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图示：前列腺增生。正常的前列腺直径有3-4cm，前列腺细胞的数量和基质细胞一样都增加了。但由于这种增生是不均衡的，而呈现为小结节。这种改变虽然是受性激素调节的，但不是生理性增生。 |
This is an example of prostatic hyperplasia. The normal prostate is about 3 to 4 cm in diameter. The number of prostatic glands, as well as the stroma, has increased. The pattern of increase here is not uniform, but nodular. This increase is in response to hormonal manipulation, but in this case is not a normal physiologic process.