![]() ![]() At lower frequencies, the deeper structures of the body such as the internal organs can be visualised, while high‐frequency ultrasound (HFUS) with transducer frequencies of 20 MHz or more has a much lower depth of tissue penetration but produces a higher resolution image of tissues and structures closer to the skin surface. Ultrasound is a non‐invasive imaging technique that relies on the measurement of sound wave reflections from the tissues of the body. Anxiety around missing early curable cases needs to be balanced against inappropriate referral and unnecessary excision of benign lesions. ![]() Melanoma and squamous cell carcinoma (SCC) are high‐risk skin cancers with the potential to metastasise and ultimately lead to death, whereas basal cell carcinoma (BCC) is usually localised, with potential to infiltrate and damage surrounding tissue. Early, accurate detection of all skin cancer types is essential to guide appropriate management and to improve morbidity and survival. ![]()
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