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Clinical Nuclear Medicine:
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Vascular Metastatic Lesion in the Pelvis Mimicking Gastrointestinal Bleeding

KORKMAZ, MELIHA M.D.; KIM, E. EDMUND M.D.; WONG, FRANKLIN C. M.D., PH.D.; PODOLOFF, DONALD A. M.D.

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Abstract

Nuclear venogram of the lower extremity using Tc-99m labeled RBCs was performed in a 62-year-old man with prostate cancer, and suggested active bleeding in the left descending colon and sigmoid. However, the patient had a follow-up bone scan using Tc-99m MDP, which revealed markedly increasing diffuse radioactivity in the left pelvic bone, indicating progressive metastasis. Increasing osteoblastic lesion involving the entire left iliac bone was also found on follow-up CT scan of the pelvis. The patient's low hemoglobin and hematocrit levels were stabilized after transfusion with one pint of blood. However, the patient died 6 months later because of disseminated metastases.

© Lippincott-Raven Publishers

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