前列腺结石的主要成分与尿液成分相同。前列腺结石常与慢性非细菌性前列腺炎(化学性前列腺炎)伴随发生。经X光摄片或B型超声检查,前列腺结石显示在前列腺周围区。一旦出现前列腺结石,一般不会排出体外,也没有明确的自我感觉。前列腺结石产生机理是前列腺内尿液逆流,尿液滞留前列腺内,日久形成前列腺结石。
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