Fig. 3

Gallium-67 (⁶⁷Ga) scintigraphy of the uterus after prednisone treatment. ⁶⁷Ga scintigraphy revealed high uptake in the intrauterine cavity (arrow), which suggested an active infection in the uterus. High ⁶⁷Ga uptake was not observed in other organs. a anterior and posterior images of ⁶⁷Ga scintigraphy; b horizontal view