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Eosinophilic vacuolated tumour (EVT). (A) EVT is a circumscribed, but unenecapsulated eosinophilic tumour, with thick-walled vessels at the periphery. (B-C) Cells show large intracytoplasmic vacuoles and round to oval nuclei with prominent nucleoli. (D) Positive immunoreactivity to cathepsin K is present.
