Comments:
Lymphangiomas may consist of small and large communicating cysts (cystic lymphangioma) or sponge-like areas composed of small cavernous spaces (cavernous lymphangioma). Subclassification into capillary, cavernous or cystic types based on the vessel size is of no clinical significance and is no longer recommended. The image shows lymphatic spaces lined by attenuated endothelium. The cyst walls contain lymphoid aggregates.
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