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Labeled-leukocyte scintigraphy — In-111 oxine WBC vs Tc-99m HMPAO WBC — for occult infection and osteomyelitis, with Ga-67 citrate as a teaching aside. A living study template with preparation holds, a facility acquisition journey with Maggoo, interpretation cases, and board-style questions.
Facts follow the protocol selected under Image acquisition (In-111 oxine WBC vs Tc-99m HMPAO WBC, top-right toggle). Values are typical SNMMI teaching ranges.
Considerations shared across the In-111 oxine and Tc-99m HMPAO WBC protocols. Click an item for rationale and interpretive impact.
Top-down facility view. Maggoo follows the In-111 oxine WBC protocol: check-in → blood draw → ex vivo labeling (~2–3 h) → IV reinjection of labeled WBCs → optional early image at 4 h → overnight wait → 24-hour image → branch (marrow map / SPECT / Ga-67 teaching aside) → departure.
Ready. Press Play to watch Maggoo’s study day.
Open-access clinical dual-isotope / WBC osteomyelitis scintigrams (Radiopaedia, CC BY-NC-SA) for incongruent marrow–WBC uptake, with synthetic schematics for normal biodistribution, soft-tissue abscess, and artifact cards.
Board-style items on In-111 oxine vs Tc-99m HMPAO WBC selection, normal biodistribution, the marrow-map osteomyelitis pearl, and Ga-67 citrate.