The objective of this study was to assess the frequency of micrometastatic disease (MID) in pelvic lymph nodes (PLNs) in carcinoma of the uterine cervix (CUC) and to determine the risk of recurrence. The PLNs from 289 patients with CUC (IB and IIA) were studied. Each PLN was assessed via immunohistochemistry using a single histologic section (AE1/AE3). Metastatic deposits were measured and the disease status was classified into three groups: 1) absence of metastatic disease (MOD); 2) MID, one or more metastatic PLN with only isolated tumor cells and/or micrometastases (up to 2 mm); and 3) macrometastatic disease (MAD), presence of one or more metastatic PLN with macrometastases (more than 2 mm). Eleven patients (3.8%) were classified as having MID and 37 (12.8%) as having MAD. The 5-year disease-free survival (DFS) rates for MOD, MAD, and MID were 88.7%, 80.4%, and 50.0%, respectively (P < 0.001). The Cox proportional hazards model showed that MID was an independent variable for recurrence when adjusted for MAD, depth of tumor invasion, severity of inflammatory reaction, and use of adjuvant radiotherapy. We conclude that the frequency of MID in PLN was low. However, patients with MID presented a high risk of recurrence and reduced DFS.
The objective of this study was to assess the frequency of micrometastatic disease (MID) in pelvic lymph nodes (PLNs) in carcinoma of the uterine cervix (CUC) and to determine the risk of recurrence. The PLNs from 289 patients with CUC (IB and IIA) were studied. Each PLN was assessed via immunohistochemistry using a single histologic section (AE1/AE3). Metastatic deposits were measured and the disease status was classified into three groups: 1) absence of metastatic disease (MOD); 2) MID, one or more metastatic PLN with only isolated tumor cells and/or micrometastases (up to 2 mm); and 3) macrometastatic disease (MAD), presence of one or more metastatic PLN with macrometastases (more than 2 mm). Eleven patients (3.8%) were classified as having MID and 37 (12.8%) as having MAD. The 5-year disease-free survival (DFS) rates for MOD, MAD, and MID were 88.7%, 80.4%, and 50.0%, respectively (P < 0.001). The Cox proportional hazards model showed that MID was an independent variable for recurrence when adjusted for MAD, depth of tumor invasion, severity of inflammatory reaction, and use of adjuvant radiotherapy. We conclude that the frequency of MID in PLN was low. However, patients with MID presented a high risk of recurrence and reduced DFS.
CONTEXT AND OBJECTIVE: Inflammatory reaction intensity has been indicated as a possible recurrence risk factor in carcinoma of the uterine cervix. Some authors observed greater risk with weak inflammatory reaction, while others described the opposite. This study aimed to evaluate risk factors for initial-stage uterine cervix carcinoma recurrence (IB and IIA), considering inflammatory reaction intensity. DESIGN AND SETTING: Retrospective cohort at Hospital do Câncer A. C. Camargo. METHODS: 289 patients with diagnosed uterine cervix carcinoma (stages IB and IIA) who underwent radical surgery between 1980 and 1999 were studied. Data were collected from medical records. Histological sections from tumors and lymph nodes could be reviewed in 247 cases. Five-year disease-free survival rates were calculated using the Kaplan-Meier method and curves were compared using the log-rank test. Cox's proportional-hazards model was used for multivariate analysis. Recurrence risk was estimated using hazard ratios (HR). RESULTS: Forty-three recurrences were found. Multivariate analysis identified the following independent recurrence risk factors: number of metastatic pelvic lymph nodes (one lymph node: HR = 3.3 [1.3-8.3]; two or three: HR = 5.3 [1.5-18.6]; four or more: HR = 7.6 [1.7-33.2]), tumor invasion depth (deepest third: HR = 2.1 [1.1-4.1]) and inflammatory reaction intensity in the uterine cervix (absent or slight: HR = 2.5 [1.1-5.7]). CONCLUSION: This study identified that absent or slight inflammatory reaction was an independent risk factor for recurrence. The other risk factors were the number of metastatic pelvic lymph nodes and invasion of the deepest third of the uterine cervix.
Deep invasion and non-comprehensive pelvic lymphadenectomy are possible risk factors for recurrence of SCC of the uterine cervix with metastases in PLN.
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