Intense 18F-FDG activity in aortoiliac bypass graft mimicking infection

Intense 18F-FDG activity in aortoiliac bypass graft mimicking infection AbstractRationale:18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has the potential to become an important imaging tool for the diagnosis of suspected aortoiliac bypass graft infection (AGI).Patient concerns:A 76-year-old man presented with incidental findings of intense 18F-FDG activity in previous operation site of aortobiiliac bypass graft in the initial staging of small cell lung cancer (SCLC).Diagnoses:Based on 18F-FDG PET/CT examination, preliminary differential diagnosis was AGI.Interventions:We performed laboratory tests and 67Galliun-citrate (67Ga) single photon emission computed tomography/computed tomography (SPECT/CT).Outcomes:He had no constitutional symptoms and abnormal laboratory test results suggesting AGI. CT scan of the abdomen and pelvis showed no abnormal findings. Also, 67Ga planar scintigraphy and SPECT/CT imaging of the abdomen and pelvis failed to show abnormal 67Ga uptake in the same site of aortobiiliac bypass graft with 18F-FDG uptake.Lessons:We present a case with postoperative inflammatory aortobiiliac bypass graft which was misdiagnosed as AGI based on intense 18F-FDG activity seen at PET/CT imaging. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Medicine Wolters Kluwer Health

Intense 18F-FDG activity in aortoiliac bypass graft mimicking infection

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Publisher
Wolters Kluwer Health
Copyright
Copyright © 2018 the Author(s). Published by Wolters Kluwer Health, Inc.
ISSN
0025-7974
eISSN
1536-5964
D.O.I.
10.1097/MD.0000000000009876
Publisher site
See Article on Publisher Site

Abstract

AbstractRationale:18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has the potential to become an important imaging tool for the diagnosis of suspected aortoiliac bypass graft infection (AGI).Patient concerns:A 76-year-old man presented with incidental findings of intense 18F-FDG activity in previous operation site of aortobiiliac bypass graft in the initial staging of small cell lung cancer (SCLC).Diagnoses:Based on 18F-FDG PET/CT examination, preliminary differential diagnosis was AGI.Interventions:We performed laboratory tests and 67Galliun-citrate (67Ga) single photon emission computed tomography/computed tomography (SPECT/CT).Outcomes:He had no constitutional symptoms and abnormal laboratory test results suggesting AGI. CT scan of the abdomen and pelvis showed no abnormal findings. Also, 67Ga planar scintigraphy and SPECT/CT imaging of the abdomen and pelvis failed to show abnormal 67Ga uptake in the same site of aortobiiliac bypass graft with 18F-FDG uptake.Lessons:We present a case with postoperative inflammatory aortobiiliac bypass graft which was misdiagnosed as AGI based on intense 18F-FDG activity seen at PET/CT imaging.

Journal

MedicineWolters Kluwer Health

Published: Feb 1, 2018

References

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