Fig 1 A: Transthoracic echocardiography showed a mass on the
tricuspid ventricular surface, which protruded into the pulmonary valve
during systole and many neoplasms attached to the tricuspid valve and
its chordae tendineae(B ). C: Intraoperative resection
of the masses.D: Pathological section indicated neoplastic
lesion, which was considered as carcinoma.E: Immunohistochemical
diagnosis was squamous cell carcinoma.F: PET-CT revealed
increased glucose metabolism in the lymph nodes on the left side of the
abdominal aorta and behind the foot of the left diaphragm.
CK8/18:cytokeratin8/18,Ki67:Tumor proliferative antigen, P63,P16: tumor
suppressor gene,CK5/6: cytokeratin5/6,PCK:Pan Cytokeratin.