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Lateral collateral ligament raug mob ntawm pob taws pob qij txha, kom qhov kev ntsuam xyuas yog kev tshaj lij

Kev raug mob pob qij txha yog ib qho kev raug mob kis las uas tshwm sim li ntawm 25% ntawm kev raug mob musculoskeletal, nrog rau kev raug mob lateral ligament (LCL) feem ntau. Yog tias qhov mob hnyav tsis kho raws sijhawm, nws yooj yim ua rau rov ua dua, thiab cov mob hnyav dua yuav cuam tshuam rau kev ua haujlwm ntawm pob taws pob qij txha. Yog li ntawd, nws yog ib qho tseem ceeb heev rau kev kuaj mob thiab kho cov neeg mob cov kev raug mob thaum ntxov. Cov kab lus no yuav tsom mus rau kev paub txog kev paub txog kev raug mob ntawm cov pob qij txha ntawm pob qij txha los pab cov kws kho mob txhim kho qhov tseeb ntawm kev kuaj mob.

I. Anatomy

anterior talofibular ligament (ATFL): flattened, fused mus rau sab nraud capsule, pib anterior mus rau lub fibula thiab xaus anterior mus rau lub cev ntawm lub talus.

Calcaneofibular ligament (CFL): qaum-zoo li tus, pib ntawm tus ciam teb anterior ntawm lub distal lateral malleolus thiab terminating ntawm lub calcaneus.

Posterior talofibular ligament (PTFL): Keeb kwm ntawm qhov chaw nruab nrab ntawm lub lateral malleolus thiab xaus posterior mus rau medial talus.

ATFL ib leeg suav txog li 80% ntawm cov kev raug mob, thaum ATFL ua ke nrog CFL raug mob suav txog li 20%.

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Schematic daim duab thiab daim duab anatomical ntawm lub lateral collateral ligament ntawm pob qij txha

II. Mechanism ntawm kev raug mob

Supinated raug mob: anterior talofibular ligament

calcaneofibular ligament varus raug mob: calcaneofibular ligament

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III. Kev raug mob qeb

Qib I: ligament strain, tsis pom ligament rupture, tsis tshua muaj o los yog rhiab, thiab tsis muaj cov tsos mob ntawm kev poob haujlwm;

Qib II: ib nrab macroscopic rupture ntawm ligament, mob me ntsis, o, thiab rhiab, thiab me me ntawm kev sib koom ua haujlwm;

Qib III: lub ligament tau tawg tag thiab poob nws txoj kev ncaj ncees, nrog rau qhov o tseem ceeb, los ntshav thiab rhiab, nrog rau kev ua haujlwm tsis zoo thiab tshwm sim ntawm kev sib koom ua ke.

IV. Kev kuaj mob pem hauv ntej tub rau khoom kuaj

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Tus neeg mob zaum nrog lub hauv caug flexed thiab qhov kawg ntawm tus nyuj dangling, thiab tus kws kuaj xyuas tuav tus tibia nyob rau hauv qhov chaw nrog ib txhais tes thiab thawb ko taw mus rau pem hauv ntej ntawm pob taws nrog rau lwm tus.

Xwb, tus neeg mob yog supine los yog zaum nrog lub hauv caug khoov ntawm 60 mus rau 90 degrees, lub pob taws ruaj khov rau hauv av, thiab tus kws kuaj mob siv lub siab tom qab rau lub distal tibia.

Ib tug zoo kwv yees rupture ntawm lub anterior talofibular ligament.

Inversion stress test

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Lub pob taws sib thooj tau immobilized, thiab varus kev nyuaj siab tau siv rau lub pob taws pob taws los ntsuas lub talus qaij lub kaum sab xis.

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Piv nrog rau sab contralateral, > 5 ° yog qhov tsis zoo, thiab > 10 ° yog qhov zoo; lossis unilateral> 15 ° yog qhov zoo.

Ib tug zoo kwv yees ntawm calcaneofibular ligament rupture.

Kev kuaj duab

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X-rays ntawm pob qij txha kis las kis las

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X-rays yog qhov tsis zoo, tab sis MRI qhia tau hais tias lub kua muag ntawm anterior talofibular thiab calcaneofibular ligaments

Qhov zoo: X-ray yog thawj qhov kev xaiv rau kev kuaj xyuas, uas yog kev lag luam thiab yooj yim; Qhov luaj li cas ntawm qhov raug mob yog txiav txim los ntawm judging lub degree ntawm talus inclination. Qhov tsis zoo: Cov zaub tsis zoo ntawm cov nqaij mos, tshwj xeeb tshaj yog cov qauv ligamentous uas tseem ceeb rau kev tswj kev sib koom ua ke.

MRI

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Fig.1 Txoj hauj lwm 20 ° oblique pom qhov zoo tshaj plaws anterior talofibular ligament (ATFL); Fig.2 Azimuth kab ntawm ATFL scan

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MRI dluab ntawm txawv anterior talofibular ligament raug mob qhia tias: (A) anterior talofibular ligament thickening thiab edema; (B) anterior talofibular ligament kua muag; (C) rupture ntawm anterior talofibular ligament; (D) Sab talofibular ligament raug mob nrog avulsion puas.

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Fig.3 Qhov -15 ° oblique txoj hauj lwm pom qhov zoo tshaj plaws calcaneofibular ligament (CFI);

Fig.4. CFL scanning azimuth

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Mob, ua kom tsim kua muag ntawm calcaneofibular ligament

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Daim duab 5: Coronal saib pom qhov zoo tshaj plaws posterior talofibular ligament (PTFL);

Fig.6 PTFL scan azimuth

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Ib nrab kua muag ntawm posterior talofibular ligament

Qib ntawm kev kuaj mob:

Chav Kawm I: Tsis muaj kev puas tsuaj;

Qib II: ligament contusion, zoo kev ntxhib los mos txuas ntxiv, thickening ntawm ligaments, hypoechogenicity, edema ntawm ib puag ncig cov ntaub so ntswg;

Qib III: ua tsis tiav ligament morphology, thinning los yog ib feem cuam tshuam ntawm kev ntxhib los mos continuity, thickening ntawm ligaments, thiab nce teeb liab;

Qib IV: ua tiav kev cuam tshuam ntawm ligament txuas ntxiv, uas tuaj yeem nrog avulsion pob txha, thickening ntawm ligaments, thiab nce hauv zos lossis diffuse teeb liab.

Qhov zoo: Kev daws teeb meem siab rau cov nqaij mos, pom meej ntawm ligament raug mob hom; Nws tuaj yeem qhia cov pob txha mos, pob txha contusion, thiab tag nrho cov xwm txheej ntawm kev raug mob.

Qhov tsis zoo: Nws tsis tuaj yeem txiav txim siab seb puas muaj pob txha thiab pob txha pob txha puas raug cuam tshuam; Vim lub complexity ntawm pob taws ligament, qhov kev ntsuam xyuas efficiency tsis siab; kim thiab siv sij hawm.

High zaus ultrasound

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Daim duab 1a: anterior talofibular ligament raug mob, ib nrab tsim kua muag; Daim duab 1b: anterior talofibular ligament yog torn kiag li, cov stump yog thickened, thiab ib tug loj effusion yog pom nyob rau hauv lub anterior lateral qhov chaw.

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Daim duab 2a: Calcaneofibular ligament raug mob, ib nrab kua muag; Daim duab 2b: Calcaneofibular ligament raug mob, ua tiav rupture

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Daim duab 3a: Ib txwm anterior talofibular ligament: ultrasound duab qhia ib daim duab peb sab inverted uniform hypoechoic qauv; Daim duab 3b: Ib txwm calcaneofibular ligament: Nruab nrab echogenic thiab ntom filamentous qauv ntawm daim duab ultrasound

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Daim duab 4a: Ib feem tsim kua muag ntawm anterior talofibular ligament ntawm ultrasound duab; Daim duab 4b: ​​Ua tiav cov kua muag ntawm calcaneofibular ligament ntawm daim duab ultrasound

Qib ntawm kev kuaj mob:

Contusion: acoustic dluab qhia cov qauv tsis zoo, thickened thiab o ligaments; Kev tsim kua muag ib nrab: Muaj o hauv ligament, muaj kev cuam tshuam tsis tu ncua ntawm qee cov fibers, lossis cov fibers hauv zos thinned. Dynamic scans pom tias ligament nro yog qhov tsis muaj zog, thiab ligament thinned thiab nce thiab elasticity tsis muaj zog nyob rau hauv cov ntaub ntawv ntawm valgus los yog varus.

Ua kom tiav cov kua muag: ib qho tag nrho thiab tsis tu ncua cuam tshuam ligament nrog kev sib cais distal, dynamic scan qhia tias tsis muaj ligament nro lossis nce kua muag, thiab hauv valgus lossis varus, ligament txav mus rau lwm qhov kawg, tsis muaj elasticity thiab nrog xoob sib koom ua ke.

 Qhov zoo: tus nqi qis, yooj yim rau kev khiav lag luam, tsis muaj kev cuam tshuam; Cov qauv hloov maj mam ntawm txhua txheej ntawm cov ntaub so ntswg subcutaneous tau pom meej meej, uas yog qhov zoo rau kev soj ntsuam cov ntaub so ntswg musculoskeletal. Kev soj ntsuam ntawm kev txiav txim siab, raws li txoj siv sia ligament txhawm rau taug qab tag nrho cov txheej txheem ntawm ligament, qhov chaw ntawm ligament raug mob yog qhia meej, thiab ligament nro thiab kev hloov pauv ntawm morphological tau pom zoo.

Qhov tsis zoo: kev daws teeb meem ntawm cov ntaub so ntswg qis dua piv rau MRI; Cia siab rau kev tshaj lij kev ua haujlwm.

Arthroscopy check

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Qhov zoo: Ncaj nraim soj ntsuam cov qauv ntawm lub lateral malleolus thiab hindfoot (xws li inferior talar joint, anterior talofibular ligament, calcaneofibular ligament, thiab lwm yam) los ntsuas qhov ncaj ncees ntawm ligaments thiab pab tus kws phais txiav txim siab txog txoj kev phais.

Qhov tsis zoo: Kev tsis zoo, tuaj yeem ua rau qee qhov teeb meem, xws li paj hlwb puas, kab mob, thiab lwm yam. Nws yog feem ntau suav hais tias yog tus qauv kub rau kev kuaj mob ligament thiab tam sim no feem ntau yog siv los kho mob ligament.


Post lub sij hawm: Sep-29-2024