{!-- PGC_VIDEO:{"thumb_height": 360, "file_sign": "625a21499aeea38cc37c83f792ee7ed5", "vname": "", "vid": "v02019ad0000bfi14iik781ngjv7m6g0", "thumb_width": 640, "vu": "v02019ad0000bfi14iik781ngjv7m6g0", "src_thumb_uri": "11001000374af81e737b2", "sp": "toutiao", "update_thumb_type": 1, "vposter": "http://p0.pstatp.com/origin/dc21000641ecd058a1dd", "video_size": {"high": {"duration": 83.72, "h": 480, "subjective_score": 0, "w": 854, "file_size": 1980238}, "ultra": {"duration": 83.72, "h": 720, "subjective_score": 0, "w": 1280, "file_size": 3938249}, "normal": {"duration": 83.72, "h": 360, "subjective_score": 0, "w": 640, "file_size": 1531126}}, "duration": 83.72, "thumb_url": "dc21000641ecd058a1dd", "thumb_uri": "dc21000641ecd058a1dd", "md5": "625a21499aeea38cc37c83f792ee7ed5"} --}
南京华厦白癜风防治研究所-王抒-皮肤科-主治医师为你解答
这个不好说,准确的说是一定要扩散的,但是需要触发的因素,比如说外伤感染,情绪等因素都是扩散白癜风的原因。很荣幸为您回答问题。