Note the dark and light mesenchyme that is covered by undifferentiated epithelium forming glands and papillae. M = mesenchyme, P = papilla, G = gland
Histologic Changes
Another pattern seen in small areas of the tumor consists of mesenchyme, papillae, and glands that resemble embryonic structures.
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Note the dark and light mesenchyme that is covered by undifferentiated epithelium forming glands and papillae. M = mesenchyme, P = papilla, G = gland | ||||||
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At higher magnification, the epithelial cells (right) have vesicular nuclei with prominent nucleoli. The underlying stroma is focally condensed and contains two glands (center and left). | ||||||
Clinical summary
Image 3