Ulnar Variance yog qhov ntev ntawm ulna piv rau qhov ntev ntawm lub vojvoog ntawm dab teg.
Ulna variance yog dab tsi?
Ulnar variance (tseem hu ua Hulten variance) yog hais txog rau qhov ntev ntawm qhov sib txawv ntawm qhov chaw ntawm lub vojvoog thiab ulna. Ulnar variance tej zaum yuav yog: nruab nrab (ob lub ulnar thiab radial articular nto nyob rau tib theem) zoo (ulna tej yaam num ntau distally) tsis zoo (ulna tej yaam num ntau proximally)
Ulnar zoo variance yog dab tsi?
Zoo ulnar variance piav qhia qhov chaw qhov chaw ntawm qhov chaw ntawm lub ulna yog qhov sib txawv ntau dua thaum piv rau qhov sib txawv ntawm lub vojvoog. Nws ua lub luag haujlwm tseem ceeb hauv lub dab teg pathology xws li ulnar impaction syndromes thiab thinning ntawm daim duab peb sab fibrocartilage complex.
Ulnar negative variance txhais li cas?
Negative ulnar variance yog ib yam mob uas lub ulna luv dua li lub vojvoog ntawm carpus. … Txawm hais tias cov laj thawj ntawm lub koom haum no tseem tsis tau piav qhia txaus, qhov muaj qhov tsis zoo ulnar variant tuaj yeem ua qhov tsis ncaj ncees rau qhov pom ntawm ligamentous instability.
Ulnar variance xam li cas?
txhawm rau txiav txim siab ulnar variance ntawm radiographs, feem ntau lees txais tus qauv saib yog kev pom tom qab tau txais nrog lub dab teg hauv nruab nrab ntawm caj npab tig, lub luj tshib 90 ° thiab lub xub pwg abducted 90 °.
