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Dentomaxillofacial Radiology (2003) 32, 291-294
© 2003 British Institute of Radiology
doi: 10.1259/dmfr/25125369

RESEARCH

Maxillary bone invasion by gingival carcinoma as an indicator of cervical metastasis

I Ogura*,1,4, T Kurabayashi1, T Sasaki1, T Amagasa2, N Okada3 and T Kaneda4

1 Oral and Maxillofacial Radiology, Graduate School, Tokyo Medical and Dental University, Japan; 2 Maxillofacial Surgery, Graduate School, Tokyo Medical and Dental University, Japan; 3 Diagnostic Oral Pathology, Graduate School, Tokyo Medical and Dental University, Japan; 4 Department of Radiology, Nihon University School of Dentistry at Matsudo, Japan

*Correspondence to: I Ogura, Department of Radiology, Nihon University School of Dentistry at Matsudo, 2-870-1, Sakaecho-Nishi, Matsudo, Chiba 271-8587, Japan; Email: iogura{at}mascat.nihon-u.ac.jp

Received 24 November 2002; revised 18 March 2003; accepted 26 August 2003

Objectives: To evaluate the significance of maxillary bone invasion by gingival carcinoma as an indicator of cervical metastasis.

Methods: Twenty-one patients with squamous cell carcinoma of the upper gingiva were included in the study. The extent of bone invasion was assessed by dental CT. Six patients had cervical metastases at the initial examination and eight more developed them during the 2-year follow-up period. The relationship of cervical metastases with age and gender of these patients, as well as with the size of the lesion and extent of bone invasion, was examined by logistic multivariate regression analysis.

Results: There was a significant relationship between the presence of bone invasion and the presence of cervical metastasis (P<0.05).

Conclusions: Maxillary bone invasion is an indicator of cervical metastasis in gingival carcinoma.

Keywords: maxilla; carcinoma, squamous cell; tomography, X-ray computed; prognosis






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