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Cavernous hemangiomas (also called angioma cavernosum or cavernoma) aresimilar to strawberry hemangiomas but are more deeply situated. They may appearas a red-blue spongy mass of tissue filled with blood. Some of these lesionsmay disappear on their own -- usually as a child approaches school age.
In most cases, a health professional can diagnose a red birthmark based onthe appearance of the skin. Deeper birthmarks can be confirmed with tests suchas MRI, ultrasound, CT scans or biopsies.Readmore about red birthmarks.
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