Orbital reconstruction after total maxillectomy is essential to maintain ocular function and facial contour. Free flap transfer with simultaneous orbital bone reconstruction is a straightforward approach; however, it is challenging in medically unstable patients with multimorbidity. The authors developed an easily harvested temporoparietal fascial flap combined with vascularized outer table calvarial bone and entire temporalis muscle. The authors applied this technique in an 81-year-old patient with multiple comorbidities who required orbital floor reconstruction following total maxillectomy. Intraoperative indocyanine green fluorescence imaging confirmed excellent perfusion of the temporoparietal fascia, entire temporalis muscle, and calvarial bone. Although the patient developed postoperative local wound infection, the vascularized bone graft resisted infection and preserved the orbital structure without bone exposure. Our technique is minimally invasive and results in a well-vascularized flap for orbital reconstruction after total maxillectomy involving the orbital bone, and particularly beneficial in patients with multimorbidity or at high risk of local infection.
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