. The American journal of roentgenology, radium therapy and nuclear medicine . Gk(jl r Group 2 Group 2 Group 4 the direction of these processes are the onlvdefinite distinctions between this and GroupVII. There are no distinctive features re-garding the statistics. Group IV is characterized in general bya very heavy anterior clinoid process, pro-jecting directly backward and occupying asomewhat lower level than the tip of theposterior processes. The group might also is interesting to note that the measurementsof the sella turcica were the smallest in thisgrouj), and that as many as 10 per cent
. The American journal of roentgenology, radium therapy and nuclear medicine . Gk(jl r Group 2 Group 2 Group 4 the direction of these processes are the onlvdefinite distinctions between this and GroupVII. There are no distinctive features re-garding the statistics. Group IV is characterized in general bya very heavy anterior clinoid process, pro-jecting directly backward and occupying asomewhat lower level than the tip of theposterior processes. The group might also is interesting to note that the measurementsof the sella turcica were the smallest in thisgrouj), and that as many as 10 per cent ofthe 100 cases studied showed bridging group also shows the shortest longitud-inal and the longest vertical cranial diam-eters. Group VII, as previously mentioned,closely simulates Group III, but the most. Group 3 Group 3 Group Group 5 be considered similar to Group VII, exceptfor the difference in the construction of theprocesses. The average height in these casesis the greatest. Group V gives the appearance of a shal-low floor with very indistinct thick processesand wide infundibular spaces. The statisticsshow this group to be of the highest averageage. distinctive cases of this group show anteriorand posterior clinoid processes of aboutecjual length with small infundibular group is characterized by the greatestweight and the shortest height, with the ex-ception of Group IX, in which the height isthe same. Group VIII, as cited above is similar toGroup II, having thin, nearly perpendicular 354 Telero^ntgenography of the Sella Turcica posterior clinoid processes, with wide infun-dibular spaces; but this latter group, in addi-tion, has small but distinct anterior pro- processes. Three cases show double anteriorclinoid processes with considerable variationin the rest of the se
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