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A hemangioma or haemangioma is a usually benign vascular tumor derived from blood vessel cell types. The most common form, seen in infants, is an infantile hemangioma, known colloquially as a "strawberry mark", most commonly presenting on the skin at birth or in the first weeks of life.
Congenital hemangiomas are present and fully formed at birth, [5] and only account for 2% of the hemangiomas. They do not have the postnatal phase of proliferation common to infantile hemangiomas. [6] There are two main variants of congenital hemangioma: non-involuting, and rapidly involuting (beginning in the first year of life). [6]
An infantile hemangioma (IH), sometimes called a strawberry mark due to appearance, is a type of benign vascular tumor or anomaly that affects babies. [1] [2] Other names include capillary hemangioma, [6] "strawberry hemangioma", [7]: 593 strawberry birthmark [8] and strawberry nevus. [6] and formerly known as a cavernous hemangioma.
Congenital hemangioma can be distinguished from infantile hemangioma because it is fully developed at birth. It forms during prenatal life and has reached its maximal size at birth. Congenital hemangioma can even be diagnosed in utero by prenatal ultrasound. Unlike IH, CH is more common in the extremities, has an equal sex distribution, and is ...
Hepatic hemangiomas are the most common site for internal organ damage. Hepatic hemangiomas may be difficult to identify, because it can be inaccurately diagnosed as a hyper-vascular malignancy. These malignancies can live alongside other liver tumors such as hepatic cysts, hepatic angiosarcoma, focal nodular hyperplasia, and a myriad of others.
Benign neonatal hemangiomatosis is a rare skin condition that presents in infancy with multiple benign tumors called infantile hemangiomas, but without hemangiomas in other organs. [ 1 ] See also
Like juvenile hemangiomas, infantile hemangiopericytomas only appear in the subcutis and affect newborns throughout their first year of life. They are characterized by being multilobulated and frequently having separate perivascular and intravascular satellite nodules outside of the main tumor mass. [ 2 ]
The hemangioma growth phase can last anywhere from 6 to 18 months. Then involution, or healing, of the hemangioma begins. Laser and other surgeries can usually make a substantial positive impact on appearance. Long after the hemangioma recedes, any damage it or the other defects caused may remain. Migraines are common, as are developmental delays.