Aetiology
Malignant neoplasms of the lip are caused by the abnormal and uncontrolled growth of cells in the lips. These growths can be caused by genetic mutations and environmental factors, such as exposure to ultraviolet radiation, tobacco smoke and other forms of environmental pollution.
Diagnosis
Malignant neoplasms of the lip can be diagnosed through physical examination, imaging tests and biopsy. During the physical examination, the doctor will look for any lumps, bumps or discoloration in the lips, as well as any changes in the shape of the lips. Imaging tests, such as X-rays, CT scans and MRI scans, are used to obtain detailed images of the tumor. A biopsy is also performed to confirm the diagnosis.
Differential diagnosis
Differential diagnosis for malignant neoplasms of the lip includes other conditions, such as benign neoplasms of the lip, actinic keratosis, infections, such as herpes simplex virus and squamous cell carcinoma.
Treatment
Treatment for malignant neoplasms of the lip depends on the type and size of the tumor. Surgery is the most common treatment and involves removing the tumor and some of the surrounding tissue. Radiation therapy and chemotherapy are also used to treat malignant neoplasms of the lip.
Prognosis
The prognosis for malignant neoplasms of the lip depends on the size, stage and type of tumor. If the tumor is caught early, the prognosis is usually good. However, if the tumor has spread to other parts of the body, the prognosis is not as good.