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  • Title: Clear cell carcinoma of the uterine cervix: pathology and prognosis in surgically treated stage IB-IIB disease in women not exposed in utero to diethylstilbestrol.
    Author: Reich O, Tamussino K, Lahousen M, Pickel H, Haas J, Winter R.
    Journal: Gynecol Oncol; 2000 Mar; 76(3):331-5. PubMed ID: 10684706.
    Abstract:
    OBJECTIVE: The purpose of this research was to compare the clinical behavior, pathology findings, and prognosis of surgically treated FIGO stage IB-IIB clear cell carcinomas of the cervix with those of squamous cell carcinomas and non-clear cell adenocarcinomas. METHODS: Fifteen patients with clear cell adenocarcinomas of the cervix (8 FIGO stage IB, 7 FIGO stage IIB) were reviewed. The control group consisted of 444 squamous cell carcinomas and 59 non-clear cell adenocarcinomas. None of the patients had a history of in utero exposure to diethylstilbestrol. All patients underwent radical abdominal hysterectomy with systematic pelvic lymphadenectomy. All specimens were processed as serial giant frontal sections. The mean follow-up in the clear cell group was 83 (13-182) months. Statistical analysis was done with contingency tables, chi(2) tests, and Fisher's exact test. RESULTS: Twelve of the fifteen clear cell carcinomas (80%) were endophytic and tended toward deep cervical infiltration. Clear cell carcinomas extended to the uterine corpus significantly more often than squamous cell and non-clear cell adenocarcarcinomas (P < 0.001). The rates of parametrial involvement and pelvic lymph node involvement were 40 and 47%, respectively. Four patients (27%), all with positive pelvic nodes, developed recurrences an average of 14 (4-48) months after initial therapy. The extrapelvic sites of relapse were the lung, liver, and bone. Clear cell carcinomas had a worse 5-year survival rate (67%) than squamous cell carcinomas (80%) and non-clear cell adenocarcinomas (77%) but this was not statistically significant (P = 0.6). No significant differences were seen for age, growth pattern, parametrial and vaginal involvement, parametrial and pelvic lymph node metastases, frequency of recurrent disease, and time to first recurrence. CONCLUSION: The clinicopathologic findings and prognosis of surgically treated patients with stage IB-IIB clear cell carcinomas without exposure to diethylstilbestrol in utero are similar to those of patients with squamous cell carcinomas and non-clear cell adenocarcinomas.
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