Synovial sarcoma of the floor of the mouth: a rare case report

Figures

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  Fig. 1. The tumor was located on the right floor of mouth and ventral part of tongue, with bleeding and necrosis on the surface. Due to poor hygiene conditions in the mouth of the patient, there are food residues, etc., and the surface of the tumor is white. The black part is the tumor tissue of ischemic necrosis. Extra oral examination revealed limited mouth opening that was about 1.5 cm

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  Fig. 2. CT examination of different sections of the patient. a-c There is a clear mass on the right root of tongue and floor of mouth with scattered calcification and liquefaction necrosis

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  Fig. 3. The hematoxylin and eosin (HE)-stained section revealed the tumor composed of spindle cells with a higher proportion of nuclei. HE. × 20

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  Fig. 4. Resection the total tongue and right mandibular

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  Fig. 5. The left thigh anterolateral musculocutaneous flap with some fascia and muscle

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  Fig. 6. Instant reconstruction of the floor of mouth defect with left thigh anterolateral musculocutaneous flap

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  Fig. 7. The central part of tumor that was removed showed liquefaction necrosis with some dark brown liquid