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Imagistica pentru AVC-ul ischemic si hemoragic

Program cofinantat din Fondul Social European prin Programul Operational Sectorial Dezvoltarea Resurselor Umane 2007-2013 INVESTESTE IN OAMENI !. Imagistica pentru AVC-ul ischemic si hemoragic. Stanca Ples.

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Imagistica pentru AVC-ul ischemic si hemoragic

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  1. Program cofinantat din Fondul Social European prinProgramul Operational Sectorial DezvoltareaResurselorUmane 2007-2013 INVESTESTE IN OAMENI! Imagistica pentru AVC-ul ischemic si hemoragic Stanca Ples Continutulacestui material nu reprezinta in mod obligatoriupozitiaoficiala a UniuniiEuropenesau a GuvernuluiRomaniei

  2. “THE SEARCH FOR TRUTH IS MORE IMPORTANT THAN ITS POSSESION” A. EINSTEIN

  3. PATOLOGIANeurologica : AVC -ischemic -hemoragic Neurochirurgicala -AVC, hemoragiasubarahnoidiana -traumatica – cerebrala - coloanei vertebrale

  4. Metode de diagnostic: • radiografia • CT -raze X (dozairadiere) • RMN -camp magnetic (implant metalic feromagnetic) -underadiofrecventa

  5. Computer Tomografia • De electie in hemoragii, traumatologie , patologiaosului, URGENTE • Mai putinevidente – leziunileischemice • Raze X • -IZO, HIPO , HIPER –DENSITATI-comparativ cu densitateatesutului cerebral

  6. Rezonanta Magnetica Nucleara • De electie pentru leziunile cerebrale vasculare ischemice , tumorale, infectioase • Timp de scanare lung • Imposibilitatea efectuarii in situatia implantelor fero-magnetice • Izo-semnal , hipo-semnal , hiper-semnal comparativ cu tesutul cerebral

  7. Leziuni cerebrale hemoragice

  8. CISTERNELE BAZALE

  9. LEZIUNILE TARDIVE hematomul subdural cronic

  10. LEZIUNILE TRAUMATICE TARDIVEhidrocefalia

  11. RMN -PACIENT CU TRAUMA SECUNDARA , COMITIAL

  12. Hematomul intraparenchimatos

  13. Patologia vasculara –hemoragia subarahnoidiana(HSA)

  14. Hemoragie intraventriculara

  15. ANGIO- CT

  16. NEURODIAGNOSTICUL: • SPECTROSCOPIE (HMRS) • PERFUZIE (PWI) • DIFUZIE (DWI) • SUSCEPTIBILIATE MAGNETICA (SWI)

  17. Perfuzia cerebrala

  18. SPECTROSCOPIA-RMN

  19. SPECTROSCOPIA-multivoxel

  20. Spectroscopia –single voxel

  21. SPECTROSCOPIE METABOLITI Reproduction after Tkac et al.2001

  22. Grafic Spectral Mapping spectral

  23. MAPPING spectral–

  24. SPECTROSCOPIA • CEREBRALA • MEDULARA • VERTEBRALA

  25. METABOLITI • N- acetilaspartat(NAA) - marker neuronal • Cholina( Cho) - marker al turn- overuluiprin membrane celulare • Creatinina( Cr) - marker al metabolismului energetic • Lactat(Lac) - marker al metabolismului anarob • Inositol(Ino) - marker glial

  26. Metaboliti markeri infectiosi: • Lactat • Succinat • Acetat • Valina,Leucina,isoleucina( cytosolic-AA ) • Trehalosa • Lipide

  27. INTERMEDIAR TE (135 ms) Reproduction after Howe et al.2003

  28. SCURT TE (30 ms) Reproduction after Howe et al. 2003

  29. RMN -PACIENT CU TRAUMA SECUNDARA ,COMITIAL

  30. CONTROL 3 LUNI

  31. SPECTROSCOPIE: • POSTOPERATOR: • GLIOM DE GRAD MIC

  32. SWI(susceptibilitate magnetica )

  33. LEZIUNEA AXONALA DIFUZA

  34. EVALUAREA LEZIUNILOR NEURONALE

  35. NAVIGATIA INTRAARTERIALA

  36. “In definitiv putem fi judecati nu numai dupa ce izbutim , ci dupa ceea ce dorim sa izbutim “ O. Paler

  37. Vamultumesc!

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