The difference between melanoma and moles

Written by Zhu Zhu

Dermatology

Updated on September 08, 2024

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Melanoma and moles are distinguishable; firstly, moles are generally smaller, while melanomas have a larger diameter. Secondly, the color of a mole is more uniform, whereas the color of a melanoma is inconsistent in depth. Furthermore, moles are typically symmetric in shape, while melanomas are asymmetric. Lastly, melanoma is a type of malignant tumor, whereas a mole is simply a skin condition.

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How to diagnose melanoma

For the judgment of melanoma as a malignant tumor, it cannot solely rely on clinical experience. Instead, the skin lesion should undergo surgical excision. During the surgery, freezing can be scheduled, and the results of the freezing report will determine the scope of the surgery. The final diagnosis still depends on the paraffin section. The diagnostic gold standard is based on the pathological results, and only a pathology examination can determine whether the lesion is a malignant melanoma. Diagnosing such diseases requires extreme caution due to their high malignancy and ease of metastasis, which can endanger life. Standardized surgical excision is necessary, supplemented by chemotherapy and other methods.

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Melanoma CT manifestations

The CT manifestations of melanoma vary depending on the location of the tumor. Generally, melanomas that occur on the skin can appear on CT scans as mass-like lesions, and the scans can show whether there are any urgent conditions involving the surrounding nerves, blood vessels, and tissues. Some patients may only show CT imaging changes such as localized thickening of the skin. In melanomas that occur inside the skull or in the vulva, the CT mainly shows localized mass-like lesions. These lesions are typically low-density foci with poor blood supply around them, and they generally have an irregular shape.

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Can melanoma be excised?

Melanoma, also known as malignant melanoma, generally appears on the skin or in areas such as mucous membranes and the choroid of the eye. It is the most malignant type of skin tumor and is prone to distant metastases. Early diagnosis and treatment are crucial in the initial stages of the disease. If a diagnosis of melanoma is confirmed at a formal hospital, it is recommended that patients undergo a complete excision biopsy of the lesion. If the lesion is too large to be removed, a superficial skin lesion theft or punch biopsy may also be considered.

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Is melanoma cancer?

Melanoma is generally a malignant tumor caused by melanin in the skin and other organs, which means melanoma is also known as cancer, and it is a very bad tumor. If there are hair follicles in this melanoma, then it is very likely that cancerous changes will occur. Patients should pay attention as the malignancy of the disease is extremely high, and they should seek timely medical examinations and treatment.

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Is melanoma a malignant tumor?

Melanoma is a type of malignant tumor with a relatively high degree of malignancy and a high chance of metastasis, leading to a high mortality rate in the later stages. Once diagnosed, it is imperative to undergo surgical removal at a recognized hospital's dermatology department, followed by radiotherapy and chemotherapy. Melanomas usually develop from common melanocytic nevi, so if such nevi appear on the body, they should be treated correctly. If small, they can be removed with laser treatment; if slightly larger, surgical removal is recommended. If localized melanocytic nevi cause pain, itching, oozing, or bleeding, these could be precursors to malignant transformation and should be taken seriously.