PMC3396871_01
MRI showed a raised mass in the base of the tongue which filled and reduced the light of the oropharynx and the left vallecula
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A Magnetic Resonance Imaging(MRI) revealed a raised mass (3.4cm x 1.6cm x 3.6cm) in the base of the tongue which filled and reduced the light of the oropharynx and the left vallecula (Figure 1).
Histological examination shows the presence of diffuse large B cell lymphoma centroblastic variant (HE x 200)
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Biopsy of the lesion on histopathological examination demonstrated diffuse infiltration by B cell lymphoma centroblastic variant (Figure 2).
Immunohistochemical testing showed the large tumor cells express CD 20
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The cytoplasm was scanty and amphophilic to basophilic (Figure 3).