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Interventional oncology has long been used to provide palliative care for patients. IO procedures can help reduce cancer-related pain and improve patients’ quality of life. Tumours can intrude into various ducts and blood vessels of the body, obstructing the vital passage of food, blood or waste.
The fact that a patient has sought a diagnostician can itself be an indication to perform a diagnostic procedure. For example, in a doctor's visit , the physician may already start performing a diagnostic procedure by watching the gait of the patient from the waiting room to the doctor's office even before she or he has started to present any ...
Oncology is a branch of medicine that deals with the study, treatment, diagnosis, and prevention of cancer. A medical professional who practices oncology is an oncologist . [ 1 ] The name's etymological origin is the Greek word ὄγκος ( ónkos ), meaning "tumor", "volume" or "mass". [ 2 ]
If the cancer develops then a colectomy is required, this is a more intrusive surgery. Other treatment methods are needed if the cancer has started to spread more. Early diagnosis of the cancer can remove the need for more intrusive treatments and patients can be healed. [30] [31]
When cancer is suspected, a variety of biopsy techniques can be applied. An excisional biopsy is an attempt to remove an entire lesion. When the specimen is evaluated, in addition to diagnosis, the amount of uninvolved tissue around the lesion, the surgical margin of the specimen is examined to see if the disease has spread beyond the area ...
Tumor markers alone can't be used for diagnostic purposes, due to lack of sensitivity and specificity. [4] The only approved diagnostic method for cancer is with a biopsy. Detects reoccurring cancers; Tumor markers can detect reoccurring cancers in patients post-treatment. [3]
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