Demonstration of unilateral sialadenitis on postradiotherapy gallium-67-citrate imaging.

Intense, asymetric uptake of 67Ga-citrate in the right parotid and submandibular glands was observed in an asymptomatic patient who had undergone locoregional radiotherapy for Stage IA Hodgkin's disease 8 mo earlier. In view of the modified minimantle radiation field and adjunctive 99mTc salivary imaging, a unilateral radiation-induced sialadenitis best explained this unusual scintigraphic appearance.

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