Yadda za a yi amfani da Mri don gano cutar Gwanin Gwaniya da LIGION?

Benucus shine meniscus-dimbind fizarin-triangular giciye tsakanin tibial condyle da Plateau, wanda ya inganta muhimmiyar rawa a gwiwa a gwiwa.

Na yau da kullun da na al'ada

A kan hotunan sagittal da na gaba, meniscus na al'ada yana da triangular a cikin hypointulense. A kan mafi yawan hoton Sagittal, meniscus ne 'Bow-taye ' tsarin kunshi bangaren Sagittal hade tare da na gaba da kai (Hoto 1).

Hoto na 1 na al'ada MRI na al'ada na meniscus medicus. Vipon density-mai auna Sagittal View: Ka'idojin Meniscal kusurwa sune kusurwoyi masu hade da juna. Bayyanen meniscis ne bakadpt kuma ya ƙunshi sassan tsakiyar sashin da ke haɗa da ƙaho a gabansa da na bayansa a bayan sa.

Yana da amfani don fahimtar wasu cututtukan cututtukan cututtukan zuciya kamar yadda zasu iya daidaita mencal.

• A sashe na sagittal, canji tsakanin jijiyoyin da na ciki;

• da tenon jijiya;

• Liiscus-Meniscusger-Fimical Limical ya haɗu da Lemital na bayan Peniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscus na Meniscast;

• Elique meniscus ligamus, wanda lokaci-lokaci ke hade da ƙaho na meniscus na baya na gefen meniscus ko ganga mai kyau

• Discoid menisisbi ne mai rauni meniscus nakasa. Wannan meniscal dysplasia tana shafar kusan kusan ma'anar menisiscus. Ilmi na ilimi ne akan MRI ya dogara da cigaba da cigaba da offior da hotuna 3 a jere 5 a jere mm lokacin yanka (Fig. 2). Wadannan binciken an daidaita shi bisa saitunan sashi da aka yi amfani da shi.

Hoto na 2 gano meniscus a gefe. Hoton Sagittal T1-Weighted hoto. Ci gaba da sasanninsu na gaba da baya na sassan 3 a jere. Ka lura da lalacewar myxoid na ƙaho na ƙaho na wannan binciken menisis.

Meniscus patology immenting

Ainihi ne na gama gari don rarrabe tsakanin meniscus da meniscus degelis. Raunin raunin da ya faru sakamakon aikace-aikacen wuce haddi na menisis. A cikin matasa manya, mafi yawan farfadowa yana haifar da rauni a kai tsaye, da kwatsam tsinkaye na Tibia bayan juyawa na waje ko hyperflexion na gwiwa a 20 ° na juyawa. Madadin haka, degeneration yana faruwa sakamakon sojojin injin yau da kullun suna aiki akan meniscus lalace ta hanyar lalacewa ta myxid. A kwance meniscal fiss na iya haifar da kwatsam ko kuma ana iya haifar da su da raunin da ya samu.

Rarrabuwa

Dangane da shugabanci na jirgin sama mai tsabta, za'a iya raba shi zuwa kasashe a kwance, a tsaye kaso ko tsayayyun rauni

A kwance a kwance

Akwai wani jirgin sama mai rauni a cikin jirgin sama mai cike da Tibal wanda yaudarar meniscus zuwa sama da sassauƙa. Waɗannan raunin kwance suna yaduwa, na iya shafar menisisis din da ke tsaye, kodayake tarkace wanda aka bayyana a cikin tsagi bayan lalacewar meniscus din da aka bayyana.

A tsaye

Perpendicular ga jirgin saman tibane kuma tare da kewayen meniscus. Wadannan suna iya shafar meniscus na medicus. Cikakken rauni ana ɗaukar shi da rashin ƙarfi kuma ya raba meniscus cikin lambobin medial da na gefe. Matakan binciken yana haɗawa da meniscus na meniscus na ƙarshen gefe, wanda yake da sauƙi a ɓace a matsayin ganga na gwiwa yana jujjuyawa. Haɗe tare da hotunan Sagittal, ana iya yin tsinkayen ganga (Hoto na 3).

A. Jononal Mri, kibiya maki ne zuwa ga ƙahonin menisisis, wanda yake da sauki a rasa shi azaman ganga crack; B. Lokacin aiwatar da MRANCing bisa ga matsayin da aka nuna ta hanyar layin da aka nuna a cikin adadi, berararren ganga na jigo yana bayyana.

Radial fissures ne perpendicular ga kewaye da meniscus kuma yawanci shafar gefen meniscus free.

Farrot berak hawaye

Wani mummunan lalacewa ne wanda ya ƙunshi kayan aikin tsaye da kuma wani yanki mai radial cyclically yana shimfiɗa a gefen kyauta.

A ƙarshe, akwai rikicewar meniscal, ba tare da wani bayyananne kwatancen ba, wanda ya shafi mahimman ƙasƙanci da ƙasa.

MRI bayyana na raunin meniscus

Meniscus hawaye

Stoller et al. An ba da shawarar 3 maki na menisis (Hoto na 4)

Sa 1: Hyperartentitientarety Menisuly meniscus ya riƙe a kan meniscus surface;

SaDa 2: Babban siginar layin da Meniscus ya riƙe a kan meniscus surface;

Sa na 3: Hyperentencety ya shimfiɗa zuwa ga menisculus na meniscus.

Hoto 4 sikelin sikeli. A: GAME 1: Oneaya ɗaya ko fiye da keɓaɓɓun shafukan yanar gizo da ke hade da yanayin menisiscus na meniscus; b: Saukin 2: layi mai layi na tsinkaye a saman sandar meniscus na meniscus. c: Sa 3: Na layi na layi mai saurin hypertinentition yaduwa ga meniscus na meniscus.

Kodayake rarrabewa tsakanin maki 2 da 3 suna da kyau, yana rarrabe mafi kyau, tana rarrabe tazara tazara ta hyperenisentenity (Hoto na 5) daga fassarar gaskiya. Wannan banbanci tsakanin da aka sanye da tsoran meniscus ba koyaushe ba ne kai tsaye, kuma akwai hanyoyin da yawa na kuskure saboda bayyanar ƙarin ko ɓace.

Hoto na 5. Bayyanar yanayin meniscus. Ra'ayin Sagittal na Sagittal duba tare da jikewa mai. Za'a iya ganin wuraren siginin sigina ba tare da wani hoton backra ba.

Matakan kariya:

MRI yana da kyakkyawan aiki, tare da sani da dama tsakanin 90% da 95%. A kan Mri, meniscal cleft yana bayyana azaman tsaka-tsakin yanayin hypointense zuwa ɗayan manyan hanyoyin meniscus (Stoller aji na ƙwaƙwalwa.

Lokacin da hawaye kawai bayyane a kan yanki guda ɗaya ne, akwai wasu matsaloli, musamman hadarin sakamako na tabbatacce. Idan hypertinentity tsakanin layin menisis yana da matukar tasiri ga meniscal surface, watau a akalla sassan biyu na kusa, ana bada shawara a dauki irin aiki. Wannan ra'ayi ya kamata a daidaita dangane da yanayin hoton da aka yi amfani da shi (3 zuwa 4 mm sashe ko samun ƙarar 3D tare da sassan MM isotropic).

Radal meniscal crefts wani lokaci yafi wahalar ganowa, ba da labarinsu. Waɗannan sun haifar da cututtukan cututtukan cututtuka:

• Katsar da katsewa ko fitarwa a kan hoton gaban;

• Dakatar da bayyanar bayyanar meniscus bowtie a kan hoton sagittal (Hoto na 6);

Hoto 6. Raderure yaki a cikin yanayin rashin ƙarfi na meniscus a cikin Sagittal Video. Al'adar al'ada ta meniscus trancy bow ƙulla (kibiya).

• Wani bashin ko 'Ghost ' meniscus tare da m radial rap.

Rupperture na meniscus tare da guga yana riƙe da tsinkaye kusan kashi 10% na tsawaita abubuwan da aka gabatar da Spondylistesis. A wannan yanayin, m na Mri kusan 70%, ya danganta da ka'idodin bincike.

Fahimtar Mri da ke buƙatar kulawa:

Mafi yawan ganowa shine hangen nesa kai tsaye na yanki mai ƙaura a cikin yankin Intercondyyyy yankin: the 'Landark mai sau biyu yana lalata da jita-jita. Kone wanda aka karkatar da shi ya bayyana a matsayin wata kungiya ta kungiya mai dauke da layi daya zuwa ga Ligita na yau da kullun, samar da wani 'bayyanar. 7). Wuce kima Rake na Rake (sama da 6 mm a cikin girma) na iya nuna zama gaban ganga na ganga (Hoto na 8). A wannan yanayin, rauni na meniscus da aka watsar da shi a ƙaho na ci gaba.

Hoto na 7 bayyanar bayyanar meniscus na medicus yana da a 'biyu PLCL ' alamar. Ra'ayin Sagittal PD-Weighted kallo tare da mai ƙonewa: guntun meniscus da aka ƙidaya (kibiya) da kuma samar da halayyar na yau da kullun (kibiya) da kuma samar da halayyar dan adam ''Brovn PLC'.

Hoto na 8 na gaba na gaba ƙaho. Ra'ayin Sagittal Protonity View. Kashi na waje na yanki na watsawa (kibiya) an haɗe shi da kusurwa na menisisis (Arrow). Lura cewa ba a nuna alamun baya ba (*).

Sauran abubuwan binciken Mri:

Sauran alamun MRI sun tabbatar da su, kamar su rasa bow taye, ta hanyar shiga cikin yankin Intercerter Official.

Hoto 9 dislocated guga dance a cikin rami. Gaban pd-girman ra'ayi bayan mai kitse. Guntun meniscus da aka rarraba (kibiya) yana hulɗa da ACL (kibiya).

Wata alamar meniscal tabbas ita ce tantance matsalar waje na meniscal gutsuttsuran meniscal ko hutu na tabial. Waɗannan wurare sun haɗa da kusan ta hanyar likita na likita kuma rikitarwa ce ta wasu lamuran da ke kwance a cikin 10% na shari'o. Jinin jikina da sassan transvere sune hanya mafi kyau don gano wadannan hadari.

Menisiscus

Meniscal Decechment ya faru sakamakon rauni mai tsanani na Valgus kuma yana haifar da katsewar kwararar kayan meniscus '. Wadannan suna iya shafar da ƙahonin na ƙarshe na meniscus na tsakiya wanda ke ɗaure wa Capaske na haɗin gwiwa ta hanyar ɗaukar hoto na haɗin gwiwa (layin dogo).

Suna haifar da zagaye 5 zuwa babban meniscus daga kan iyakar farantin na tibial akan ginin meniscus da jirgin sama na hadin gwiwa.

Adadi na 11 detach na ƙahon menisis. Ra'ayin Sagittal na Sagittal. An raba meniscus wanda aka rabu da shi. Akwai wani yanki mai yawa na hypertinensity (*) tsakanin tushen meniscus da kuma pasterial capsule (kibiya).

Kewayawa meniscus

Wannan sakamakon raunin tashin hankali ne kuma ya kasance ga mencal-tigibature da mencal-tiibial rupial da kuma taka irin yanki na meniscus. A Mri, meniscus sun kewaye meniscus kewaye da ruwa da ruwa zuwa 'taso zuwa ' taso kan '' akan Tibal Plateau (Hoto na 12).

Hoto na 12 da ke iyo meniscus. Vinearancin Prinon Prinon Duba tare da jikewa mai. Meniscus da aka raba yana kewaye da ruwa, musamman tsakanin farjinta da kuma Tibal Filato (Arrow).

Meniscus

Jin zafi bayan jinsi yana gabatar da matsaloli da yawa: maimaitawa, mai ɗaukar hoto, chondrolysis, subchralgia. MRI sau da yawa ya kasa gano fississ na maimaitawa saboda rashin daidaituwa yana barin hypertinstenses waɗanda 'ba daidai ba kuma a daidaita meniscus. Neman kawai wanda aka yi la'akari da irin halin da aka bincika shi kuma an fassara shi azaman maimaitawa shine mai haifar da hankalin gidan mahaifa a kan hotunan da aka haskaka. Waɗannan ƙarancin Mri kaɗai ne suka sa wasu marubutan su gabatar da wasu marubutan don ba da shawarar yin amfani da Mri Arthroscopy, kodayake farawar ta auku.

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