PMC7790584_01
Large asymptomatic swelling at posterolateral aspect of right side of tongue.
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On examination, there was an oval swelling at the right side of base of the tongue measuring about 4 cm x 3 cm (Figure 1).
Axial T1 and T2 and sagittal T1-weighted magnetic resonance image showing a well-defined mass centered right to the midline in the base of the tongue. The tumor has a smooth well-defined border, with no invasion.
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MRI of the tongue manifested hyperintense well-circumscribed soft tissue mass in the right half of the base of the tongue on T1/T2-weighted image (Figure 2).
FNAC: fragment-of-spindle-cells.
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It was evaluated with FNAC which revealed benign mesenchymal spindle cell neoplasm, suggestive of nerve sheath tumor with possibility of schwannoma (Figure 3).
Tumor is being removed from the base of the tongue.
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After splitting the mucosa, mass is exposed, mobilized by blunt dissection, and excised totally (Figures 4-6).
Surgical field after removal of the tumour.
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After splitting the mucosa, mass is exposed, mobilized by blunt dissection, and excised totally (Figures 4-6).
Excised tumour from the base of the tongue.
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After splitting the mucosa, mass is exposed, mobilized by blunt dissection, and excised totally (Figures 4-6).
Histopathological examination. The lesion is composed of spindled cells with hypercellular Antoni A areas and hypocellular Antoni B areas.
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Histopathological report revealed features of schwannoma (Figure 7).
The patient followed up after 1 (one) year, and there was no recurrence of the disease.
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There was no symptom or sign of recurrence in 12 months postoperative follow-up (Figure 8).