Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography...
Transcript of Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography...
![Page 1: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/1.jpg)
Examen TC standard cranial i raquis.Tècniques bàsiques i avançades.
Josep MunueraIDI. Hospital Germans Trias i Pujol
![Page 2: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/2.jpg)
Técnicas
• TC basal• AngioTC• TC perfusión• Técnicas de reconstrucción• Artefactos• Conclusiones
![Page 3: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/3.jpg)
TC basal 40/80Ventana modificada
AngioTCCTA_SI
TC_PPC
Técnicas de estudio en SNC
![Page 4: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/4.jpg)
Recomendaciones técnicasØSin contrasteØUtilizar algoritmos diferentes:
Hueso Partes blandas Intermedia Forzada
![Page 5: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/5.jpg)
AngioTC: si posible usar bolus tracking
![Page 6: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/6.jpg)
AngioTC
• Bolus tracking
• Tiempo carotídeo: 20”• Tiempo intracraneal: 23”• Tiempo venoso: 40-50”• Tiempo parenquimatoso: al menos 5’
![Page 7: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/7.jpg)
AJR, 1996
![Page 8: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/8.jpg)
Factors involved in contrast medium enhancement.
Bae K T Radiology 2010;256:32-61
©2010 by Radiological Society of North America
![Page 9: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/9.jpg)
Simulated contrast enhancement curves of the (a) abdominal aorta and (b) liver based on a hypothetical adult male (30 years old; weight, 70 kg; height, 170 cm) subjected to a fixed
volume of 125 mL of contrast medium (350 mg of iodine per milliliter) inject...
Bae K T Radiology 2010;256:32-61
©2010 by Radiological Society of North America
![Page 10: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/10.jpg)
Graph of contrast medium injection, enhancement, and scan time variables illustrates the determination of scan delay from measured contrast material arrival time (Tarr) and additional
diagnostic delay.
Bae K T Radiology 2010;256:32-61
©2010 by Radiological Society of North America
![Page 11: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/11.jpg)
Reconstrucciones MIP angioTC
Menon
![Page 12: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/12.jpg)
TC contraste
TOF ARM-contraste T1-contraste
A
B
![Page 13: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/13.jpg)
Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients WithAcute Stroke Within 6 Hours After Onset
ü20 pacientes con TC y RM infarto <6h
üPacientes con pobres colaterales experimentan crecimiento del infarto y peor outcome (P=0.0058 y <0.012 respectivamente)
Peter Schramm, Stroke 2002
CT angiography source imagesCTA_SI
![Page 14: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/14.jpg)
Parénquima+AngioTC
Ictus del despertar
![Page 15: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/15.jpg)
Regional Leptomeningeal Score on CT Angiography Predicts Clinical and Imaging Outcomes in Patients with Acute Anterior Circulation OcclusionsB.K. MenonAJNR 2011
CT Angiography Source Images Predict Final Infarct Extent in Patients with Basilar Artery OcclusionV. Puetza,b, P.N. AJNR, 2009
CTA_SI fosa posterior
![Page 16: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/16.jpg)
TC
CTA_SI
Existen diferencias?ü Siü No
![Page 17: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/17.jpg)
TC
CTA_SI
Existen diferencias?üSi, el cuerpo del caudado izdoüNo
![Page 18: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/18.jpg)
TC
CTA_SI
Las lesiones en CTA source images (CTA_SI) no difieren de las de difusión. Peter SchrammComparison of Perfusion Computed Tomography and Computed Tomography Angiography Source Images With Perfusion-Weighted Imaging and Diffusion-Weighted Imaging in Patients With Acute Stroke of Less Than 6 Hours’ Duration Stroke. 2004; 35: 1652-1658
![Page 19: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/19.jpg)
![Page 20: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/20.jpg)
![Page 21: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/21.jpg)
PERFUSION POR TC
![Page 22: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/22.jpg)
![Page 23: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/23.jpg)
![Page 24: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/24.jpg)
![Page 25: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/25.jpg)
![Page 26: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/26.jpg)
![Page 27: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/27.jpg)
![Page 28: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/28.jpg)
![Page 29: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/29.jpg)
![Page 30: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/30.jpg)
CURVA DE INTENSIFICACIÓN TRAS EL PRIMER PASO DE BOLO DE CONTRASTE
ESTUDIO DE LA PERFUSIÓN CEREBRAL POR TC
AVANCE TÉCNICO: ROTACIONES DE TUBO DE 1’’ O INFERIORES
![Page 31: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/31.jpg)
CURVA DE INTENSIFICACIÓN TRAS EL PRIMER PASO DE BOLO DE CONTRASTE
ESTUDIO DE LA PERFUSIÓN CEREBRAL POR TC
UNIDADES HOUNSFIELD
![Page 32: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/32.jpg)
CURVA DE INTENSIFICACIÓN TRAS EL PRIMER PASO DE BOLO DE CONTRASTE
ESTUDIO DE LA PERFUSIÓN CEREBRAL POR TC
BOLO DE CONTRASTE YODADO COMPACTADO
PRIMER PASO ARTERIOLA-CAPILAR-VÉNULA
![Page 33: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/33.jpg)
CURVA DE INTENSIFICACIÓN TRAS EL PRIMER PASO DE BOLO DE CONTRASTE
ESTUDIO DE LA PERFUSIÓN CEREBRAL POR TC
SOFTWARE: MODELO DE CINÉTICA DE TRAZADOR
CENTRAL VOLUME PRINCIPLE
MAXIMUM SLOPE
![Page 34: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/34.jpg)
0
10
20
1 7 13 19 25 31
0
10
20
1 7 13 19 25 31
0
10
20
1 7 13 19 25 31
0
10
20
1 7 13 19 25 31
ISQUEMIA
SENO SAGITAL
NORMAL
ARTERIA
![Page 35: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/35.jpg)
CURVA DE INTENSIFICACIÓN
![Page 36: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/36.jpg)
CURVA DE INTENSIFICACIÓN
ÁREA BAJO LA CURVA
VOLUMEN SANGRE CEREBRAL CBV
![Page 37: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/37.jpg)
CURVA DE INTENSIFICACIÓN
TIEMPO
TIME TO PEAK TTP
MEAN TRANSIT TIME TTP
![Page 38: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/38.jpg)
ARTEFACTOS
DIFICULTAD EN LA ELIMINACION HUESO CURVA TIEMPO-DENSIDAD
INADECUADA:•PROBLEMAS TECNICOS
•FUNCION CARDIACA•ARTERIOPATÍA
ALTA SENSIBILIDADAL MOVIMIENTO
![Page 39: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/39.jpg)
EVALUACIÓN DE LA PERFUSIÓN
![Page 40: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/40.jpg)
SELECCIONAR UNA SECCIÓN
![Page 41: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/41.jpg)
PRIMERO: TIME TO PEAK
![Page 42: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/42.jpg)
TIME TO PEAK / MEAN TRANSIT TIME
MAYOR SENSIBILIDAD
ISQUEMIA + PENUMBRA
RETRASO LLEGADA SANGRE
Eastwood. Radiology 2002.MTT el indicador más sensible de Infarto.
![Page 43: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/43.jpg)
SEGUNDO: VOLUMEN
![Page 44: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/44.jpg)
VOLUMEN
ESPECIFICIDAD
ISQUEMIA vs. PENUMBRA
HIPERAFLUJO
Nabavi. Stroke 2001.CBF y MTT mapa inicial:
si alteraciones CBV dilucida isquemia de infarto
![Page 45: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/45.jpg)
TERCERO: FLUJO
![Page 46: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/46.jpg)
FLUJO
ESPECIFICIDAD
ÁREA DE ISQUEMIA
König. rCBF < 20 % : ISQUEMIA IRREVERSIBLE
![Page 47: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/47.jpg)
EVALUACIÓN ANGIO-TC
![Page 48: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/48.jpg)
ANGIO-TC: PRE Y POST-rTPA
![Page 49: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/49.jpg)
NORMAL CBF CBV TTP
N N N
![Page 50: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/50.jpg)
INFARTO CBF CBV TTP
ISQUEMIA
![Page 51: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/51.jpg)
PENUMBRA CBF CBV TTP
ISQUEMIA
+/-
![Page 52: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/52.jpg)
HIPERAFLUJO CBF CBV TTP
N
ISQUEMIA
![Page 53: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/53.jpg)
AUMENTO DE RESISTENCIA:
•HEMODINÁMICO
CBF CBV TTP
N N
ISQUEMIA
![Page 54: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/54.jpg)
AUMENTO DE RESISTENCIA:
•OLIGOHEMIA
CBF CBV TTP
N N
ISQUEMIA
![Page 55: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/55.jpg)
PERFUSIONNORMAL
•CBF: N•CBV: N•TTP : N
CBFRM DIFUSIÓN: INFARTO LACUNAR CAPSULAR
ISQUEMIA
![Page 56: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/56.jpg)
Penumbra isquémicaTC multimodal (CBV/TTP mismatch)
TTP CBVCBF ATC
![Page 57: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/57.jpg)
TC secuencial ventana forzada 30/40 UH
![Page 58: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/58.jpg)
CTA_SI: reconstrucciones 3-4 mm en ventana media: interesa parénquima
![Page 59: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/59.jpg)
Reconstrucciones MIP en grosor aproximado 15 mm
![Page 60: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/60.jpg)
PCT: Comprobar siempre los procesos semiautomáticosRevisar los mapas y compararlos con los teórico
![Page 61: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/61.jpg)
MIP
minIP
VRT
Técnicas de reconstrucción
![Page 62: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/62.jpg)
MIP corte
Volumen VRT
Volumen VIP
![Page 63: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/63.jpg)
![Page 64: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/64.jpg)
Figure 1a. Schematic comparison of volume-rendered and MIP images.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 65: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/65.jpg)
Figure 1b. Schematic comparison of volume-rendered and MIP images.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 66: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/66.jpg)
Figure 3b. Schematic comparison of volume-rendered and MIP images after further editing of the data set.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 67: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/67.jpg)
Figure 3c. Schematic comparison of volume-rendered and MIP images after further editing of the data set.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 68: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/68.jpg)
Figure 13a. CT angiography of the carotid artery.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 69: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/69.jpg)
Figure 13c. CT angiography of the carotid artery.
Fishman E K et al. Radiographics 2006;26:905-922
©2006 by Radiological Society of North America
![Page 70: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/70.jpg)
Fracturas faciales
Trauma de alta energía: asociación
Fractura de Le Fort tipo III
![Page 71: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/71.jpg)
A B
![Page 72: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/72.jpg)
C5
C6
C5
C6C5
C6
C5
C6
Columna
Incluir siempre las charnelas:•Cráneo-cervical•Cérvico-dorsal•Dorso-lumbar•Lumbo-sacra
![Page 73: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/73.jpg)
SCIWORA
Spinal Cord Injury Without Radiological Abnormality
![Page 74: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/74.jpg)
![Page 75: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/75.jpg)
Subdural bilateral
![Page 76: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/76.jpg)
Artefacto de detector
![Page 77: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/77.jpg)
Artefacto central TC helicoidal
![Page 78: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/78.jpg)
Artefacto movimiento en TC espiral
![Page 79: Examen TC standard cranial i raquis. Tècniques bàsiques i ...Comparison of CT and CT Angiography Source Images With Diffusion-Weighted Imaging in Patients With Acute Stroke Within](https://reader030.fdocument.pub/reader030/viewer/2022040906/5e7c81d8cd110f21a1616d9e/html5/thumbnails/79.jpg)
Conclusiones
• TC cráneo.
– Utilizar diferentes ventanas y algoritmos de reconstrucción.
• AngioTC.
– Optimizar bolo de contraste.
• TC perfusión.
– Interpretación de los mapas