Bone Marrow Transplantation – Definition and Risks

Definition of Bone Marrow Transplant Bone marrow transplantation is a therapeutic procedure to replace the blood stem cells, the functional component of bone marrow, with healthy donor blood stem cells. Typically the preparation process for the bone marrow removes T-cells and sometimes other leukocytes (white blood cells) to lower the likelihood of antigen response in the recipient. Common reasons for bone marrow transplantation […]

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Appendectomy Surgery – Procedure and Complications

Appendectomy Surgery Definition Appendectomy is a surgical operation to remove an inflamed or infected appendix. The conventional open procedure involves making an incision two to three inches long in the lower right abdomen. Open appendectomy typically requires two or three days of hospitalization and four to six weeks for full recovery. A laparoscopy appendectomy requires a shorter hospital stay […]

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Splenectomy – Removal of Spleen (Surgery)

Definition of Splenectomy Splenectomy is a surgical operation to remove the spleen. Though the spleen performs many vital immune and blood-related functions, it is not essential for life. Doctors may also choose to remove the spleen for therapeutic or prophylactic (preventive) reasons in conditions such as chronic myeloid leukemia and myelofibrosis. Because the spleen contains 4 percent of the body’s blood volume […]

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Cholecystectomy Procedure (Open and Laparoscopic)

Cholecystectomy Procedure Definition Cholecystectomy is a surgical operation to remove the gallbladder. Cholecystectomy is the most common treatment in the United States for gallbladder disease including gallstones (cholelithiasis), cholecystitis (inflammation or infection of the gallbladder), and biliary dyskinesia (diminished ability of the gallbladder to eject bile). About 500,000 Americans undergo cholecystectomy each year. Cholecystectomy – Surgical Procedure There are two methods for performing […]

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Thymectomy – Surgery – Procedure and Definition

Definition of Thymectomy A surgical operation, performed under general anesthesia, to remove the thymus, a structure of lymphatic tissue located behind the sternum (breastbone) that produces T-cells. Tendrils of the thymus often extend upward toward the thyroid gland and downward over the heart. The loose structure of the thymus can make it challenging to surgically remove. Thymectomy […]

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Cataract Extraction and Lens Replacement Surgery

Cataract Extraction and Lens Replacement Surgery Definition Cataract Extraction and Lens Replacement surgery is an operation to remove the lens from the eye after a cataract (cloudy occlusion in the lens) forms and replace it with a prosthetic intraocular lens (IOL). Ophthalmologists can extract a cataract at any stage of its development. The vast majority of people who undergo cataract extraction fully […]

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Lung Transplantation – Surgical Procedure and Complications

Lung Transplantation – Introduction Lung Transplantation is an operation to replace an individual’s diseased lung with a healthy donor lung. Doctors performed the first successful lung transplantation in 1983 and now perform several hundred lung transplantations each year. A lung transplantation may involve one lung or both lungs. Less commonly a lung transplantation includes both lungs […]

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Corneal Transplantation – replacement of a diseased cornea

Corneal Transplantation Corneal Transplantation – the replacement of a diseased cornea with a healthy donor cornea. In the United States, ophthalmologists perform more than 45,000 corneal transplantations each year; up to 90 percent of people who receive transplanted corneas experience restored vision; success depends on the reason for the transplant. Ophthalmologists may recommend corneal transplantation to treat: […]

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Tracheostomy Procedure – Definition and Complications

Definition of Tracheostomy Procedure Tracheostomy is a surgical opening created in the trachea to allow air to enter the lungs, bypassing the upper throat and mouth. A tracheostomy may be temporary or permanent. The doctor may perform a tracheostomy when extensive surgery such as to treat laryngeal cancer results in removing the shared structures of the throat that allow […]

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Enucleation – surgical removal of a cancerous eye

Enucleation Surgical Procedure Enucleation is a surgical removal of a cancerous eye or a severely diseased or damaged eye. The operation, performed under general anesthesia, takes about an hour. After removing the eye, the surgeon places an implant to fill the shape of the socket and provide a means of attaching a prosthetic eye. A pressure dressing stays in place […]

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