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Gallium-67 and Subphrenic Abscesses—Is Delayed Scintigraphy Necessary?

Scripps Memorial Hospital, La Jolla California

Correspondence: For reprints contact: G. Bruce Hopkins, Nuclear Medicine, Dept. of Pathology, Scripps Memorial Hospital, La Jolla, Calif. 92037.

ABSTRACT

Forty postoperative patients with clinical and roentgenographic findings suggestive of subphrenic abscess were evaluated by early and delayed ⁶⁷Ga scintigraphy. Early ⁶⁷Ga scintigraphs obtained 6 hr after injection correctly localized seven right and five left subphrenic abscesses. In no instance was an abscess present on delayed scintigraphs that was not evident on the 6-hr study. Two patients with left subphrenic abscess had false-negative results on both early and delayed scintigraphy. No false-positive studies were recorded. Early ⁶⁷Ga scintigraphy can be a valuable noninvasive adjunct in the diagnosis of subphrenic abscess.