Abstract
One fourth of cases of non-Hodgkin lymphoma were reported as extranodal type and skeletal muscle involvement rarely seen as a primary event and local dissemination. The psoas involved lesion with spine mimicking pain is caused mainly by infection rather than non-infected conditions such as tumor. We report on a rare case of non-Hodgkin lymphoma occurring in psoas muscle, which required differentiation from a psoas abscess.
Figures and Tables
Figure 1
Preoperative magnetic resonance imaging findings. (A) Herniated nucleus pulposus of T12-L1 in sagittal view. (B) Axial view of T12-L1: Right dominant central protruding disc.
![jkoa-48-486-g001](/upload/SynapseData/ArticleImage/0043jkoa/jkoa-48-486-g001.jpg)
Figure 2
Preoperative magnetic resonance imaging findings. (A) Irregular heterogenous mass in right psoas muscle region in axial view. (B) Peripheral enhancing mass that invades right psoas muscle.
![jkoa-48-486-g002](/upload/SynapseData/ArticleImage/0043jkoa/jkoa-48-486-g002.jpg)
Figure 3
Preoperative positron emission tomography findings. (A) Peripheral fluorodeoxyglucose (FDG) uptake along the right psoas muscle in coronal view. (B) Central necrosis and peripheral strong FDG uptake in right psoas muscle in axial view.
![jkoa-48-486-g003](/upload/SynapseData/ArticleImage/0043jkoa/jkoa-48-486-g003.jpg)
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