What Are Hemangiomas?

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By elizabeth
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Reviewed: dr. vanta
Article Sources Article Sources
  • 1. Freelove, DDS, Cameron. 'Hemangioma.' Center for Craniofacial Molecular Biology, USC, Herman Ostrow School of Dentistry of USC, Nov. 2017, ccmb.usc.edu/files/2017/11/StudentLectures7-11.pdf.
  • 2. Mulliken, MD, John B., and Odile Enjolras. 'Congenital Hemangiomas and Infantile Hemangioma: Missing Links.' Molecular and Cellular Mechanisms of Vascular Anomalies, Harvard School of Dental Medicine, June 2004, vascularanomalies.hsdm.harvard.edu/Publications/Mulliken8.pdf.
  • 3. Tafti, Dawood, and Nathan D. Cecava. 'Spinal Hemangioma.' National Center for Biotechnology Information, U.S. National Library of Medicine, 8 Aug. 2020, www.ncbi.nlm.nih.gov/books/NBK532997.
  • 4. 'Hemangiopericytoma.' Genetic and Rare Diseases Information Center, U.S. Department of Health and Human Services, rarediseases.info.nih.gov/diseases/2627/hemangiopericytoma.
  • 5. 'Hemangioblastoma.' NIH GARD, U.S. Department of Health & Human Services, rarediseases.info.nih.gov/diseases/8232/hemangioblastoma.
  • 6. John H. Greinwald Jr, MD. 'An Update on the Treatment of Hemangiomas in Children With Interferon Alfa-2a.' Archives of Otolaryngology–Head & Neck Surgery, JAMA Network, 1 Jan. 1999, jamanetwork.com/journals/jamaotolaryngology/fullarticle/508995.
Medical Expert Medical Expert

Vascular anomalies are often blood vessel growths. Most people refer to visible vascular anomalies as birthmarks. Doctors categorize these anomalies as either vascular tumors or vascular malformations. The most well-known type of vascular tumor is the hemangioma, a tumor composed of blood vessels.

Most people are familiar with the form of hemangiomas that appear on an infant soon after birth. Approximately 5 to 10 percent of infants have one.1Freelove, DDS, Cameron. ‘Hemangioma.’ Center for Craniofacial Molecular Biology, USC, Herman Ostrow School of Dentistry of USC, Nov. 2017, ccmb.usc.edu/files/2017/11/StudentLectures7-11.pdf. Hemangiomas are benign, which means non-cancerous, and they may appear anywhere on the body, including the skin and organs. Though they aren’t cancerous, sometimes their location can cause dangerous complications.

1. Hemangiomas

Hemangiomas in infants may present as a mass of blood vessels on the surface of the skin, in the fat beneath the skin, or as a combination of both. Most of them get larger and puffier during the first year. Then they eventually shrivel and fade away. However, when their placement impacts breathing or vision, medical intervention may be required.

Cherry hemangiomas are found on the skin of adults as tiny red-purple bumps. They usually require no treatment. Internal hemangiomas are also benign. But treatment may be necessary if their location causes pain, bleeding, or other dangerous symptoms.

hemangiomas

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