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Gallium-67 Imaging in Muscular Sarcoidosis

Höpital de Pontchaillou, and G.B.M. Facuté de Médecine Rennes, France

Correspondence: For reprints contact: Professeur J. Y. Herry, Laboratoire de Médecine Nucléaire, Centre Eugéne Marquis—Hópital de Pontchaillou; 35011 Rennes, France.

ABSTRACT

A case is presented of sarcoid myopathy in which radiogallium was seen to accumulate in the sites of muscle involvement. Uptake of the radiotracer disappeared following institution of corticosteroid therapy. The exceptional nature of this case contrasts with the high frequency of biopsy evidence of sarcoid muscle disease but is consistent with the rarity of clinical evidence of sarcoid granulomas in muscle. Gallium-67 imaging can be used to determined in the extent of muscle involvement and, through evaluation of uptake intensity, the degree of disease activity before and after treatment.