2019
DOI: 10.1259/bjrcr.20180065
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Solitary bone plasmacytoma: the unusual case of extra-cranial mini brain

Abstract: Solitary plasmacytoma is an uncommon tumor. We present a case in an unusually young patient demonstrating the mini brain sign that has been published in a couple of reports as a diagnostic radiological pattern produced by plasmacytoma. Identification of “mini brain appearance” on imaging can direct the radiologist and clinicians to the diagnosis of plasmacytoma and obviate the necessity of pre-operative biopsy.

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“…Solitary bone plasmacytomas appear as expansile, lytic lesions with marked cortical thinning and expansion. Occasionally, the “mini-brain” appearance may be noted where curvilinear low signal intensity struts may be seen radiating from the lesion ( 90 , 91 ). In advanced stages, it may appear as a “soap-bubble” lesion, with a similar appearance to a giant cell tumor or Brown’s tumor.…”
Section: Other Plasma Cell Dyscrasiasmentioning
confidence: 99%
“…Solitary bone plasmacytomas appear as expansile, lytic lesions with marked cortical thinning and expansion. Occasionally, the “mini-brain” appearance may be noted where curvilinear low signal intensity struts may be seen radiating from the lesion ( 90 , 91 ). In advanced stages, it may appear as a “soap-bubble” lesion, with a similar appearance to a giant cell tumor or Brown’s tumor.…”
Section: Other Plasma Cell Dyscrasiasmentioning
confidence: 99%