Stage D前立腺癌の臨床像

概要

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Sixty seven cases of stage D prostatic carcinoma were analyzed according to age, chief complaints, histopathological types, metastatic sites, and serum acid and alkaline phosphatase levels. In spite of metastasis, which were in 62 cases (92.5%) to bone, in 17 cases (25.4%) to lymph nodes, and in 3 cases (4.5%) to the lung, the most common chief complaints were symptoms related to the primary lesion, such as dysuria and urinary frequency. There was no significant correlation between the incidence of bone metastasis and histopathological type. However, higher incidence of lymph node metastasis was observed in the histological types of moderate and poorly differentiated adenocarcinoma than well differentiated type. When cases were divided into two groups by age, significant differences were observed between younger (64 less than or equal to years old) and older (greater than or equal to 65 years old) groups in the following points: 1) Histopathologically, well differentiated type was not recognized in the younger group, while three histological types of well, moderate and poorly differentiated adenocarcinoma, were equally distributed among the older one. 2) Although there was no significant difference in the incidence or the numbers of metastatic sites to bone between the two groups, the younger patients had less symptoms related to bone metastasis. The prominent symptoms in the younger group were complaints about voiding.