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Samenvatting SK2 Casus 5

Class notes Dec 27, 2025 ★★★★★ (5.0/5)
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Samenvatting SK2 Casus 5 Alfabet patronen................................................................................................................................4 Diagnoses.......................................................................................................................................5 Incidentie........................................................................................................................................5 Etiologie..........................................................................................................................................5 Abnormaliteiten van de verticale spier acties.............................................................................5 Abnormaliteiten van horizontale spier acties.............................................................................7 Anatomische abnormaliteiten....................................................................................................8 Spier innervatie stoornis.............................................................................................................9 Pees insertie.............................................................................................................................10 Sensorische torsie.....................................................................................................................10 X-patroon exotropie.................................................................................................................11 Significantie van alfabet patronen................................................................................................13 Sagittalisatie volgens Gobin..............................................................................................................14 Bielschowsky.................................................................................................................................16 Oogbewegingen................................................................................................................................17 Rotterdams schema......................................................................................................................18 WC2 - Casuïstiek A en V patronen........................................................................................................19 Sagittalisatie obliquus inferior.........................................................................................................19 Hoe krijgt je een heteroniem positieve Bielschowsky?.....................................................................19 V-patroon.........................................................................................................................................20 Verschillende operaties die mogelijk zijn om te desagittaliseren van de obliquus inferior..............21 Myotomie posterior......................................................................................................................21 Anteropositie................................................................................................................................21 Desinsertie....................................................................................................................................21 Mogelijke operaties voor een esotropie OS......................................................................................21 WC3 - Introductie N.IV..........................................................................................................................23 Werking externe oogspieren............................................................................................................23 Paraplegische strabismus.................................................................................................................23 Classificatie...................................................................................................................................24 Kenmerken......................................................................................................................................24 Spier sequelae..................................................................................................................................24 Torticollis..........................................................................................................................................26 Kantelen van het hoofd................................................................................................................26 Cyclotropie................................................................................................................................26 1 / 4

Verticale deviatie.....................................................................................................................26 Hoofd draaien...............................................................................................................................26 Kin omhoog of omlaag..................................................................................................................27 Modificatie van de hoofdhouding.................................................................................................27 Onderscheid incomitant en concomitant strabismus.......................................................................28 Differentiëren tussen congenitale en verworven parese..................................................................29 Hess scherm......................................................................................................................................32 Interpretatie.................................................................................................................................33 Gouden regels voor interpretatie Hess schema:...........................................................................34 Status maken bij patiënt met incomitant strabismus.......................................................................34 WC4 - Oorzaken N.IV - dd congenitaal/verworven...............................................................................36 Oorzaken NIV parese........................................................................................................................36 Laesies van de trochleaire nucleus/fasciculus..............................................................................36 Oorzaken..................................................................................................................................36 Laesies in de subarachnoidale ruimte...........................................................................................36 Oorzaken..................................................................................................................................36 Laesies in de sinus cavernosus en superiore orbitale spleet.........................................................37 Laesies binnen de orbita..............................................................................................................37 Pathologische processen van onzekere of variabele locatie........................................................37 Congenitaal vs verworven NIV parese..............................................................................................38 Plan bij NIV parese............................................................................................................................40 Therapie.......................................................................................................................................40 Prognose.......................................................................................................................................40 Revisie...........................................................................................................................................40 WC5 - dd uni- bilaterale N.IV................................................................................................................41 Diagnostische kenmerken uni-bilaterale N.IV...................................................................................41 Kenmerken congenitale n.IV palsies.................................................................................................41 Unilaterale palsy...........................................................................................................................41 Bilaterale palsy.............................................................................................................................42 Kenmerken verworven n.IV palsies..................................................................................................42 Unilaterale palsy...........................................................................................................................42 Bilaterale palsy.............................................................................................................................42 Torticollis..........................................................................................................................................43 Unilaterale palsy...........................................................................................................................43 Bilaterale palsy.............................................................................................................................43 Onderzoek torsie..............................................................................................................................43 2 / 4

Differentiaal diagnoses van congenitale en verworven nIV palsies..................................................45 Differentiaal diagnoses van unilaterale en bilaterale nIV palsy.......................................................45 Classificatie n.IV palsy.......................................................................................................................46 Unilaterale palsy...........................................................................................................................46 Type 1.......................................................................................................................................46 Type 2.......................................................................................................................................46 Type 3.......................................................................................................................................47 Type 4.......................................................................................................................................47 Type 5.......................................................................................................................................48 Type 6.......................................................................................................................................48 Bilaterale palsy.............................................................................................................................48 Type 7.......................................................................................................................................48 Type 8.......................................................................................................................................48 Type 9.......................................................................................................................................49 Type 10.....................................................................................................................................49 Type 11.....................................................................................................................................49 Beheer..............................................................................................................................................49 Niet chirurgische behandeling..........................................................................................................50 WC6 N.IV + DVD- RVD...........................................................................................................................51 Filmpje 1: Uitleg: wat is RVD.............................................................................................................51 Filmpje 2: asymmetrische DVD- tegengesteld gericht......................................................................51 Filmpje 3: asymmetrische DVD - gelijkgericht ..................................................................................51 Filmpje 4: Unilaterale DVD...............................................................................................................51 WC7 - A en V patronen + DVD – RVD....................................................................................................52 Onderzoek........................................................................................................................................52 Torticollis......................................................................................................................................52 Covertest......................................................................................................................................52 Ocular movements.......................................................................................................................52 Meten van de afwijking................................................................................................................53 Bielschowsky darkening wedge test.............................................................................................53 Omgekeerde fixatie test...................................................................................................................53 Differentiaal diagnoses van DVD en obliques inferior overactie.......................................................54 WC1 Hoofdcasus CBL - Hoogstand in adductie - Introductie A/V patronen 3 / 4

Alfabet patronen Aan alfabet patroon komt voor wanneer er een significante verandering ontstaat in de horizontale deviatie vergeleken de primaire positie bij kijken naar omhoog en/of naar benden.Een alfabet patroon kan aanwezig zijn bij -Patiënten met primaire horizontale strabismus (bv infantiele esotropie).-Associatie met congenitaal of verworven paralytische strabismus, spierinnovatie stoornissen of bij mechanische restricties bij oogbewegingen.A/V patronen worden over het algemeen geclassificeerd op basis van de horizontale afwijking in primaire blikrichting -V esotropie oEen toename in de convergentie hoek bij het kijken naar beneden -V exotropie oEen toename in de divergentie hoek bij het kijken naar boven -A esotropie oEen toename in de convergentie hoek bij het kijken naar boven -A exotropie oEen toename in de divergentie hoek bij het kijken naar beneden Als er geen afwijking is in primaire blikrichting, wordt het A/V-patroon gedocumenteerd zoals waargenomen Er zijn aanvullingen/veranderingen in deze alfabet patronen -X patroon oRelatieve divergentie bij naar boven en naar beneden kijken vergeleken de primaire blikrichting -◊ patroon oRelatieve convergentie bij naar boven en naar beneden kijken vergeleken de primaire blikrichting -Y patroon oRelatieve divergentie bij naar boven kijken en geen significante verandering bij naar beneden kijken -λ patroon of omgekeerde Y patroon oEen exotropie is aanwezig enkel bij naar beneden kijken

De diagnose van een A/V patroon kan alleen gemaakt worden bij een meting van de deviatie in primaire blikrichting, bij naar boven kijken en bij naar beneden kijken. Het verschil in grootte van de deviatie bepaald de classificatie .

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Category: Class notes
Added: Dec 27, 2025
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Samenvatting SK2 Casus 5 Alfabet patronen................................................................................................................................4 Diagnoses....................

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