Case Report
A Liver Transplant for Local Control in a Pediatric Patient with Metastatic TFE3-Associated Perivascular Epithelioid Cell Tumor (PEComa) to the Liver
Figure 2
(a) The histologic features of the tumor which were composed of nests and sheets of epithelioid cells with frequent melanin pigmentation separated by thin-walled capillary vessels (predominant alveolar architecture) (hematoxylin and eosin (H&E) staining, magnification ×200). Tumor cells demonstrate immunohistochemical reactivity for (b) TFE3, (c) HMB45, and (d) Melan A (b–d, magnification ×200).
(a) |
(b) |
(c) |
(d) |