Nws yog ib yam mob uas tshwm sim raws li ib tug neeg muaj hnub nyoog, feem ntau ua ntej hnub nyoog 20. Poliosis circumscripta yog lub forelock dawb uas feem ntau tshwm sim nrog piebaldism, uas kuj yog ib qho tsos mob tshwm sim nyob rau hauv ob peb lwm yam mob.
Puas piebaldism txhim kho tom qab hauv lub neej?
Piebaldism qee zaum yuam kev rau lwm tus mob hu ua vitiligo, uas tseem ua rau cov tawv nqaij tsis muaj xim. Tib neeg tsis tau yug los nrog vitiligo, tab sis tau txais nws tom qab hauv lub neej, thiab nws tsis yog tshwm sim los ntawm kev hloov pauv caj ces.
hom kev hloov pauv twg ua rau piebaldism?
Piebaldism yog ib qho tsis tshua muaj autosomal dominant disorder uas tshwm sim los ntawm qhov tsis muaj melanocytes hauv thaj chaw cuam tshuam ntawm daim tawv nqaij thiab plaub hau vim hloov pauv ntawm cov khoom siv c-cov noob, uas cuam tshuam rau Kev sib txawv thiab kev tsiv teb tsaws ntawm melanoblasts los ntawm neural crest thaum lub sij hawm embryonic lub neej.
Puas yog piebaldism zoo li vitiligo?
Piebaldism tsis cuam tshuam rau cov xwm txheej xws li vitiligo lossis poliosis. Txawm hais tias piebaldism yuav pom tau tias yog ib feem ntawm albinism, nws yog ib qho xwm txheej sib txawv.
Puas piebaldism recessive?
Keeb Kwm: Oculocutaneous albinism (OCA) yog ib qho autosomal-recessive genetic teeb meem txhais los ntawm hypomelanosis hauv qhov muag, plaub hau, thiab tawv nqaij. Piebaldism yog ib qho autosomal-dominant congenital leukoderma txuam nrog lub forelock dawb.
