case_images: PMC11791272_01
case_images: Swelling of the left hemiface.
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case_images: Extra-oral clinical examination revealed significant swelling of the left hemiface, which was not painful (Fig. 2).
case_images: (A) Intraoral view of the lesion; (B) Needle aspiration of the lesion, sent by thin prep technique; (C) Lesion detail.
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case_images: Intraoral clinical examination confirmed the presence of swelling in the left mandible, at the level of the mandibular angle in the retromolar trigone area, which was non-ulcerated and completely enclosed within the epithelium, in the absence of pain, neither spontaneous nor provoked, and had a hard-elastic consistency and bluish in color (Fig. 3A). Under local anesthesia, a needle aspiration biopsy of the lesion was performed, from which mainly sero-ematic material was obtained and submitted for thin-prep technique (Fig. 3B), followed by intralesional sampling of gelatinous and loose tissue (Fig. 3C).
case_images: (A) OPT: Large osteolytic area of left mandible is detected; (B) TC dentascan sections.
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case_images: The first-level radiographic examination (Orthopantomography of the dental arches, Fig. 4A) showed a large area of radiolucency in the left mandibular angle. Therefore, a CT dentascan radiographic examination was requested (Fig. 4B and C), which revealed a large osteolytic area of the left mandible in the posterior region.
case_images: Hematoxylin and eosin staining. A) 10x; B) 20x; C) 20x.
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case_images: The histological examination revealed a solid astructure neoplasm consisting of epithelial elements with moderate-grade atypia and the presence of mitoses with also some images of atypical mitoses (Fig. 5A, B and C).
case_images: (D) Intraoral view of oral mucositis after radiotherapy; (E) The persisting mucosal fistula after chemotherapy, showing the reduction of the metastasis.
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case_images: Department, where a treatment plan based on Radiotherapy was scheduled. Despite the rapid onset of radiotherapy, it did not appear to have a significant impact on the lesion, causing an important oral mucositis (Fig. 6D).
case_images: PRISMA for scoping review flow diagram.
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case_images: After the selection process, only 1 article reported an oral metastasis of thymic tumors (Fig. 7).