Analysis of Imaging Signs and Scanning Methods Of Pituitary Microadenomas
Objective To study the value of different scanning methods of CT and MRI for pituitary microadenomas.Methods A retrospective collection of 61 patients with clinically diagnosed pituitary microadenomas,57 females and 3 males,with a mean age of(32.66±7.88)years were collected from our hospital.All 61 cases underwent MR plain and enhanced scans(15 conventional enhancement,46 dynamic enhancement),of which 35 cases underwent CT scans(26 plain,15 enhanced).Direct and indirect signs of pituitary microadenomas were analysed and a comparative analysis of the value of different scanning methods using the McNemar test was performed.Results The display rate of pituitary microadenoma was 62.30％(38/61)for MRI plain scan,40.00％(6/15)for conventional enhancement and 93.48％(43/46)for dynamic enhancement;the display rate of pituitary microadenoma was 15.38％(4/26)for CT plain scan and 33.33％(5/15)for CT enhancement.CT plain scan,MRI plain scan,and MRI dynamic enhancement were performed in 26 cases,and the differences in diagnostic results between CT plain scan and MRI plain scan,and between CT plain scan and MRI dynamic enhancement were statistically significant(P=0.016,P=0.000).CT enhancement and MRI dynamic enhancement were performed in all 15 cases,and the difference between the two diagnostic results was statistically significant(P=0.004).MRI plain and MRI conventional enhancement were performed in 15 cases,and the difference between the two diagnostic results was not statistically significant(P=0.5).MRI plain and MRI dynamic enhancement were performed in all 46 cases,and the difference between the two diagnoses was statistically significant(P=0.000).Conclusion Magnetic resonance plain scanning combined with dynamic enhancement helps to show pituitary microadenomas,and this method can be used as a routine clinical screening technique.
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