Enlarged lymph nodes3/19/2023 It is vital that in all patients with enlarged abdominal lymph nodes a biopsy sample is obtained and the correct diagnosis confirmed before commencing the treatment. In case the sample is deemed inadequate the surgeon can obtain more samples before the patient is brought out of anaesthesia. The final diagnosis often takes five to seven days as the sample has to be processed in a particular manner and special tests carried out on it. This helps the surgeon, as the pathologist is able to indicate whether or not the sample is adequate and also is able to point to a tentative diagnosis. Usually the sample is sent to a pathologist immediately for processing (called frozen section) when the patient is under anaesthesia. The surgeon then exposes the area of enlarged lymph nodes and obtains a biopsy with the help of special, long instruments introduced inside the abdomen through two other cannulas and by observing the picture of the operative site on the television screen. The telescope that picks up the picture of the inside of the abdomen and transmits it to a television screen. To look inside the abdomen, the surgeon passes a telescope connected to a miniature video camera through the cannula. As the abdomen gets filled up with the gas, the abdominal wall is lifted up, thus providing the surgeon a space to work in. This cannula is connected to a special pump that pumps carbon dioxide gas. The surgeon makes a small (about 1-cm) incision and places a short tube called a cannula through the abdominal wall. (2018, November 23).Laparoscopic lymph node biopsy is carried out under general anaesthesia.
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