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KMID : 0358419930360050672
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Korean Journal of Obstetrics and Gynecology
1993 Volume.36 No. 5 p.672 ~ p.677
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The Significance of CT Scan in Staging of Cervical Carcinoma & Assessment of Lymph Node Metastasis
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Abstract
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Fifty-three consecutive patients with primary carcinoma of cervix were evaluated by computed tomography(CT)to assess CT's ability to screen patients prior to radical surgery.
CT staging results were compared with those of clinical staging and pathologic staging in 53 radical hysterectomy with paraortic and pelvic lymph nodes dissection under the impression of early carcinoma of the cervix.
The overall accuracy of parametrial invasion by CT scan is 71.2%, and by clinical staging is 88.7%. And CT sensitivity in diagnosis of lymph node metastasis is 14.3%, and CT specificity is 76.1%. In the analysis of false positive parametrial
invasion in
15 cases (over Stage IIb) by CT scan. Inflammatory reaction caused by conization of cervix and Cesarean section account for 66.7% in all false positive parametrial invasion cases. And the rate of false positive parametrial invasion by CT scan in
18
cases following cone biopsy or Cesarean section is 55.6%. Though there is some difficulty in assessing parametrial fibrosis and micronodal metastasis.
We concluded that CT scan can serve as a sensitive imaging modality to assess the surgical candidacy of patients with primary carcinoma of the cervix.
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