Case Report
A Rare Case of Metastatic Choriocarcinoma of Lung Origin
Figure 2
Brain biopsy. (a) Histologic examination of the biopsy reveals a sheet of syncytiotrophoblastic cells characterized by multilobulated to multinucleated and spindle shaped cells with a moderate amount of eosinophilic cytoplasm (H&E ×20). (b) Immunohistochemical stain for beta-hCG shows moderate to strong cytoplasmic staining of the syncytiotrophoblastic cells (×20).
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