Clinical Presentation

A 77-year-old woman on peritoneal dialysis has fever and abdominal pain.

Fig. 112.1 Whole-body 4-hour planar image, anterior and posterior projections, ^99mTc-WBCs.

Fig. 112.2 Whole-body 24-hour planar image, anterior and posterior projections, ^99mTc-WBCs.

Fig. 112.3 abdominal 24-hour sPeCT, coronal projection, ^99mTc-WBCs.

Technique

• A 20 mCi dose of white blood cells labeled with ^99mTc-WBCs is injected intravenously.

• Whole-body planar imaging in anterior and posterior projections at 4 hours and 24 hours

• Abdominal SPECT at 24 hours

• Dual-detector gamma camera

• Low-energy, high-resolution collimators

• Energy peak of 140 keV

Image Interpretation