients, 10 without reconstruction, and 10 controls. Measures of oral function included bite force assessed at the first molar and incisal edge, a measure of tongue and cheek function, and patient reports of food they could eat.Results. Both reconstructed and nonreconstructed patients presented decreased biting force, a more restricted diet, and compromised cheek and tongue function as compared with normals. However, reconstructed patients had significantly better measures of tongue function and ability to eat a varied diet than did nonreconstructed patients. Of the objective measures used to measure masticatory performance, bite force was poorly correlated, whereas measures of tongue function strongly correlated with successful mastication. Conclusion. Both reconstructed and nonreconstructed patients presented with a significant functional deficit when compared with normals, with reconstructed patients having better overall function than nonreconstructed patients.
Although the same 5-year BC rates were achieved with HDR (248 patients) and LDR (206 patients) monotherapy, HDR brachytherapy was associated with less acute and chronic genitourinary and gastrointestinal toxicities. As another accepted standard of care, accelerated hypofractionated HDR monotherapy is target specific and efficient radiobiologically than EBRT which has many smaller doses per fraction. It could be considered today as the best option in accelerated hypofractionated prostate cancer treatment.
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