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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: Pediatric malignant pheochromocytoma with atypical presentation as vision changes, lung metastasis, and recurrence: a case report

Fig. 2

Tumor bigger than 6 cm in diameter with capsular invasion and extra-adrenal involvement, as seen by naked eye. By microscopy, large cell nests, increased cell density, spindle cells, tumor nuclear pleomorphism, and megakaryosis were found in A (hematoxylin and eosin, magnification, ×400). CgA (B), Syn (C), CD56 (D), S-100 (E), Ki67 (F), CD34 (G) antibody immunohistochemical showed positive reactivity in the tumor tissue; the positive rate of Ki67 staining was 2–10%; CD68 (H) antibody immunohistochemistry was positive in the lung tissue; magnification ×400

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Journal of Medical Case Reports

ISSN: 1752-1947