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国外研究表明,青春期暂时的男性乳房发育相当常见,大约占到同期人数的一半。而发展成本组女性型乳房外观且持续不退的病例则在国内少有报道,国外学者建议将其作为临床重要病例区别看待。
Foreign studies show that the temporary development of male adolescent breasts is quite common, accounting for about half of the same period. The cost of development of female breast-type appearance and continuous non-refundable cases are rarely reported in China, foreign scholars recommend that they as a clinically important case of differentiation.