Epithelioid haemangioendothelioma of the lung: one case report with positive pulmonary hilar lymph nodes
2009
Pulmonary epithelioid hemangioendothelioma (PEH) is a rare tumor that occurs among young women and typically presents as bilateral multiple nodules. In this report, we described an unusual case of PEH presented as a single mass in a 46-year-old man, with 6 positive pulmonary hilar lymph nodes. Histologic findings were compared with conventional PEH, except those features such as round to oval-shaped nodules, hypocellular/cellular peripheral zone, hyaline, myxomatous intercellular stroma and intracellular vacuoles, and we found the patient’s pulmonary hilar lymph nodes were metastasis and cholesterol crystal were discovered in the focal infarction areas. Immunohistochemically, the tumor cells were strong positive for CD34, CD31, factor VIII related endothelial antigen and vimentin. The patient died 3 and half months after the surgery without receiving any radiotherapy or chemotherapy. This report may contribute to the data on clinical and histological finding of this rare tumour.
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