含気腔学説よりみた前頭洞の組織学的研究

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Capacity of the frontal sinuses was measured by means of filling them with saline solution during the sinuses operation was doing and size was determined by measuring postero-frontal view of roentgenograms. From this data pneumatization of the frontal sinuses was estimated.On the other hand, the form of the frontal sinuses was classified into three groups, namely ethmoidal type in which the lumen is limited in the ethmoidal region, frontal type in which the lumen is localized in the vertical plate of the frontal bone, and ethmo-frontal type in which the lumen is extended from the frontal bone to the ethmoidal region.According to the studies of T. Goto and M. Yamauchi, the ethmo-frontal type was most frequently seen, though the frontal type is commonly considered the general type of the frontal sinus.In the relationship between the form of the frontal sinus and its pneumatszation, the frontal sinuses of the etnmo-frontal type are most remarkable, and those of the frontal type are secondary in development. The ethmoidal type has a very small lumen.The relationship between histological finding of the mucous membrane and pneumatizational findings of the frontal sinuse confirmed similar results in the other sinuses as follows; the well developed sinuses revealed mainly edematous changes in the mucous membrane anb the under-developed sinuses reveales fibrous thickening in the mucous membrane.Edematous changes were noted predominately in ethmo-frontal type, fibrous thickening change in ethmoidal type, and an intermingling changes of the two in frontal type.The authors noted frequent incidence of slight change of the frontal sinusitis and they concluded that thise slightly changed cases must be set aside from the generally original classification of the mucous membrane, bacause the developmental trend is slight cases for definite classification.
社団法人日本耳鼻咽喉科学会の論文

含気腔学説よりみた前頭洞の組織学的研究

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