PMC7322102_01
Preoperative CT coronal Cut showed left nasal mass with bony invasion.
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It showed as well severe thinning of the left maxillary sinus wall, nasal septum and inferior left orbital wall with possible dehiscence of the left lamina papyracea, bilateral cribriform plate and medial part of the fovea ethmoidalis with clear nasopharynx (Fig. 1).
(A) Monophasic synovial sarcoma with uniform spindle cells arranged in solid sheets. (B) Perivascular hyalinization and myxoid change. Immunohistochemistry performed on the biopsy shows diffuse staining for (C) EMA and (D) Bcl-2.
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These are alternating with less cellular areas showing myxoid change and perivascular hyalinization (Fig. 2 A&B). The tumor cells are positive for EMA (Fig. 2. C) and Bcl-2 (Fig. 2.
Preoperative MRI T2.
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It was approximately 3 x 2.7 x 3.5 cm in dimension (Fig. 3).
Postoperative CT.
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CT done day one post operation and revealed no intracranial haemorrhage (Fig. 4).
Postoperative and adjuvant radiotherapy, MRI T2.
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