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Superior vena cava syndrome (SVCS), is a group of symptoms caused by obstruction of the superior vena cava ("SVC"), a short, wide vessel carrying circulating blood into the heart. The majority of cases are caused by malignant tumors within the mediastinum , most commonly lung cancer and non-Hodgkin's lymphoma , directly compressing or invading ...
A positive Pemberton's sign is indicative of superior vena cava syndrome (SVC), commonly the result of a mass in the mediastinum.Although the sign is most commonly described in patients with substernal goiters where the goiter "corks off" the thoracic inlet, [4] the maneuver is potentially useful in any patient with adenopathy, tumor, or fibrosis involving the mediastinum.
The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm) short length vein that receives venous return from the upper half of the body, above the diaphragm .
There is also primary mediastinal B-cell lymphoma with exceptionally good prognosis. [5] [6] [7] Common symptoms of a mediastinal lymphoma of include fever, weight loss, night sweats, and compressive symptoms such as pain, dyspnea, wheezing, Superior vena cava syndrome, pleural effusions. Diagnosis usually by CT showing lobulated
The left superior vena cava is not shown in this image. In anatomy , a persistent left superior vena cava is the most common variation of the thoracic venous system . [ 1 ] [ 2 ] It is present in between 0.3% and 0.5% of the population, [ 3 ] [ 4 ] [ 5 ] and is an embryologic remnant that results from a failure to involute .
Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures over the next several days. Frigid conditions are expected over a ...
retrosternal mass with superior vena cava syndrome: arms elevated over head elicits facial plethora, distended neck veins and inspiratory stridor Phalen's maneuver: George S. Phalen: rheumatology, hand surgery: carpal tunnel syndrome: 30–60 seconds of full forced flexion of wrist elicits symptoms Piskaçek's sign: Ludwig Piskaçek: obstetrics ...
And after a 2007 decision to raise the age that young people can be tried as adults, from 16 to 18, the state has also reduced the number of teenagers heading to adult prisons. Child advocates say that, while imperfect, the collective effort of judges, educators, attorneys and state lawmakers has helped the state rethink its relationship to ...