GALLIUM-67-CITRATE SCINTIGRAPHY OF HIGH-GRADE T-CELL NON-HODGKINS-LYMPHOMA

Scintigraphy with Ga-67-citrate indicated the transition of an orbital pseudotumor into a lymphoma by a distinct increase in Ga-67 avidity. The patient initially presented with a pseudotumor in the right orbit that was verified by CT and MRI. It was caused by a chronic reactive l ymphocytic inflammation extending from the lacrimal gland. At that tim e, scintigraphy was negative. Six and a half weeks later, the tumor ha d not responded to therapy and scintigraphy then showed a striking inc rease in gallium avidity. Consequently, the tumor was excised and hist ology ultimately revealed a high-grade non-Hodgkin's T-cell lymphoma.