Objective: To determine the utility of performing three-dimensional (3D) computed tomography (CT) of congenital naso-frontal anomalies for preoperative planning and counseling and compare it with standard two-dimensional (2D) imaging and intraoperative findings. Study Design: Prospective case evaluation of imaging studies and medical records in cohort of patients with congenital nasal anomalies. Methods: We performed 3D CT imaging of three different types of congenital nasal lesions. Additional preoperative imaging consisted of standard 2D CT scans and/or magnetic resonance imaging (MRI). Information obtained from the 3D CTs was compared with other standard imaging and intraoperative findings. Results: 3D CT was most useful in the case of a large encephalocele with a significant bony defect of the anterior cranial fossa. It provided moderate utility when used to evaluate a nasal dermoid with nasal bone and septal abnormalities and was of limited benefit in the case of a bifid nose with significant external soft tissue deformity and relatively normal bony anatomy. Conclusion: Congenital midline nasal anomalies are rare lesions with the potential for intracranial extension and anterior skull base abnormalities. The safe surgical treatment of these lesions depends upon accurate preoperative imaging to assist in establishing the diagnosis, to help guide surgical planning, and to assist in communicating the diagnosis and surgical approach for optimal counseling of families. 3D CT was instrumental in providing additional useful information in cases with significant bony abnormalities at little additional cost or time. It is also beneficial for preoperative counseling of patients and families with limited medical knowledge.
International Journal of Pediatric Otorhinolaryngology – Elsevier
Published: Sep 2, 2002
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