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Visualize SIRT success from the start

The first and only CE-marked SIRT work-up product that utilizes the same technology (Holmium-166 microspheres) as the therapeutic microspheres, to optimize patient selection and advance treatment planning. 


  1. QuiremScout® utilizes the same microsphere as QuiremSpheres®1

  2. In a population of 82 patients, QuiremScout® has been demonstrated to be safe2

  3. QuiremScout® is a better predictor for lung shunt3 and intrahepatic distribution than 99mTc-MAA.4

  4. QuiremScout® enables dual isotope (166Ho/99mTc-colloid) technology5

Clinical evidence

See all clinical evidence

General specifications

Particle Morphology​MAA.JPG
​Particle size (µm)
​1 - 150
​30 (15-60)
​30 (15-60)
​Number of particles (million)
​0.2 - 1.2
​Gamma energy
​141 keV
​81 keV
​81 keV

QuiremScout® is a product manufactured by Quirem Medical B.V and has CE-mark.

QuiremScout® is not available for sales in all countries. This information is provided only in respect to markets where the product is approved and cleared. 

QuiremScout® is not FDA cleared in the US. 

Item specifications

​Item reference
​Material description


​V-vial containing a small quantity of low-dose holmium-166 microspheres
​Customer kit

​Set of re-usable administration box and accessories for administration of QuiremSpheres®

​Delivery set

​Set of sterile single-use tube lines for administration of QuiremSpheres® (in a carton of 6 pieces)


1 QuiremScout® 166Ho-Scout - Instruction for use - Quirem Medical B.V.
2 Braat et al, 2017 Eur Rad 
3 Elschot et al. 2014 EJNMMI
4 Dassen et al, 2018 CIRSE Abstract (
5 Braat et al, 2018, ECIO Abstract ( 7. Braat et al, 2018 BMC Gastroenterology 

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This webpage can include promotional content regarding one or several products of Terumo Europe, or some procedures concerning the use or implantation of such products. This webpage is exclusively intended for healthcare professionals and is in no event directed to the general public