THE JOURNAL OF THE TOKYO DENTAL COLLEGE SOCIETY

Vol. 109 No. 3      June 2009

ISSN: 0037-3710      UBIC: 342-J

ABSTRACT

The purpose of this study was to analyze and describe the subepithelial capillary loop features of oral mucosa and early oral neoplastic lesions. Forty-four patients(27 men, l7 women mean age, 56.3 years range, 23 to 8l years)presenting with non-neoplastic (6cases) or neoplastic lesions (8cases) and 30 normal cases were examined by magnifying endoscopy with the CF-Q240ZL (Olympus Co). The form of the subepithelial capillary loops and distance between them were analyzed. All normal cases (n=30) presented capillary loops with the same shape (normal form) and regular distribution. Non-neoplastic lesions (n=6) showed mild changes (dilation form) whjle neoplastic lesions (n=8) showed irregular distribution and several loop shapes (wave form). The microvascular organization in non-neoplastic lesions was notably different from that in neoplastic lesions. Magnifying endoscopy offers potential in the clinical analysis of microvascular organization and subepithelial capillary loop morphology. In the future, this system offers a powerful tool for diagnosing oral squamous cell carcinoma at an earlier stage and determining the margin of resection. (The Shikwa Gakuho, 109; 293-300, 2009) Key words: oral mucosa, oral cancer magnifying endoscopy, capillary loops

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