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In order to analyse the remained impairments of perfusion (Q) and ventilation (V) of pulmonary tuberculosis (TBC), 50 patients (40 cases without operation and 10 cases with thoracoplasty) were studied using the Tc-perfusion and Kr-ventilation scans.The lung field was divided into six zones and an attempt was made to quantitatively relate the roentogenographic lesions with scintigraphic findings in each zone.The following results were obtained;1) The Q scans preferentially demonstrated the remained functional impairments of TBC, whether or not the patients had undergone tho-racoplasty. 2) The degree of impaired Q scans were clearly influenced by initially affected severity, but a few of the fresh, mild cases seemed to improve to some extent following the healing processes. 3) The functional decrease in the Q and V scans accounted for the reasons why the patients often developed respiratory insufficiency or its preliminary states and why they had been repeatedly infected. 4) In most of far-advanced cases, both Q and V scans were concomitantly defected, but in mild or moderate cases Q scans were predo-minantly disturbed.From these results, we considered that both scans, particularly Q scans, offered many informations about the regional functional impairments which could not be detected by the usual roentogenogram.
一般社団法人国立医療学会の論文