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A. Cystic change in a case of monophasic synovial sarcoma exhibiting diffuse TLE1 expression. DAB × 40. Inset: Higher magnification showing intense TLE1 positivity within tumour cells arranged in hemangiopericytomatous pattern. DAB × 200. B. Intense TLE1 positivity in a case of biphasic synovial sarcoma. The glandular and spindly components display similar intensity of TLE1 expression. DAB × 200.
