Symptoms Varicose veins may not cause any pain. Signs you may have with varicose veins include: Veins that are dark purple or blue in color Veins that appear twisted and bulging; often like cords on your legs When painful signs and symptoms occur, they may include: An achy or heavy feeling in your legs Burning, [Xem thêm…]
Pectus excavatum is a medical term that describes an abnormal formation of the rib cage that gives the chest a caved-in or sunken appearance. Considerations Pectus excavatum is often a congenital (present at birth) abnormality. Or, it can develop after birth. The condition can be mild or severe. Pectus excavatum is due to too much [Xem thêm…]
What is the cause of pectus excavatum? The cause of pectus excavatum is not known however it can run in families, with up to 25 percent of affected patients reporting chest wall abnormalities in other family members. Pectus excavatum occurs in approximately 1 out of 400–1000 children and is three to five times more common [Xem thêm…]
Introduction The two procedures most often performed for the correction of pectus excavatum are the open method, the “highly-modified Ravitch procedure,” and the minimally invasive “Nuss procedure,” first described by Dr. Ravitch in 1949 and Dr. Donald Nuss in 1998, respectively. Nuss Technique The Nuss procedure is considered minimally invasive because it does not require [Xem thêm…]
What is pectus excavatum? Pectus excavatum (PE) is an abnormal development of the rib cage where the breastbone (sternum) caves in, resulting in a sunken chest wall deformity. Sometimes referred to as “funnel chest,” pectus excavatum is a deformity often present at birth (congenital) that can be mild or severe. What causes pectus excavatum? The [Xem thêm…]
Treatment can be either conservative or active. Active treatments can be divided into surgical and non-surgical treatments. Newer methods including endovenous laser treatment, radiofrequency ablation and foam sclerotherapy appear to work as well as surgery for varices of the greater saphenous vein. Conservative The National Institute for Health and Clinical Excellence (NICE) produced clinical guidelines in July 2013 recommending that all people with [Xem thêm…]
Varicose veins are veins that have become enlarged and twisted. The term commonly refers to the veins on the leg, although varicose veins can occur elsewhere. Veins have pairs of leaflet valves to prevent blood from flowing backwards (retrograde flow or venous reflux). Leg muscles pump the veins to return blood to the heart (the skeletal-muscle pump), against the effects of gravity. [Xem thêm…]
What is the thyroid gland? The thyroid gland is a butterfly-shaped endocrine gland that is normally located in the lower front of the neck. The thyroid’s job is to make thyroid hormones, which are secreted into the blood and then carried to every tissue in the body. Thyroid hormone helps the body use energy, stay [Xem thêm…]
RADIOFREQUENCY ABLATION OF THYROID NODULES Ths.Bs Trần Thanh Vỹ*, Ths.Bs Lê Quang Đình** SUMMARY Radiofrequency (RF) ablation has been gaining popularity as a minimally invasive treatment for benign thyroid nodules regardless of the extent of the solid component. RF ablation of benign nodules demonstrated volume reductions of 33–58% after one month and 51–85% after six [Xem thêm…]