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Writer's pictureMariusz K

Alarming time-lapse shows how a small 'dark patch' develops into melanoma

A time-lapse video has revealed how a tiny dark patch of skin can morph into stage four skin cancer. Melanoma is a type of skin cancer that can spread to other areas of the body with the main cause of it being ultraviolet light, which comes from the Sun and is used in sunbeds. According to The Sun, doctors urge everyone to check their skin regularly for any unusual marks or changes in moles.




The time-lapse video created by Virginia-based Head and neck surgeon Dr Chris Chang shows how a barely visible mark can develop into a killer melanoma cancer over a decade. The video is alarming, but it serves as a reminder of the importance of regular skin checks and early detection of skin cancer. Skin cancer is the most common type of cancer in the UK, and melanoma is the deadliest form of skin cancer.

Melanoma can appear anywhere on the body, but it is most common on the back, legs, arms, and face. Early detection of melanoma is crucial, as it can be treated effectively if caught early. The video is a powerful tool to raise awareness of the importance of regular skin checks and to encourage people to take action if they notice any changes in their skin.


Melanoma is a type of skin cancer that develops from the pigment-producing cells called melanocytes. It can be caused by exposure to UV radiation from the sun or tanning beds, as well as genetic factors.

Identification of a Dark Patch

One of the early signs of melanoma is the appearance of a dark patch on the skin. This can be a small, flat, or slightly raised discoloured spot that is darker than the surrounding skin. It may be black, brown, or other shades of dark colour. It is important to note that not all dark patches are melanoma, but it is always better to be safe than sorry.

To identify a dark patch that could be melanoma, the ABCDE rule can be used:

  • A: Asymmetry - one half of the mole does not match the other half.

  • B: Border - the edges of the mole are irregular, blurred, or jagged.

  • C: Colour - the mole has different shades of colour or has an uneven distribution of colour.

  • D: Diameter - the mole is larger than 6mm in diameter.

  • E: Evolving - the mole is changing in size, shape, or colour.

Time-Lapse of Melanoma Development

An alarming time-lapse video has revealed how a barely visible mark can morph into stage four skin cancer over a decade. The video shows how a tiny dark patch of skin can morph into killer melanoma cancer over time [1].

Melanoma can develop slowly over a period of several years. It starts as a small, flat, or slightly raised discoloured spot that gradually grows in size and thickness. As it grows, it can become more irregular in shape and colour, and may start to bleed or itch.

If left untreated, melanoma can spread to other parts of the body and become life-threatening. Therefore, it is important to seek medical attention as soon as possible if you notice any changes in your skin, especially if you have a history of sun exposure or a family history of melanoma.

In conclusion, melanoma is a serious type of skin cancer that can be prevented or treated if detected early. It is important to protect your skin from UV radiation and to monitor any changes in your skin. If you have any concerns, consult a dermatologist or healthcare professional.

[1] The Sun. (n.d.). Alarming time-lapse video reveals how tiny 'dark patch' morphs into killer melanoma cancer over a decade. Retrieved May 3, 2024, from https://www.thesun.ie/health/12879009/time-lapse-tiny-dark-patch-melanoma-skin-cancer/.

Medical Implications and Prevention

Health Risks Associated with Melanoma

Melanoma is a type of skin cancer that can spread rapidly and become life-threatening if not detected early. According to a study published in the Journal of the American Academy of Dermatology, melanoma is responsible for the majority of skin cancer deaths.

Melanoma can occur anywhere on the body, but it is most commonly found on the back, legs, arms, and face. People with fair skin, light hair, and blue or green eyes are at a higher risk of developing melanoma. Other risk factors include a family history of melanoma, a history of sunburns, and exposure to ultraviolet (UV) radiation from tanning beds or the sun.

Strategies for Early Detection

Early detection is crucial for the successful treatment of melanoma. Regular self-examination of the skin can help identify any changes or abnormalities. The American Academy of Dermatology recommends using the "ABCDE" rule to identify potential warning signs of melanoma:

  • Asymmetry: one half of the mole does not match the other half.

  • Border: the edges of the mole are irregular or blurred.

  • Color: the mole has different shades of brown, black, or tan, or it may be red, white, or blue.

  • Diameter: the mole is larger than the size of a pencil eraser.

  • Evolving: the mole is changing in size, shape, or color.

If any of these warning signs are present, it is important to consult a dermatologist for further evaluation and testing.

Preventative Measures



Prevention is key to reducing the risk of developing melanoma. Simple measures such as wearing protective clothing, including a hat and sunglasses, and using a broad-spectrum sunscreen with an SPF of 30 or higher can help reduce the risk of exposure to UV radiation. It is also important to avoid tanning beds and seek shade during peak sun hours.

Regular skin exams by a dermatologist can also help detect any potential skin abnormalities early on. People with a higher risk of developing melanoma, such as those with a family history of the disease, may benefit from more frequent skin exams.

By being aware of the risks associated with melanoma, understanding the warning signs, and taking preventative measures, individuals can reduce their risk of developing this potentially deadly form of skin cancer.

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