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PET findings in pulmonary dirofilariasis.
William Moore1, Dinko Franceschi
1Division of Nuclear Medicine, Department of the Radiology Health Sciences Center, Level 4 Room 120, Stony Brook University, University Medical Center, Stony Brook, NY 11794-8460, USA.
Journal of Thoracic Imaging
|November 12, 2005
Summary
Pulmonary dirofilariasis can cause lung nodules that show increased activity on PET scans. This finding is similar to infectious causes, highlighting dirofilariasis as a potential cause of positive PET scans in the lungs.
Area of Science:
- Medical imaging
- Parasitology
- Pulmonary medicine
Background:
- Pulmonary nodules are common findings on medical imaging.
- Dirofilariasis is a parasitic infection that can affect the lungs.
- Positron Emission Tomography (PET) is used to detect metabolic activity.
Observation:
- A case of pulmonary dirofilariasis presented with a round infarct.
- This pulmonary lesion demonstrated significant hypermetabolic activity on PET imaging.
Findings:
- Pulmonary dirofilariasis can manifest as a PET-positive pulmonary nodule.
- The observed hypermetabolism is comparable to that seen in infectious etiologies of pulmonary nodules.
Implications:
- PET imaging findings in pulmonary dirofilariasis can mimic infectious processes.
- Considering dirofilariasis in the differential diagnosis of PET-positive pulmonary nodules is important.
- This case expands the understanding of imaging characteristics for pulmonary parasitic infections.