Abstract
The authors quantitatively evaluated possible distortions of tumor size and shape introduced on non-attenuation-corrected 2-[fluorine-18] fluoro-2- deoxy-D-glucose (FDG) positron emission tomography (PET) scans obtained in primary lung cancer tumors. Primary lung cancer tumors in 21 patients were measured on x-ray computed tomography (CT), attenuation-corrected FDG PET, and non-attenuation-corrected FDG PET scans. Apparent anteroposterior tumor dimensions on non-attenuation-corrected FDG PET scans were significantly larger (P = .0007; mean difference, 30%) than on attenuation-corrected FDG PET or CT scans (P = .05; mean difference, 28%). Left-to-right tumor dimensions on non-attenuation-corrected FDG PET scans were significantly smaller than on attenuation-corrected FDG PET scans (P = .03; mean difference, 8.5%) but were not significantly different from those on CT scans (P = .3).
| Original language | English (US) |
|---|---|
| Pages (from-to) | 873-876 |
| Number of pages | 4 |
| Journal | Radiology |
| Volume | 201 |
| Issue number | 3 |
| Publication status | Published - Dec 1996 |
| Externally published | Yes |
Fingerprint
Keywords
- comparative studies
- Compared tomography (CT), comparative studies
- Emission CT (ECT)
- Lung neoplasms, CT
- Lung neoplasms, emission CT Lung neoplasms, staging
ASJC Scopus subject areas
- Radiological and Ultrasound Technology