leuco_marq.py

Created by yasminedarcourt

Created on January 24, 2024

1.01 KB


Scinti leuco marque en complement de la scinti osseuse 

Indications =
Recherche signe infection sur un site particulier
 notamment sur une prothese
Recherche foyer infectieux en cas de fievre chronique,
 en complement des techniques habituelles
evaluation de lextension dune
 maladie inflammatoire intestinale
 ( Maladie de Crohn ou rectolite hemorragique)


Prepa patient  =
Dosage de la CRP et NFS-plaquettes
la semaine de lexame
 Examen a reprogrammer si 
 nbr de polynucleaires est < 5000/mm3
Jeun de 2 a 4h
Absence de traitements antibiotiques

Radiopharma=
Prelevements de 100 a 120 mL de sang
Isolement des globules blancs
Leucocytes marques a laide de
 1Gbq d HMPAO-Tc 99m
Rendement de marquage doit
etre sup a 30%
Reinjection au patient de
ses leucocytes marques
le delai de reinj
ne doit pas depasser 15 min

protocole aqui=
3-4h apres reinj =
 statiques sur la region
 concernes de 600s
24h = les mêmes statiques
a 900s 
puis tomographie  40s/pas
M = 256*256 (stat) 64*64 (tomo)
Z = 1    F = 20%

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