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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.
Lymphangioma circumscriptum, a microcystic lymphatic malformation, resembles clusters of small blisters ranging in color from pink to dark red. [5] They are benign and do not require medical treatment, although some patients may choose to have them surgically removed for cosmetic reasons.
Lymphohemangioma is a disease characterized by swelling of the lymph nodes and blood vessels.It is variously described as a "mixture of clear fluid and blood-filled cysts", [citation needed] a mass of abnormal swollen veins and lymph nodes, or a tumorous growth of lymph and blood vessels.
Infantile hemangioma is the most common vascular tumor. It is a benign tumor, which occurs in 4-5% of Caucasian infants, but rarely in dark skinned infants. [6] It occurs in 20% of low weight premature infants and 2.2 to 4.5 times more frequently in females. [7]
An infantile hemangioma, also called a strawberry angioma, on a child's arm. Angiomas usually appear at or near the surface of the skin anywhere on the body, and may be considered bothersome depending on their location. However, they may be present as symptoms of another more serious disorder, such as cirrhosis. When they are removed, it is ...
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]
Lymphangioma circumscriptum is characterized by a rash on the skin featuring clear vesicles. The rash may be painful and is sometimes itchy. The vesicles often leak lymph and may bleed. The rash may appear similar to warts if the vesicles frequently break open.
Benign tumors of bone can be similar macroscopically and require a combination of a clinical history with cytogenetic, molecular, and radiologic tests for diagnosis. [23] Three common forms of benign bone tumors with are giant cell tumor of bone, osteochondroma, and enchondroma; other forms of benign bone tumors exist but may be less prevalent.