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Between 1986–2004, 13 patients (11 males and 2 females; mean age, 63.9 years) underwent microsurgical reconstruction after total maxillectomy in our hospital. Reconstructions using a rectus abdominis musculocutaneous flap were primarily carried out in our hospital by emphasizing soft-tissue filling. No postoperative complication related to a vascular anastomosis (such as thrombosis) was noted (success rate, 100%). In 3 cases, fistula formation was observed postoperatively (23.0%). In one case reconstructed with a scapular flap with a vascularized scapula, atelectasis followed by serious pneumonia was observed, and the patient temporarily fell into a life-threatening condition. Five patients died after 1–2 years due to recurrence of maxillary sinus carcinoma, and 2 died after 3–4 years due to another tumor (lung and esophageal). The disease-specific 5-year survival rate of all 40 patients with maxillary sinus carcinoma treated in our hospital by the Kaplan-Meier method was 54.6%, and the overall survival rate was 45.8%. As the prognosis of maxillary sinus carcinoma is poor, we consider that priority should be given to filling of defects with soft tissues, and we also consider that this study is significant to reevaluate strategies for maxillary reconstruction. © 2006 Wiley-Liss, Inc. Microsurgery, 2006.