Cancer Treatment and Health Care » diagnostic purposes

Types of Cancer Treatments II

Isabella Turner — Sun, 04 Jul 2010 17:00:46 +0000

*Taking advantage of the natural orifices of the body can do an endoscopy. In this technique uses a flexible Ttube on the end of a lens and a light, to image, and a device capable of taking samples of tissue.

Endoscopy changes its name in the body area to be explored: laryngoscopy (larynx), gastroscopy (stomach), colonoscopy (colon), cystoscopy (bladder), etc.

*For some endoscopies needed to make a small incision, if it is in the abdomen, one speaks of laparoscopy in the chest, thoracoscopy, etc..

*There are cases where the cancer screening practice with general anesthesia requires a large incision to directly view the area. It speaks of scans to open surgery.

The latest in surgery: laser, cold…

Some of the most innovative techniques in cancer surgery are applied to laser surgery, cryosurgery, electrosurgery, Mohs surgery and laparoscopic surgery.

*Laser surgery. The laser is a beam of light energy. In surgery is used for work requiring high accuracy. For example, to vaporize cancer cells in tumors of the cervix, larynx, liver, rectum, or skin (photoablation). It is also often applied in palliative surgery, for example, when a large tumor pressing the trachea or esophagus and cause difficulty breathing or swallowing.

*Cryosurgery. Its purpose is to freeze and destroy cancer cells. It uses liquid nitrogen or a cold rod. This technique is used sometimes to treat precancerous stages as those that occur in the cervix. Under study is its application to other cancers such as prostate.

*Electrosurgery. Used high-frequency electrical currents to destroy cells. It applies to some skin cancers and mouth.

*Mohs Surgery. The surgeon cuts the skin layer appears to be affected by cancer. That skin is examined immediately under a microscope. Then go back to remove some of the surrounding tissue and is re-examined under the microscope. This process is repeated until it is established that there is any abnormal cell.

*Laparoscopic surgery. Small holes are made by introducing the various surgical instruments, including the endoscope. It is used for some forms of cancer, including gastric, colon, ovary or endometrium.

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Types of Cancer Treatments I

Isabella Turner — Wed, 30 Jun 2010 17:00:43 +0000

Oncological

Surgery is the oldest treatment for cancer. This applies especially in cases where the tumor is well defined and has not spread to other parts of the body. Thanks to advances in surgical techniques is becoming increasingly feasible to remove the tumor without damaging healthy tissue or vital functions.

Operations with different objectives

Interventions can be made for different purposes:
*Preventive, when tissue is removed is not evil but is likely to become so.
*Diagnostics, to take a tissue sample can then analyze whether or not cancerous.
*Staging, to determine the extent of the disease.
*Healing, to remove the tumor completely. The intervention is often accompanied by other treatments of chemotherapy, radiotherapy or both.
*Reducers, is used to remove only part of the tumor, when you note that their complete removal may cause damage to organs and surrounding areas. The party has not been withdrawn will be treated using tumor after chemotherapy or radiotherapy.

*Palliative to treat complications associated with tumor progression. For example, to relieve a bowel obstruction resulting from cancer in the abdomen.
*Reparative and reconstructive. For example, when performing an operation to put a breast prosthesis after a mastectomy procedure in which you can get to empty a breast affected by a tumor.

For diagnostic purposes

Interventions for diagnostic (or to assess the extent of the tumor) are available a variety of techniques and medical instruments.

*A just cause discomfort to the patient and do not require anesthesia, as puncture-needle aspiration. To extract a sample of the tumor for analysis later. “Disadvantages? The amount of tissue is so small it does not always make an accurate diagnosis.

There is a belief that can help extend the tumor. But it is an unfounded fear because the probability that clicking with the needle can extend the tumor is extremely low.

*The biopsy is one of the most used techniques. It can be done with needles, but are common practice that after performing a small incision. In this case require anesthesia.

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