How long will melanoma become malignant?

Written by Sun Ming Yue

Medical Oncology

Updated on September 12, 2024

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Melanoma is a malignant tumor caused by melanocytes in the skin and human organs. Cutaneous melanoma generally manifests as pigmented lesions that often change over many years or in a short period of time. Because of this, the risk period for melanoma varies in length, and it is uncertain how long it will take for the disease to develop. Melanoma is a malignant tumor with poor survival rates, and it is prone to aggressive metastasis. If metastasis occurs, the lifespan of the patient will be significantly reduced.

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Does melanoma feel painful when pressed?

Melanoma is a highly malignant skin cancer, and clinically, some patients may experience pain when pressing on the lesion area. The reason for the pain is mainly due to the rapid growth of the melanoma, leading to compression of local tissues or the optic nerve and urgency, resulting in a painful sensation. This pain can exist even without pressing, and ulcerative lesions can occur in some affected areas, leading to symptoms such as pain, bleeding, and infection. In addition to pain upon local compression, patients with melanoma may also experience inflammatory changes such as redness, swelling, heat, and pain, causing some clinical symptoms of fever.

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How long does it take for melanoma to develop?

The duration of melanoma development varies because melanoma is a type of skin cancer with a relatively high degree of malignancy. However, clinically, the types of melanoma are diverse, and the onset time generally correlates with the patient's clinical phenotype. For some superficial types of melanoma with low malignancy, it generally takes several years to develop. For highly malignant melanomas, the disease generally progresses rapidly within about six months to a year. Once melanoma progresses, it can affect multiple parts of the body and severely impact the patient's lifespan.

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Written by Liu Gang

Dermatology

44sec

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Does melanoma need to be excised?

Melanoma is a type of malignant tumor, which mostly develops from common melanocytic nevi. Once diagnosed with this disease, surgical removal is necessary. After the surgery, a full-body examination is also required to check whether the tumor cells have metastasized. If there is metastasis, further radiotherapy or chemotherapy is needed. If melanocytic nevi appear on the body, it is crucial to handle them properly, ideally by using laser treatment or surgical removal when they are relatively small to prevent the later formation of melanoma. If the melanocytic nevi cause pain, itching, or oozing after scratching, it might be a precursor to malignancy, and formal treatment is necessary.

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Written by Cui Fang Bo

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53sec

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Is laser treatment or surgical removal better for melanoma?

Regarding whether laser treatment or surgical excision is better for melanoma, the answer is clear: surgical excision is better. Melanoma originates from melanocytes and is not limited to one layer of the skin. Therefore, for melanoma of the skin, the infiltration depth can sometimes be profound, reaching the dermis layer. Laser treatment sometimes only covers a superficial depth, which cannot achieve complete removal. Surgical excision can completely remove deeper infiltrative parts of the melanoma, and after the excision, complete tissues can be obtained for pathological examination, which helps in staging after the surgery and guides treatment post-surgery. Laser treatment does not offer these benefits. Therefore, current guidelines recommend surgical excision for the treatment of melanoma and do not recommend laser treatment.

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Written by Sun Ming Yue

Medical Oncology

49sec

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How to alleviate vomiting from melanoma

Melanoma is one of the malignant tumors, and if one contracts this disease, it is important to treat melanoma promptly as symptoms are not very pronounced in the early stages. In advanced stages, symptoms such as nausea and vomiting may occur, possibly due to irritation of the stomach. Surgery, chemotherapy, and radiotherapy can all have side effects. It is also possible that the melanoma has metastasized, causing a feeling of vomiting. It is recommended that patients take antiemetic medication to treat this, and in terms of diet, eat foods that are beneficial for the spleen and stomach, such as coix seed, yam, millet, red dates, and black fungus, all of which can help alleviate discomfort in the gastrointestinal tract.