Bleeding may also occur from the gastrointestinal tract and kidneys. Infection by the meningococcus organism causes damage to the blood vessels with subsequent clotting within the vessels. This causes loss of blood flow to tissue, which results in discoloration and tissue death. Hemangiomas are tumors made-up of dilated blood vessels that usually appear shortly after birth, although they may be present at birth. Hemangiomas on the face can be disfiguring and may interfere with visual development or cause obstruction of the airway.
Involution is the process where a hemangioma begins to lighten and become less prominent.
Henoch-Schonlein purpura is more commonly seen in children than adults and often occurs after an upper respiratory infection. Bleeding may also occur from the gastrointestinal tract and kidneys. Henoch-Schonlein purpura is more commonly seen in children than adults and often occurs after an upper respiratory infection. Bleeding may also occur from the gastrointestinal tract and kidneys. Henoch-Schonlein purpura is more commonly seen in children than adults and often occurs after an upper respiratory infection.