Download - -lp craniu partea 1.ppt
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Radiografia scheletului cranian- partea I
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De mentionat:
• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Bilantul radiografic
• Proiectii standard in doua incidente ortogonale fata si profil
• Incidente speciale• Radiografii comparative pentru structuri
osteoarticulare simetrice• Radiografii cu penetrari diferite pentru
evidentierea partilor moi• Radiografii marite• Radiografia piesei de exereza
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Elemente prealabile in executarea radiografiei
• Precizarea regiunii de radiografiat• Pozitia pacientului si imobilizarea regiunii respective• Semne dr/ stg• Formatul filmului radiografic/ folii, pozitia casetei• Cu/fara grila antidifuzoare• Pozitia si inclinarea razei centrale, eventual localizator• Distanta focar-film intre 75-100 cm• Diafragmare• Protectie plumbata a gonadelor• Stabilirea parametrilor consolei de comanda: kV, mA, timp de
expunere; automat de expunere
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Interpretarea sistematica a radiografiei
• Recunoasterea regiunii din radiografie si a pozitiei de radiografiere
• Examinarea scheletului osos: morfologie externa (ax, forma, dimensiuni, contur); morfologie interna (structura- semiologie)
• Examinarea articulatiei / articulatiilor (spatiul articular radiologic; partile moi periarticulare)
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Repere craniene• nasion: radacina nasului• glabela: intre cele doua arcade sprancenoase, deasupra
santului nazo-frontal• vertex: punctul corespunzator varfului calotei craniene• lambda: unirea suturii sagitale cu sutura lambdoida• inion: protuberanta occipitala externa• gonion: punct mentonier• orbitale: marginea inf. orbita• porion: CAE
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Sursa foto: http://chestofbooks.com/health/anatomy/Human-Body-Construction/images/Fig-49-Landmarks-of-the-skull.jpg
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Planuri craniene• Planul sagital median sau paramedian: imparte craniul in
doua jumatati simetrice sau asimetrice• Planul frontal: perpendicular pe cel sagitalPlanuri principale: ►planul facial: tangential cu bosele frontale si mentonul► planul vertical: sectioneaza vertexul si CAE• Planul axial: ► planul orizontal Virchow/linia orbito-meatala/linia germana:
trece prin marginea superioara a CAE si marginea inferioara a orbitei
► planul bazal Reid: trece prin linia care uneste unghiul extern al orbitei cu CAE
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• Bilant radiografic• Elemente prealabile in executarea
radiografiei• Interpretarea sistematica a radiografiei• Repere craniene• Planuri craniene• Tehnici
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Tehnici
• Pozitii directe: PA, AP, LL• Pozitii oblice: PA in incidenta oblica; AP in
incidenta semiaxiala; Incidenta axiala Hirtz• Pozitii speciale: saua turceasca; pterion;
orbite; fante sfenoidale; fante sfeno-maxilare; os temporal; gaura rupta posterioara; sinusuri paranazale; jonctiunea cervico-occipitala
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Craniu PA• Decubit ventral, frunte-nas
pe masa
• Planul sagital perpendicular pe caseta
• Cu Bucky
• RC: perpendiculara pe caseta; intra prin protuberanta occipitala si iese frontal
http://www.wikiradiography.com/search/everything/fronto-suboccipital%20skull?contains=fronto-suboccipital%20skull
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Craniu AP• Pacient in decubit dorsal, barbia flectata
• Planul mediosagital perpendicular pe caseta
• Cu Bucky
• RC intra la 1 cm deasupra glabelei si iese occipital
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Craniu profil• Pacient in procubit• Planul sagital al craniului paralel cu masa si caseta; suport mentonier• Cu Bucky• RC perpendiculara, intra la 1 cm deasupra liniei Reid si 4 cm anterior de
CAE
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Baza craniului - Hirtz• Pacient in decubit dorsal,
in hiperextensie/ inclinarea casetei
• Planul mediosagital perpendicular pe caseta, planul axial paralel cu caseta
• Cu Lysholm• RC perpendiculara pe
planul axial/ inclinat 10-15° caudo-cranial; intra la 2-3 cm deasupra cartilajului cricoid
• Imobilizarea capului/ apnee
Sursa foto:http://www.wikiradiography.com/search/everything/fronto-suboccipital%20skull?contains=fronto-suboccipital%20skull
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Craniu in incidenta semiaxiala (fronto-suboccipitala)
• Pacient in decubit dorsal cu barbia mult flectata
• Planul mediosagital perpendicular pe caseta, planul Virchow
• Cu Bucky• RC inclinata 30-35° cranio-caudal; intra la
8 cm deasupra glabelei si iese suboccipital
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Sursa foto: http://duckskull.org/DMI 63/7 Trauma foreign body radiography
• Oase occipitale• TCC
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Thank You