Image 68 of 94



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In some cases of alveolar rhabdomyosarcoma, there is extensive necrosis and degeneration within the cellular nests leading to near total absence of viable cells. It leaves behind a sieve-like network of hyalinized fibrous trabeculae with vascular cores. The trabeculae are lined by a single layer of tumor cells and surrounded by necrotic cellular debris.

Image 68 of 94