Scintigraphic signs and pitfalls in lower gastrointestinal hemorrhage: the continued necessity of angiography.

Dorfman GS, Cronan JJ, Staudinger KM.
Department of Radiology, Rhode Island Hospital, Providence 02902.

Radiographics. 1987 May;7(3):543-62

Scintigraphy is useful in directing the angiographer to the source of bleeding and, if negative, in precluding emergency angiography, but it is not specific enough to supplant angiography totally.

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