PMC3573799_01
CT scan.
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PMC3573799_01_cro-0006-0045-g01.jpg
F1
CT scan was performed and showed pansinusitis with an abscess breaking through the transethmoidal sinus and causing proptosis (fig. 1). Conservative treatment failed and surgical drainage was undertaken.
Microscopic view: CD30-positive cells.
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PMC3573799_01_cro-0006-0045-g02.jpg
F2
Surprisingly, the histological diagnosis was a second tumor, a high-grade B-cell lymphoma, as seen in immunodeficient patients (fig. 2).