Oncology

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The field of medicine that is devoted to cancer. Clinical oncology consists of three primary disciplines: medical oncology (the treatment of cancer with medicine, including chemotherapy), surgical oncology (the surgical aspects of cancer including biopsy, staging, and surgical resection of tumors), and radiation oncology (the treatment of cancer with therapeutic radiation).

Role of an oncologist

Medical professionals who practice oncology are called Cancer specialists or oncologists. These oncologists have several specific roles. They help in the diagnosis of cancer, help in staging cancer and grading the aggressive nature of cancer.

Oncology diagnostic tools

The most important diagnostic tool remains the clinical history of the patient. Common symptoms that point towards cancer include fatigue, weight loss, unexplained anemia, fever of unknown origin etc.

Oncology depends on diagnostic tools like biopsy or removal of bits of the tumor tissue and examining it under the microscope. Other diagnostic tools include endoscopy for the gastrointestinal tract, imaging studies like X-rays, CT scanning, MRI scanning, ultrasound and other radiological techniques, Scintigraphy, Single Photon Emission Computed Tomography, Positron emission tomography and nuclear medicine techniques etc.

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oncology image
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