case_images: PMC9527851_01
case_images: (a and b) Preoperative photograph
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case_images: The swelling was spherical in shape with ill defined margins and indistinct edges [Figure 1a and b].
case_images: FNAC smear. FNAC: Fine-needle aspiration cytology
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case_images: A fine-needle aspiration biopsy was performed which revealed the presence of small, uniform basophilic cells with round nuclei and scanty cytoplasm [Figure 2].
case_images: (a and b) Preoperative radiograph
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case_images: Contrast-enhanced computed tomography revealed a well-defined expansile osteolytic lesion measuring 4 cm x 3 cm x 3 cm in the right maxillary alveolar ridge region and anterior part of the hard palate, crossing the midline [Figure 3a and b].
case_images: (a and b) Intraoperative photograph of the lesion, (c) Excisional biopsy specimen
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case_images: The tumour was resected along with the embedded tooth germs [Figure 4a-c].
case_images: Postoperative photograph (12-month follow-up)
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case_images: The patient was reviewed at intervals of 1, 2, 3, 6, and 12 months postoperatively, where she showed satisfactory healing and no signs of recurrence [Figures 5-7].
case_images: Postoperative radiograph (12-month follow-up)
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case_images: The patient was reviewed at intervals of 1, 2, 3, 6, and 12 months postoperatively, where she showed satisfactory healing and no signs of recurrence [Figures 5-7].
case_images: Postoperative radiograph with good healing and no recurrence
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case_images: The patient was reviewed at intervals of 1, 2, 3, 6, and 12 months postoperatively, where she showed satisfactory healing and no signs of recurrence [Figures 5-7].
case_images: Histological picture
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case_images: Vimentin and neuron-specific enolase (NSE) stains were positive in both epithelioid and small round blue cells whereas synaptophysin stain was positive only in small round blue cells, therefore, both histological and immunochemistry studies confirmed a diagnosis of MNTI [Figure 8].