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Identity Dose Administration route 99mTc-sulfur colloid (filtered or nonfiltered) Mean, 15 MBq (0.5 mCi); range, 15–35 MBq (0.5–1.0 mCi) Subdermal or intradermal 99mTc-tilmanocept 18.5 MBq (0.5 mCi) Subdermal or intradermal Category Parameter Camera type Large–field-of-view multidetector Energy peak 140 keV Energy window 20% Collimator Low-energy high-resolution Patient position Breast Supine Melanoma Supine or prone Camera position, dual-head Detector 1 Anterior Detector 2 Posterior Camera position, single-head Anterior Injection-to-scan time Sulfur colloid Immediate 99mTc-tilmanocept 15-min delay Acquisition type Dynamic or planar Views Breast Immediate anterior images for ∼15–30 min; delayed anterior, oblique, or lateral images, as appropriate, for 3 h Melanoma Immediate anterior or posterior images for ∼30–60 min; additional anterior, oblique, or lateral images, as appropriate, for 1 h Matrix 128 × 128 or 256 × 256 Acquisition time Dynamic: breast 30 s/frame for 2–30 min Dynamic: melanoma 30 s/frame for 30–60 min Planar 5–10 min/view Additional views 5–10 min/view
