Sea urchin stab wound and sea urchin granuloma

The sea urchin belongs to the Phylum echinodermatita, which is usually round or oval, and is enclosed in a close-fitting shell. There are many movable spines on it, which can hurt human skin. There are many types of sea urchins all over the world, especially in tropical and cold waters. Therefore, the damage caused by sea urchin spines is a common occupational injury for coastal fishermen.

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