Diagnosis and differential diagnostic value of color doppler ultrasound for benign and malignant thyroid nodules / 中国现代医生

Objective To investigate the diagnosis and differential diagnosis value of benign and malignant thyroid ul-trasound nodules. Methods A retrospective analysis of the sonographic manifestations and CDFI showed changes of hemodynamic parameters of 60 patients with benign and malignant thyroid nodules confirmed by pathology from Jan-uary 2009 to January 2014 in our hospital. Results Sixty patients included benign lesions 48 cases (50 nodules),26 cases nodular goiter, 22 cases thyroid adenoma; malignant lesions in 12 cases (14 nodules), included papillary thyroid carcinoma 10 patients, follicular carcinoma 1 case, metastatic carcinoma 1 case. 48 cases of benign nodules blood dy-namics grade 0 10 cases, grade Ⅰ 30 cases, grade Ⅱ 7 cases, grade Ⅲ 1 case, in which the following grade Ⅱ(83.3%);12 cases of malignant nodules hemodynamic classification grade 0 0 cases, grade Ⅰ1 case, gradeⅡ3 cas-es, grade Ⅲ 8 cases, grade Ⅲ accounted for 75%. PSV, RI of malignant nodules group was significantly higher than benign nodules, EDV of malignant nodules group was significantly lower than benign nodules group, the difference was significant (P<0.05). Conclusion Benign and malignant thyroid nodules ultrasound diagnosis is based on two-dimen-sional ultrasound should be performance-based, combined with color doppler flow imaging and pathology can improve the accuracy of diagnosis. Therefore, familiar with the sonographic appearance of thyroid nodules and differential points, and closely linked to a comprehensive analysis of the clinical data , in order to reduce the incidence of misdiag-nosis.

The Value of CT Diagnosis of Benign or Malignant Mass in Nasal Cavity and Sinus / 实用放射学杂志

Objective To evaluate the role of CT diagnosis of the benign or malignant mass in nasal cavity and sinus.Methods 100 cases of benign or malignant masses in nasal cavity and sinus were reviewed retrospectively,and their CT findings were analyzed in details.According to what the lesion involved,the masses were defined into three states : A、The mass only localized in nasal cavity;B、 The massinvolves nasal cavity and(or) nasal sinus;C、The mass involved the adjacent structure beyond the nasal cavity and(or) nasal sinus.Results In what the lesion involved,benign mass group: A,53 cases;B,1 case;C,6 cases;malignant mass group: A,3 cases;B,9cases;C,28 cases,the difference between the two groups had statistical significance(P