Treatment and Prognosis of Ameloblastoma. IV. Histopathological Study of Resected Jaw Bone.:IV: Histopathological Study of Resected Jaw Bone

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5 cases of tumors diagnosed as Ameloblastoma, which had been preserved in good condition after resection, were examined histopathologically and radiologically. The results were as follows. 1) The growth characteristics of these tumors were pathologically classified into two patterns, that is, expansive and invasive. 2) Some of these tumors have a fibrous connective tissue capsule while the others do not. 3) The growth characteristics of invasive type lack more of the fibrous capsule than those of the expansive type. 4) The fibrous capsule thickness was about 1-20 μm. 5) Radiologically, bone destruction adjacent to this tumor parenchyma was observed in less than 2.5 mm and extended near to the compact bone through cancellous bone.
特定非営利活動法人日本口腔科学会の論文