Diagnosing oral cancer is a crucial step in its management and treatment. Early detection can significantly improve the chances of successful treatment and recovery. Oral cancer, which includes cancers of the mouth, lips, tongue, and throat, can develop slowly and without noticeable symptoms in its early stages. Therefore, it is essential for both healthcare professionals and individuals to be aware of the various methods and procedures used for oral cancer diagnosis.
- Clinical Examination: A routine clinical examination by a dentist or healthcare provider is the first line of defense against oral cancer. During a clinical examination, the healthcare professional checks for any visible signs of abnormalities in the mouth, such as sores, red or white patches, lumps, or unusual changes in the soft tissues.
- Medical History: The patient’s medical history plays a vital role in the diagnostic process. This includes discussing risk factors such as tobacco and alcohol use, as well as a family history of cancer. Information about any symptoms or discomfort experienced by the patient is also gathered.
- Biopsy: If suspicious lesions or abnormalities are detected during the clinical examination, a biopsy is typically recommended. A biopsy involves the removal of a small piece of tissue from the affected area, which is then examined under a microscope to determine if cancerous cells are present. Biopsies can be incisional (a small portion is removed) or excisional (the entire abnormal tissue is removed). This is the most definitive way to diagnose oral cancer.
- Imaging Studies: In some cases, imaging studies such as X-rays, CT scans, or MRIs may be used to determine the extent and location of the tumor. These scans help assess whether the cancer has spread to other areas, such as lymph nodes or surrounding tissues.
- Endoscopy: An endoscopy is a procedure where a thin, flexible tube with a camera is inserted into the oral cavity, throat, or esophagus to get a closer look at the affected areas. This can help in visualizing the tumor and taking biopsies if necessary.
- Fine Needle Aspiration (FNA): FNA is a procedure in which a thin, hollow needle is used to collect a small sample of cells from a suspicious lump or swollen lymph node to check for cancerous cells. It’s often used to assess the spread of cancer to nearby lymph nodes.
- Staging and Grading: Once oral cancer is confirmed, it is crucial to determine the stage and grade of the cancer. Staging refers to the extent of the cancer, whether it’s confined to the primary site or has spread to other parts of the body. Grading assesses the aggressiveness of the cancer cells. Staging and grading help in treatment planning.
- Tumor Marker Tests: Some blood tests can measure specific substances that are produced by cancer cells. These tests, known as tumor marker tests, can provide additional information about the presence of cancer and its progression.
It’s important to note that early diagnosis of oral cancer is key to successful treatment. Regular dental check-ups and prompt evaluation of any suspicious symptoms, such as persistent mouth sores or difficulty swallowing, can lead to earlier detection and a better prognosis. If oral cancer is diagnosed, the treatment plan will depend on factors like the stage of cancer, the patient’s overall health, and the location of the tumor. Treatment options may include surgery, radiation therapy, chemotherapy, or a combination of these approaches. Therefore, it’s essential for individuals to be proactive about their oral health and seek medical attention if they have any concerns about oral cancer.
Designation: Consultant & Unit Chief/Program Director Head & Neck Oncology
Qualification: MBBS, MS(ORL-HNS), Fellowship Head & Neck Oncology
Department: Head and Neck Oncology Unit
Special interest: Reconstructive surgery and Minimal Invasive surgery in Head & Neck