Lymphangioma circumscriptum, a microcystic lymphatic malformation, resembles clusters of small blisters ranging in color from pink to dark red. They are benign and do not require medical treatment, although some patients may choose to have them surgically removed for cosmetic reasons. Cavernous lymphangiomas are generally present at birth, but may appear later in the childs life. These bulging masses occur deep under the skin, typically on the neck, tongue and lips, and vary widely in size, ranging from as small as a centimeter in diameter to several centimeters wide. In some cases, they may affect an entire extremity such as a hand or foot. Although they are usually painless, the patient may feel mild pain when pressure is exerted on the area. They come in the colors white, pink, red, blue, purple, and black; and the pain lessens the lighter the color of the bump. Cystic hygroma shares many commonalities with cavernous lymphangiomas, and some doctors consider them to be too similar to merit separate categories. However, cystic lymphangiomas usually have a softer consistency than cavernous lymphangiomas, and this term is typically the one that is applied to lymphangiomas that develop in fetuses. They usually appear on the neck (75%), arm pit or groin areas. They often look like swollen bulges underneath the skin. Causes
The direct cause of lymphangioma is a blockage of the lymphatic system as a fetus develops, although symptoms may not become visible until after the baby is born. The cause remains unknown.
If the pain is localized, occasionally creams and patches containing compounds such as capsaicin, NSAIDs, or lidocaine may be used. Heat or ice compresses may also be used for treatment.Outpatient follow-up may also be a form of treatment for costochondritis. Manual therapy methods such as myofascial release, muscle energy techniques, balanced ligamentous tension (BLT), rib mobilization techniques, and stretching exercises may be used. Additionally, educating the individual with costochondritis about their body mechanics, posture, and activity modification can be beneficial.In severe cases where symptoms do not resolve and last up to a year or longer, corticosteroids or local anesthetic injections may be considered. Epidemiology
Costochondritis is a common condition that is responsible for approximately 13-36% of acute chest pain-related concerns from adults depending on the setting, with 14-39% for adolescents. It is most often seen in individuals who are older than 40 years of age and occurs more often in women than in men. References


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