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BIRTHMARKS SYMPTOMS |
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There are no known causes for congenital
skin angiomas; they may be related to an inherited weakness of
vessel walls. Exposure to estrogen causes spider angiomas in
pregnant women or those taking oral contraceptives. Spider angiomas
tend to run in families, and may be associated with liver disease,
sun exposure, and trauma. Hemangiomas Hemangiomas first appear as single or multiple, white or pale pink marks, ranging from 2-20 cm (average 2-5 cm) in size. Some are symptomless while others cause pain or bleeding, or interfere with normal functioning when they are numerous, enlarged, infected, or ulcerated. Vision is affected by large marks on the eyelids. Spider and cherry angiomas are unsightly but symptomless. Each type of hemangioma has a characteristic appearance: Capillary hemangiomas (strawberry marks). These round, raised marks are bright red and bumpy like a strawberry, and become white or gray when fading. Cavernous hemangiomas. These slightly raised, dome-shaped, blue or purple swellings are sometimes associated with lymphangiomas or involve the soft tissues, bone, or digestive tract. Spider angiomas. These are symptomless, reddish blue marks formed from blood-filled capillaries radiating around a central arteriole (small artery) in the shape of a spider web. Cherry angiomas. These harmless, dilated capillaries appear as tiny, bright red-to-violet colored bumps. Lymphangiomas. These dilated lymph vessels form light pink or yellow cysts (fluid- filled sacs) or swellings. Vascular malformations These are faint, flat, pink stains that grow as the child grows into larger dark red or purple marks. Some are symptomless but others bleed if enlarged or injured. Disfiguring port-wine stains can cause emotional and social problems. About 5% of port-wine stains on the forehead and eyelids increase eye pressure due to involvement of the eye and surrounding nerves. Abnormalities of the spinal cord, soft tissues, or bone may be associated with severe port-wine stains. Each type has a characteristic appearance: Salmon patches. These symptomless, light red-to-pink marks usually fade with time. Port-wine stains. These flat, pink marks progress to raised, dark red-to-purple grape-like lumps distorting the facial features, arms, or legs. |
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