K y t huat soi b u o n g tu c u n g b ao g o m c o 3 b uoc: - Buoc soi tien c o tu c u n g , eo tu c u n g
- Buoc soi b u o n g t u c u n g .
- Buoc soi lui c 6 tu c u n g va e o tu c u n g .
Du la b u d c nao, viec q u a n sat b ao g i d c u n g b i t d a u b i n g q u a n s at t u xa, q u a n sat t o n g the roi md i d en q u a n sat g an, q u a n sat chi tiet.
Kh i d u a de n soi vao lu o n d u o c k i e m tra b i n g m i t nhi n.
Kh i tien h a n h b u d c soi b u o n g t u c u n g turc la luc kfnh soi b i t d a u v u o t q u a lo trong c u a c o tir c u n g . K i n h soi di va o b u o n g tir c u n g d a d u o c l a m c a n g ra bdi khi C 0 2 h a y b i n g d i c h t r ud c do. T i en h a n h t h a m k h a m b u d n g tir c u n g ti mi, b i t d i u b a n g q u a n sat t o n g the tir xa d e de d a n g n h a n ra c a c b a t t h u d n g neu co. L u o n luon phai tim hai 16 voi trirng c u n g c o n g h l a la kf nh soi d a d d u n g t r on g b u o n g tir c u n g ( x e m hinh 41 d phu b an) . L 6 voi trirng t h u d n g c o d u d n g kinh k h o a n g 2 h a y 3 m m , tdi va k h o n g c o m a c h m a u . D o i khi d n g a y trudc 16 voi trirng c o m a n g n g a n lirng k h o n g c o m a c h m a u . H i n h a n h noi m a c tir c u n g phu t h u o c vao thdi d i e m ciia c h u k y k in h n g u y e t . V d i m o t t h u a n g ton phai n h a n di nh thS tich, c h 6 b a m va m u c do t u a n h o a n n uo i d u d n g , vi tri so vdi 16 voi tru ng . D d i vdi noi m a c tir c u n g phai d a n h g i a tinh t rang, do d ay noi m a c va tuan h o a n nuoi d u d n g .
- Sau m a n kinh: khi k h o n g c o d i i u tri noi tiet thay the, q u a n sat b u o n g tir c u n g rat d l . Noi m a c tir c u n g n h a t m a u , teo, n h i n ro m a c h m a u d d u d i . - P o l y p la k ho i u treo va o tir c u n g , n h a t m a u , c o noi m a c tir c u n g b i n h
t h u d n g c h e p hu. P o l y p t h u d n g co ki ch t h u d c n h o, c u d n g be. D d i k hi c o n h i i u poly p.
- U x a d ud i noi m a c t h u d n g c o kich t h u d c to, c h i c , t r a n g n h a t , c d n h i i u m a c h m a u . N eu g oc g i ua u x o va noi m a c tir c u n g la m o t g o c n h o n , u x o n i m d ud i noi m a c tir c u n g , de cat q u a noi soi. N eu g o c n a y r o n g thi d u d n g k inh ldn ciia u x o n a m t r ong b i sau ciia l a p c a tir c u n g ( x e m h i n h 4 2 d phu ban).
- Q u a san noi ma c tu c u n g d o n thuan: h in h a n h noi m a c g a n n h u b i n h t h ud n g, n h u n g khi an den soi len b i m a t noi m a c thi t h a y c o r a n h sau tren 2 m m chting to co q u a san.
- Q u a san d a n g polyp: noi ma c tti c u n g day, noi len n h i i u p ol yp.
- Q u a san t uyen nang: noi ma c tti c u n g c o n h i e u c au true n h o d a n g n a n g , t rong suot.
Chan doan noi soi buong tti cung bao g id c u ng d uo c b6 sung b i n g ket q u a xet nghiem giai p h i u benh cac ma n h nao sinh thiet noi ma c tti cun g. N goa i ra, noi soi con c ho phep c h i n do an mot so di da ng tti c ung, dinh b u o n g tti c u ng .