PMC3325751_01
Typical histological features of malignant renal rhabdoid tumor (Haematoxylin & Eosin x400).
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PMC3325751_01_rt-2012-1-e6-g001.jpg
F1
Histological examination demonstrated tumor cells with diffuse arrangement, containing eccentric nuclei with large cherry-red nucleoli and eosinophilic cytoplasm with paranuclear hyaline inclusions (Figure 1).
PMC3325751_02
Clear spaces between tumor cells and empty nuclei (Haematoxylin & Eosin x400).
rt-2012-1-e6-g002.jpg
PMC3325751_02_rt-2012-1-e6-g002.jpg
F2
BCL2 and negative to ceratins CAM5.2 and AE1/AE3, EMA, NSE, synaptophysin, CD34, CD117, which is compatible with the diagnosis of a clear cell sarcoma of the kidney (Figure 2). Bone scan was negative for bone metastases.