歡迎訂閱頻道:https://www.youtube.com/channel/UCkucwd-6tng9xoRcPsol6Xw/?sub_confirmation=1 內科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3uqQEfeF0mP8HgNcE_lTJ0 外科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV2XIi_Zmy8hKcDbGAukg1f4 婦產科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3scVdFzj1EslwQutpsGXIG 兒科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV3ZnbE2emxJ27dkTG5e2aDW 男科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV2_bNY8idyNEwq_Z1yNiHOJ 皮膚性病科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV39wAQkKoB1z7HfUhuosfsw 五官科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0STzjaiPMpWMhlPz856LEZ 腫瘤科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV1-a7c4nBDvCIFipSdgqaiR 精神心理科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV224WzRt9pwtvV7Znmmcbx4 不孕不育:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0ZJqmXnY2JH1Y_0eT2JGZc 醫學影像學:https://www.youtube.com/playlist?list=PLcp9vkDA2gV21gCJvZIBYTRKi7ScCpmLA 其他:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0ypfY6paSZgJ- CR4f3sqc6 中醫科:https://www.youtube.com/playlist?list=PLcp9vkDA2gV0PIDg0o2KRBfR5va3lTvzp 惡性黑色素瘤的生長分為兩個時期：水平生長期，沿著表皮向兩端生長，即為面積增大；垂直生長期，突破表皮往深部長，即為疾病的進展。通常水平生長期預後較好，一旦突破表皮向下生長，浸潤越深預後越差。如果疾病繼續進展可撐破表皮，形成潰瘍，進一步引起出血，沿著血管和淋巴管向遠處轉移，淋巴結腫大，其他器官也有惡性黑色素瘤。
