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Figure 2 | Diagnostic Pathology

Figure 2

From: Pigmented paraganglioma of the kidney: a case report

Figure 2

The tumor cells are arranged in Zellballen pattern and have clear to finely granular cytoplasm (A, x 100; B, x 400). Gamna-Gandy bodies are present (C, x 400, arrows). Abundant pigment granules are visible within the tumor cells (D, x 400). Note the coarse hemosiderin deposition (asterisks) and the finely granular pigment in the cytoplasm (arrows).

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