[A comparison between CT and SPECT in detecting mandibular invasion by lower gingival squamous cell carcinoma].

Autor:	Duan QY; Department of Oral and Maxillofacial Surgery, Hangzhou First People's Hospital, Hangzhou 310006, Zhejiang Province, China. dqybd@163.com, Jia MY, Zhang X, Yuan RT, Bu LX, Shang W, Zhao J, Zuo SY, Jin XM, Li NY
Jazyk:	čínština
Zdroj:	Shanghai kou qiang yi xue = Shanghai journal of stomatology [Shanghai Kou Qiang Yi Xue] 2008 Oct; Vol. 17 (5), pp. 471-4.
Abstrakt:	Purpose: The purpose of this study is to compare the value of CT and SPECT in diagnosis of lower gingival carcinoma invading the mandible. Methods: From February 2002 to October 2006, twenty-one patients with lower gingival squamous cell carcinoma were enrolled.The data of CT and SPECT were studied,and compared with histopathological findings. Results: Among the 21 patients,the sensitivity, accuracy, negative predictive value and Youden's index of SPECT were 100.00%, 95.24%, 100.00% and 1.00,respectively. While the sensitivity, accuracy, negative predictive value and Youden's index of CT were 80.00%, 80.95%, 20.00% and 0.80, respectively. There were four false negatives assessments of bone invasion(80.00%) by CT scan, while no false negatives by SPECT. Conclusions: SPECT is superior to CT, and can be used as a routine screening method to assess lower gingival carcinoma invading the mandible.
Databáze:	MEDLINE
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