surrenalienne2.py

Created by yasminedarcourt

Created on January 24, 2024

1.23 KB


2 medullosu

INDICATION = 
Incidentalome
Suspicion de pheochromocytome

RADIOPHARMA=
-Vecteur = MIBG
-Traceur iode= I123 ou I131
I123 = T = 13h      E(γ) 159 keV
I131 = T = 8j     E(γ) 364 keV E(β-) 606 keV
-Bloquer fonction thyroid
aek iode stabe 2j av et 
-pdn 4j ou 123 et 10j pour 131
-activite = 150 Mbq pour I123
40 Mbq pour i131
-Prepa digestive 
-MIBG pas compatible aek solution saline 
- iv lente sur 5 min aek prise tension
 

INTERACTION MEDICAM
-Labetalol
-Trandate = arrt ttt j-2 iv 
et pdn 4j


PROTOCOLE D ACQUI
-ACQUISITION DES IMAGES J+1 IV 
-Collimateurs =
BEHR si MIBG-I123
HEHR si MIBG-I131
-Acq CE =  balayage de 8 a 10 cm/min
M = 512*2048  z = 1   F = 20%
-Acq sta FA/FP sur labdo de 600s
M = 256*256 ou 128*128  z=1  f= 20%
-Acq tomo abdo = 15 sec/pas
M = 64*64   z=1  f=20%
-UNE ACQI STA A 48H PEUT ETRE DEMANDEE
-Acqui abdo stat FA/FP de 12 min
M =  256*256 ou 128*128  z=1  f= 20%
- Un repere renal peut etre 
fait aek une inj 
de 40 MBq de DTPA ou MAG3
ss bouger le patient suivi
dune stati de 300sec 
aek les me parametres
de lacqui stati de 24h


RESULTAT=
Hyperfixa intenses homogenes
 souvent unilaterales localisees a la surrenale
Pheochromocytome benin = chirurgie
Pheochromocytome malin= chimio

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