Head and Neck Imaging
Analysis of 21 Cases of Pituitary Tumor CT and MRI Imaging Features
Author：HE Hui
affiliation：Department of Radiology, Affiliated Hospital of Guilin Medical College
PDFAbstract
Objective Pathological basis of CT imaging study of pituitary tumor formation. Methods 21 cases of pituitary tumor CT and MRI imaging features were summarized and compared with pathological structure in operation. Results The preoperative diagnosis of pituitary adenoma is 18 cases; The detection rate of artery adhesion invasion and cavernous sinus invasion is 100%, false positive rate is 42.9% and 50%. The effects of CT and MRI can distinguish necrosis, hemorrhage, cystic change and deformation and other symptoms, but there are certain misdiagnosis rate. Skull base invasion detection rate is 100%, the false positive rate is 25%. Conclusion The CT and MRI imaging in diagnosis of pituitary adenomas can be more accurate especially for necrosis, hemorrhage, arterial adhesion invasion and cavernous sinus invasion detection is sensitive, but there are some false positive.
【Keyword】Pituitary Tumor; CT; MRI; Image
【Chart number】R736.4；R445.3
【Document Identification Number】A
【DOI】10.3969/j.issn.1672-5131.2015.07.006
Chinese journal of CT and MRI
th13Volume， th 7 Issue
2015Year07Month
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