Computed tomography of carcinoma of the upper gingiva and hard palate: correlation with the surgical and histopathological findings

Dento Maxillo Facial Radiology
K ArakiY Ariji

Abstract

To clarify the diagnostic utility of CT in the evaluation of carcinoma of the maxillary gingiva and hard palate. The CT scans of 27 patients with squamous cell carcinoma of the upper gingiva and hard palate were reviewed. Tumor extent and bone destruction were compared with the surgical and histopathological findings to estimate the sensitivity, specificity and accuracy of CT. The primary tumor was detected by CT in 89% of patients. The grade of bone destruction determined by CT correlated well with that verified at surgery or by histopathological examination. The sensitivity, specificity, and accuracy of CT for invasion to the buccal mucosa were 64%, 89% and 75% respectively. For maxillary sinus invasion, CT showed low specificity but high sensitivity. The accuracy was 86% when the criterion for sinus invasion was the presence of an enhanced mass continuous with the primary tumor. CT is helpful for the evaluation of tumor extent in the upper gingiva and hard palate carcinoma. However, invasion of the maxillary sinus should be considered carefully, because CT findings suggestive of destruction of the floor of the maxillary sinus are not always consistent with sinus invasion.

References

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Citations

Jan 8, 2004·Dento Maxillo Facial Radiology·I OguraT Kaneda
Aug 22, 2008·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·S PirnerKlaus W G Eichhorn
Mar 20, 2010·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Tang Chuan WangMing Hsui Tsai
Feb 20, 2007·Oral Oncology·Kumar A PathakAnil K D'Cruz
Dec 20, 2007·Oral and Maxillofacial Surgery Clinics of North America·Joseph M AulinoJason L Shipman
May 18, 2017·Dento Maxillo Facial Radiology·Kazuhito YoshidaEiichiro Ariji

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