Solitary plasmacytoma
Diagnosis almost certain
Disclosures
- updated 11 May 2022:
Nothing to disclose
Updates to Case Attributes
Age
changed from 50 to 50 years.
Body
was changed:
Although many vertebral lesions show low signal on t1 with high signal on t2 the "mini brain" sign is considered to be fairly characterestic of a solitary plasmacytoma.
Some authors consider it typical enough to forego a biopsy and start treatment1.
-<p>Although many vertebral lesions show low signal on t1 with high signal on t2 the "<a href="/articles/mini-brain" title="mini brain">mini brain</a>" sign is considered to be fairly characterestic of a <a href="/articles/solitary-bone-plasmacytoma-1" title="Solitary bone plasmacytoma (SBP)">solitary plasmacytoma</a>.</p><p>Some authors consider it typical enough to forego a biopsy and start treatment.</p>- +<p>Although many vertebral lesions show low signal on t1 with high signal on t2 the "<a href="/articles/solitary-bone-plasmacytoma-1" title="Mini brain sign">mini brain</a>" sign is considered to be fairly characterestic of a <a href="/articles/solitary-bone-plasmacytoma-1" title="Solitary bone plasmacytoma (SBP)">solitary plasmacytoma</a>. Some authors consider it typical enough to forego a biopsy and start treatment <sup>1</sup>.</p>
References changed:
- 1. Major NM, Helms CA, Richardson WJ. The "mini brain": plasmacytoma in a vertebral body on MR imaging. AJR Am J Roentgenol. 2000;175 (1): 261-3. AJR Am J Roentgenol.
- Major NM, Helms CA, Richardson WJ. The "mini brain": plasmacytoma in a vertebral body on MR imaging. AJR Am J Roentgenol. 2000;175 (1): 261-3. AJR Am J Roentgenol (citation) - Pubmed citation
Systems changed:
- Spine
Updates to Study Attributes
Caption
was changed:
Findings
was changed:
A correlation CT was performed. There is an expansile soft tissue lesion involving only the L1 vertebra. Prominent residual thickened trabeculae are seen giving a "MINI BRAIN"mini brain" appearance.
Images Changes:
Image CT (bone window) ( update )
Perspective
was set to
Axial.
Specifics
changed from non-contrast to bone window.
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