A case of septic pulmonary embolism associated with renal abscess mimicking pulmonary metastases of renal malignancy |
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Authors: | Jo Sung Jung Sang Mi Lee Han Jo Kim Si-Hyong Jang Jeong Won Lee |
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Institution: | 1. Department of Radiology, Sooncheonhyang University Cheonan Hospital, Cheonan, Republic of Korea 2. Department of Nuclear Medicine, Sooncheonhyang University Cheonan Hospital, 23-20 Byeongmyeong-dong, Dongnam-gu, Cheonan, Chungcheongnam-do, Republic of Korea 3. Department of Internal Medicine, Sooncheonhyang University Cheonan Hospital, Cheonan, Republic of Korea 4. Department of Pathology, Sooncheonhyang University Cheonan Hospital, Cheonan, Republic of Korea 5. Department of Nuclear Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
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Abstract: | We report the case of a 46-year-old woman with acute febrile symptom who had multiple pulmonary nodules and a renal mass. She underwent 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) to find a hidden malignancy and the cause of her fever. FDG PET/CT images demonstrated a renal mass and multiple lung nodules with intense FDG uptake, which was suspicious of a renal malignancy with multiple pulmonary metastatic lesions. CT-guided biopsies of the pulmonary and renal lesions only showed chronic inflammatory infiltrates without evidence of malignancy. She was diagnosed with septic pulmonary embolism from a renal abscess. One month after antibiotic treatment, the follow-up chest and abdomen CT showed improvement of the lung and renal lesions. This is the first case demonstrating the FDG PET/CT finding of septic pulmonary embolism associated with renal abscess in the published literature. |
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