PMC5794364_01
Well-demarcated exophytic skin tumor with irregular surface in the right parotideomasseteric region.
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F1
On admission, a well-demarcated exophytic skin tumor with irregular surface without ulceration, measuring 50 x 70 mm (Fig. 1), was observed in the right parotideomasseteric region.
Computed tomography image showing a solid, obscure mass on the skin in the right parotideomasseteric region (arrowhead).
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F2
Diagnosis of potential lymphoma infiltration was further performed with computed tomography (CT) scans of the chest, abdominal cavity, and neck and detailed assessment of the nasopharynx (Fig. 2).
(A and B) Gradual tumor regression during chemotherapy.
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F3
During chemotherapy, gradual tumor regression was observed (Fig. 3A and B), and 1 year after the first cycle of chemotherapy, complete remission was achieved.
(A and B) Five years after chemotherapy, no recurrence was observed.
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F4
At 5 years after the end of treatment, no recurrent lymphoma was evident (Fig. 4A and B).