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Figure 2 | Journal of Medical Case Reports

Figure 2

From: Posterior mediastinal ganglioneuroma with peripheral replacement by white and brown adipocytes resulting in diagnostic fallacy from a false-positive 18F-2-fluoro-2-deoxyglucose-positron emission tomography finding: a case report

Figure 2

Macroscopic and microscopic findings. (A) Macroscopic appearance of the tumor. Yellow fat tissue is mostly present in the periphery. (B) Macroscopic figure of maximal, transverse cut surface of the tumor, which probably corresponds to the sections seen in Figure 1A. Brown fat tissue is indicated by circles. (C) Histology of the central portion of the tumor. Scattered or clustered ganglion cells and stromal tissue can be seen. Bar, 120μm. (D) S100 immunostaining of the central area. Schwann cells and nerve fibers can be observed. Bar, 120 μm. (E) Transitional area between the central and peripheral areas of the tumor. A mixture of myxofibrotic tissue and adipose tissue can be recognized. Bar, 120 μm. (F) High-power magnification of brown adipocytes. Bar, 120 μm. HE, hematoxylin and eosin staining.

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Journal of Medical Case Reports

ISSN: 1752-1947