FDG Uptake in Sacroiliac Joint Due to Osteitis Condensans Ilii Shown on PET/CT in a Patient With Breast Cancer: The Value of Coregistered CT in Avoiding Misinterpretation

A 56-year-old woman with breast cancer underwent FDG PET/CT at follow-up. The PET images showed increased FDG uptake along right sacroiliac joint. The coregistered CT images showed diffuse sclerosis around the sacroiliac joints, but no bony destruction, periarticular erosion, or joint space narrowin...

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Bibliographic Details
Published in:Clinical nuclear medicine 2012-05, Vol.37 (5), p.e121-e123
Main Authors: Lee, Yang-Cheng, Chen, Kuan-Yung, Chiu, Jainn-Shiun, Kao, Chia-Hung, Hung, Guang-Uei
Format: Article
Language:English
Subjects:
Breast Neoplasms - complications
Diagnostic Errors
Female
Fluorodeoxyglucose F18
Humans
Image Processing, Computer-Assisted
Middle Aged
Multimodal Imaging
Osteitis - complications
Osteitis - diagnostic imaging
Positron-Emission Tomography
Sacroiliac Joint - diagnostic imaging
Tomography, X-Ray Computed
Citations: Items that this one cites
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Summary:A 56-year-old woman with breast cancer underwent FDG PET/CT at follow-up. The PET images showed increased FDG uptake along right sacroiliac joint. The coregistered CT images showed diffuse sclerosis around the sacroiliac joints, but no bony destruction, periarticular erosion, or joint space narrowing. She had been complaining of intermittent lower back pain since her last pregnancy. The radiologic pictures and history of postpartum back pain were considered as typical characteristics for osteitis condensans ilii. This case reminds us that careful inspection of the coregistered CT images is important to avoid potential misinterpretation because of osteitis condensans ilii.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0b013e31824c5d60