T\u1ed5n th\u01b0\u01a1ng s\u1ee5n ch\u00eam h\u00ecnh \u0111\u0129a (Discoid meniscus) l\u00e0 m\u1ed9t d\u1ecb t\u1eadt c\u1ea5u tr\u00fac c\u1ee7a s\u1ee5n ch\u00eam \u00edt g\u1eb7p h\u01a1n 95% tr\u01b0\u1eddng h\u1ee3p, tuy nhi\u00ean t\u1ef7 l\u1ec7 n\u00e0y c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 26% \u1edf m\u1ed9t s\u1ed1 d\u00e2n t\u1ed9c nh\u01b0 ng\u01b0\u1eddi Nh\u1eadt v\u00e0 H\u00e0n Qu\u1ed1c [1]. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed5n th\u01b0\u01a1ng do ch\u1ea5n th\u01b0\u01a1ng m\u00e0 l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 gi\u1ea3i ph\u1eabu b\u1ea9m sinh, trong \u0111\u00f3 ph\u1ea7n l\u1edbn m\u00f4 s\u1ee5n ch\u00eam t\u1eadp trung th\u00e0nh m\u1ed9t kh\u1ed1i d\u00e0y \u0111\u1eb7c thay v\u00ec h\u00ecnh v\u00f2m b\u00ecnh th\u01b0\u1eddng gi\u1eefa hai \u0111\u1ea7u x\u01b0\u01a1ng kh\u1edbp [1].<\/p>\n
D\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i c\u1ee7a Watanabe et al., d\u1ecb t\u1eadt n\u00e0y \u0111\u01b0\u1ee3c chia th\u00e0nh ba d\u1ea1ng ch\u00ednh: d\u1ea1ng ho\u00e0n ch\u1ec9nh (complete), d\u1ea1ng kh\u00f4ng ho\u00e0n ch\u1ec9nh (incomplete) v\u00e0 bi\u1ebfn th\u1ec3 Wrisberg [1]. C\u00e1c tr\u01b0\u1eddng h\u1ee3p d\u1ea1ng ho\u00e0n ch\u1ec9nh ho\u1eb7c kh\u00f4ng ho\u00e0n ch\u1ec9nh th\u01b0\u1eddng c\u00f3 h\u00ecnh \u0111\u0129a tr\u00f2n, ph\u1ee7 r\u1ed9ng l\u00ean m\u1eb7t kh\u1edbp tibia v\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 g\u1eafn li\u1ec1n v\u1edbi x\u01b0\u01a1ng sau [1]. Ng\u01b0\u1ee3c l\u1ea1i, bi\u1ebfn th\u1ec3 Wrisberg c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea7n b\u00ecnh th\u01b0\u1eddng nh\u01b0ng thi\u1ebfu ph\u1ea7n g\u1eafn k\u1ebft h\u1eadu ph\u01b0\u01a1ng tr\u1eeb d\u00e2y ch\u1eb1ng Wrisberg [3].<\/p>\n
Tr\u00ean th\u1ef1c t\u1ebf, s\u1ee5n ch\u00eam h\u00ecnh \u0111\u0129a th\u01b0\u1eddng kh\u00f4ng g\u00e2y tri\u1ec7u ch\u1ee9ng n\u1ebfu c\u1ea5u tr\u00fac v\u1eabn nguy\u00ean v\u1eb9n. C\u00e1c d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng qu\u00e1 m\u1ee9c ho\u1eb7c va \u0111\u1eadp trong kh\u1edbp g\u1ed1i m\u1edbi xu\u1ea5t hi\u1ec7n khi c\u00f3 r\u00e1ch ho\u1eb7c tho\u00e1i h\u00f3a x\u1ea3y ra [1]. Ph\u1ea7n l\u1edbn c\u00e1c t\u1ed5n th\u01b0\u01a1ng n\u00e0y g\u1eb7p \u1edf s\u1ee5n ch\u00eam b\u00ean ngo\u00e0i (lateral), \u00edt h\u01a1n 0,3% g\u1eb7p \u1edf s\u1ee5n ch\u00eam b\u00ean trong (medial) [2].<\/p>\n
B\u1ec7nh nh\u00e2n c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 c\u1ea3m gi\u00e1c \u0111au t\u1ea1i \u0111\u01b0\u1eddng kh\u1edbp g\u1ed1i b\u00ean ngo\u00e0i, ti\u1ebfng k\u00eau <\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ee5n ch\u00eam h\u00ecnh \u0111\u0129a l\u00e0 d\u1ecb t\u1eadt hi\u1ebfm g\u1eb7p nh\u01b0ng g\u00e2y \u0111au kh\u1edbp g\u1ed1i. B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch d\u1ea5u hi\u1ec7u l\u00e2m s\u00e0ng, c\u00e1ch ph\u00e2n lo\u1ea1i theo Watanabe v\u00e0 nguy\u00ean t\u1eafc ph\u1eabu thu\u1eadt b\u1ea3o t\u1ed3n s\u1ee5n.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-400","post","type-post","status-publish","format-standard","hentry","category-chi-duoi"],"yoast_head":"\n