Hach sung to do benh gi

Hach la nhung nut phinh to cau truc tron hinh bau duc, rai rac tren cac duong bach huyet quan va ket chum o mot so vung nhu co, nach, ben. No cau tao tu mo bach huyet va sinh ra cac te bao bach huyet (lymphocyte) va khang the.

Co the vi hach giong nhu cac tram quan su tien tieu, no co nhiem vu ngan can, chong do, bao ve co the va tieu diet cac yeu to gay benh (virus, vi khuan...), hoac gay nguy hai cho tung vung cua co the. Cac chum hach tac dong nhu cac chuong ngai vat, bao ve khong cho nhiem khuan lan di bang cach thanh loc va thuc bao cac vi khuan va vat la khoi bach huyet.

Voi tre em va nhung nguoi gay, co the so thay tren nguoi (o co, ben) co hach nho duong kinh duoi 1cm, khong dau, di dong va lan kham nao cung so thay, nhung khong to len.

Nguoi ta chi coi mot hach la benh ly khi no co nhung dac diem sau: hach to (duong kinh tren 1cm), hach cang mong, hoac dau, hoac rat cung. Thuong hach benh ly trong cac truong hop nhu:

Hach do nhiem khuan thong thuong

Day la hach phan ung cua mot o nhiem khuan nao do: Co the la o tai, mui, hong hoac rang thi hach o co sung, khi nhiem khuan ngoai da o tay thi hach nach sung, khi co nhot o chan thi hach ben sung... Cac hach nay sung to nhanh, khong cung nhung co do cang nhat dinh va so nan thay dau. Khi dung thuoc khang sinh thay bot sung dau, the tich hach nho di.

Hach lao

Hach so nan khong dau, phat trien tu tu trai qua hang thang, mat do mem, cang. Tuy hach lao co the thay o nhieu noi, nhung thuong thay nhat la vung co, tuy chi so thay vai hach, nhung thuc ra la tung chum, song chi so thay may hach to nhat - trong nhan dan truoc day thuong goi la benh trang nhac. Chan doan xac dinh bang sinh thiet hach, lam phan ung Mantoux va cac xet nghiem tim vi khuan lao.

Hach ung thu

Hach di can cua mot ung thu o vung dau mat co, hoac la mot ung thu hach he thong. Hach thuong noi len tu tu, bat dau tu luc nao khong ro, co dac diem rat cung (so nan cung nhu soi da), bam rong vao to chuc xung quanh, dinh chat vao cac lop sau nen co cam giac nhu co re, co chan, khong dau khong gay cam giac kho chiu - do la hach ung thu hoac di can ung thu. Nguoi cao tuoi can luu y phat hien som loai hach nay.

Khi thay hach sung to, dieu chu yeu la phai tim ra benh ma hach da phan ung, de chua. Dieu tri nhu the nao la tuy theo benh ly tung truong hop.

Theo Suc khoe & doi song