Can skin cancer be detected through early physical examination?
Generally speaking, whether skin cancer can be detected during a physical examination at an early stage depends on the specific methods used during the examination and the individual patient's circumstances. If experiencing any discomfort, it is recommended to seek medical attention promptly. Specific analysis is as follows:
If the physical examination includes detailed visual inspection and palpation of the skin and the examiner is experienced, some early-stage skin cancers might be identified. For example, early basal cell carcinoma often presents as small, smooth, yellowish or pink nodules on the skin surface, accompanied by telangiectasia (dilated capillaries), which may reveal abnormalities upon close observation. Early squamous cell carcinoma may manifest as red, firm nodules that later develop into wart-like growths or ulcers, with changes in texture detectable through palpation. These typical early lesions might be identified during a thorough skin examination, prompting further diagnostic tests.
If the physical examination does not include specialized skin checks or if early lesions are located in concealed areas or exhibit atypical symptoms, detection may be difficult. Many routine physical exams focus primarily on internal organs, performing only cursory skin observations, which can lead to overlooking subtle early lesions. Particularly in the case of melanoma, early signs may involve only slight changes in the size, shape, or color of existing moles. Without specific attention, these can be challenging to distinguish from ordinary pigmented moles.
It is important to monitor changes in the skin regularly. If new rashes persist for a long time, existing moles grow rapidly or change color, or skin ulcers fail to heal over time, prompt medical evaluation is advised. Avoid prolonged sun exposure, take sun protection measures when outdoors, and minimize skin damage. Conduct regular self-skin examinations to become familiar with your skin's condition, enabling early detection and timely intervention.