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Hemangioma

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  • Hemangioma

    Hemangioma originally described any vascular tumor-like structure, whether it was present at or around birth or appeared later in life. Mulliken et al. categorized these conditions into two families: one of self-involuting tumors, growing lesions that eventually disappear, and another of malformations, enlarged or abnormal vessels present at birth and essentially permanent. The importance of this distinction is that it makes it possible for early-in-life differentiation between lesions that will resolve versus those that are permanent.

  • Hemangioma

    Signs and symptoms : If they are on the surface of the skin, they are reminiscent of a ripe strawberry (hence, they are sometimes referred to as "strawberry hemangiomas"). If they are just under the skin they present as a bluish swelling. Sometimes they grow in internal organs such as the liver, larynx, or small and large intestines.In most cases, hemangiomas will disappear over time. Some are formed during gestation and are called congenital hemangiomas; the most common (infantile hemangiomas) appear during the first few weeks of life.

  • Hemangioma

    Causes : The cause of hemangioma is currently unknown; however, several studies have suggested the importance of estrogen signaling in hemangioma proliferation. In 2007, a paper from the Stanford Children's Surgical Laboratory revealed that localized soft tissue hypoxia coupled with increased circulating estrogen after birth may be the stimulus.

  • Statistics: True incidence of cavernous hemagiomas are difficult to estimate because they are frequently misdiagnosed as other venous malformations.[7] Cavernous hemangiomas of the brain and spinal cord can appear at all ages but usually occur in the third to fourth decade of a person's life with no sexual preference. In fact, CCM is present in 0.5% of the population. However, approximately 40% of those with malformations have symptoms. Asymptomatic individuals are usually individuals that developed the malformation sporadically, while symptomatic individuals usually have inherited the genetic mutation.The majority of diagnoses of CCM are in adults; however, 25% of cases of CCM are children..Approximately 5% of adults have liver hemangiomas in the United States, but most are asymptomatic. Liver hemangiomas usually occur between the ages of 30-50 and more commonly in women.

 

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