Focal and Diffuse FDG Uptake Patterns of Endotracheal Lymphoma

ABSTRACTEndotracheal infiltration by lymphoma is uncommon. We present 2 cases of endotracheal infiltration by non-Hodgkin lymphoma. One case had a solitary lesion in the middle trachea. Bronchoscopic biopsy of the lesion revealed diffuse large B-cell lymphoma. The tumor showed focal FDG uptake with...

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Bibliographic Details
Published in:Clinical nuclear medicine 2014-08, Vol.39 (8), p.731-735
Main Authors: Dong, Aisheng, Zhao, Tiejun, Wang, Yang, Zuo, Changjing
Format: Article
Language:English
Subjects:
Adult
Female
Fluorodeoxyglucose F18
Humans
Leukemic Infiltration - diagnostic imaging
Leukemic Infiltration - pathology
Lymphoma, Non-Hodgkin - diagnostic imaging
Lymphoma, Non-Hodgkin - pathology
Male
Middle Aged
Positron-Emission Tomography
Radiopharmaceuticals
Trachea - diagnostic imaging
Trachea - pathology
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Summary:ABSTRACTEndotracheal infiltration by lymphoma is uncommon. We present 2 cases of endotracheal infiltration by non-Hodgkin lymphoma. One case had a solitary lesion in the middle trachea. Bronchoscopic biopsy of the lesion revealed diffuse large B-cell lymphoma. The tumor showed focal FDG uptake with SUVmax of 15. The other case had diffuse endotracheal lesions. Bronchoscopic biopsy revealed diffuse submucosal infiltration by natural killer/T-cell lymphoma. The thickened trachea showed diffuse FDG uptake with SUVmax of 8.4. These 2 cases indicate lymphoma should be included in the differential diagnosis of focal or diffuse endotracheal FDG accumulation.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0000000000000228