March 2013 Radiology Case of the Month

48-year-old male with low back pain and right leg pain

STIR

T2-2

Regarding the lesion in the L4 vertebral body, what are its signal characteristics?

hypointense on T1, hypointense on T2
hyperintense on T1, hyperintense on T2
hypointense on T1, hyperintense on T2
hyperintense on T1, hypointense on T2

These signal characteristics are consistent with which type of tissue?

Fluid
Air
Malignant tumor
Fat

What is the diagnosis?

Metastatic tumor
Metallic implant
Intraosseous hemangioma
Solitary plasmacytoma

The lesion disappears on the STIR image because?

It contains fat
It is an artifact
It is a malignant lesion
It contains fluid

Answers, Findings and Discussion

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