Correlation Between Side of Palpable Tumor, Pathologic Distribution of Primary Tumor, and Side of Pelvic Lymph Node Metastasis in Prostate Cancer
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Purpose Although the role of pelvic lymphadenectomy in prostate cancer is mainly as a staging procedure, the relation between the status of the primary tumor and lymph node metastasis has not yet been fully investigated. We investigated this relationship. Methods From 1987 through 1994, we observed 30 patients with clinically localized cancer of the prostate who had undergone bilateral pelvic lymphadenectomy. Of the 30 patients treated, 13 had radical prostatectomy, 15 had cystoprostatectomy, 1 had modified exenteration, and 1 had total exenteration. Findings Of the 30 patients treated, 5 (16.7 %) were found to have lymph node metastasis. Observation of the frequency of nodal metastasis with clinical stage, degree of differentia-tion, and histopathologic stage revealed 2 patients (15.4 %) with stage B, 3 (20.0 %) with stage C, 3 (30.0 %) with moderate differentiation, 2 (18.2 % ) with poor differentiation, 3 (30.0 %) with pT3, and 2 (16.7 %) with pT4. In the 5 patients with positive nodes, the palpable tumor was confined to one lobe in 3 and was predominant in one lobe in 2. Of the 3 patients with unilobar involvement, 2 had metastases to only the ipsilateral node and 1 had metastases bilaterally. Both patients with palpable induration and distribution of tumor to predominantly one lobe had metastases to the ipsilateral nodes. Conclusion All patients with palpable tumor predominantly in one lobe had metastases to the ipsilateral nodes.
- 昭和大学・昭和医学会の論文
昭和大学・昭和医学会 | 論文
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