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Dentomaxillofacial Radiology (2009) 38, 17-22
© 2009 British Institute of Radiology
doi: 10.1259/dmfr/99191766

RESEARCH

Correlation between histopathological image and radiographic image pattern in fibro-osseous lesions in relation to bone complexity and distribution

M Araki*,1,4, S Kawashima1,4, N Matsumoto2,5, S Nishimura3,5 and K Komiyama2,5

1Department of Oral and Maxillofacial Radiology, Nihon University School of Dentistry, Tokyo, Japan; 2Department of Pathology, Nihon University School of Dentistry, Tokyo, Japan; 3Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, Tokyo, Japan; 4Division of Advanced Dental Treatment, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan; 5Division of Immunology and Pathobiology, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan

*Correspondence to: M Araki, Department of Oral and Maxillofacial Radiology, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan. E-mail: araki-m{at}dent.nihon-u.ac.jp

Received 4 October 2007; revised 5 January 2008; accepted 7 January 2008

Objectives: This study examined correlations between radiographic patterns and the shape of osteoid tissue formations, as determined histopathologically.

Methods: 20 cases of fibro-osseous lesions were investigated, comprising 5 radiographic patterns: focal (n = 3), target (n = 6), lucent (n = 4), calcification (n = 3) and multiconfluent (n = 4). Histopathological images in the central area of a full-section specimen were transformed into binary images and then into 8-bit scale images. Bone complexity and density of bone distribution were calculated and compared between patterns.

Results: Bone complexity score was 7384.64 for lucent, 2029.85 for focal, 2713.40 for multiconfluent, 8388.63 for calcification and 1364.27 for target pattern. The results could be broadly separated into two types: small (target, focal and multiconfluent patterns), and large (lucent and calcification patterns). Density of bone distribution was relatively low in all areas for lucent and calcification patterns, and high for focal, multiconfluent and target patterns. No significant differences in bone complexity or density of bone distribution were seen between individual patterns.

Conclusions: Correlations appear to exist between image patterns from radiography and the shape of osteoid tissue on histopathology, but reorganization of the five patterns may be warranted.

Keywords: fibro-osseous lesion; histopathology; binary image; bone complexity






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