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Doctor insights on: Melanoma Types

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I have a red, bump (like a mosquito bite) skin cancer on my shin. Are all bumpy/elevated skin cancers the deadly melanoma type, or not necessarily?

I have a red, bump (like a mosquito bite) skin cancer on my shin.  Are all bumpy/elevated skin cancers the deadly melanoma type, or not necessarily?

Not necessarily: There are 3 types of skin Cancers: The most common is called a Basal cell carcinoma(this is what you are most likely to have). Melanoma is less common and it usually has a brown or black color to it. But the best way to find out what you have is to go see your doctor(PCP). A dermatologist may be most appropriate if you can get an appointment soon(in 2 weeks or less). ...Read more

Dr. Mike Bowman
950 doctors shared insights

Skin Cancer (Definition)

A condition in which some element of your skin--which is one of the most complex organs in the body--degenerates into cancer. The three most common types of skin cancer are: basal cell, squamous cell, and melanoma which occur in that order and degree of aggressiveness. Although heredity plays a major role, sun exposure and tobacco use and ...Read more


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Would a nodular melanoma, or a melanoma of any type grow in 6 months?

Consult your doctor: If you're concerned about a skin lesion that has grown rapidly or changed suddenly, you should consult a specialist who treats skin disorders. A dermatologist or plastic surgeon could evaluate this lesion and give you advice about how to proceed. ...Read more

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What type of melanoma grows deep instead of spreading on top and then growing down?

What type of melanoma grows deep instead of spreading on top and then growing down?

Unclear: All melanomas are bad and can metastasize and once it spreads it is usually incurable. ...Read more

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Which type of melanoma cares the worst prognosis ? Is it nodular o a melanotic melanoma ?

Which type of melanoma cares the worst prognosis ? Is it nodular o a melanotic melanoma ?

Nodular melanoma: Three of the four types of melanoma remain superficial in the epidermis and grow RADIALLY (laterally), often for several years, before entering the VERTICAL GROWTH PHASE where they grow downward and invade the dermis with the potential to metastasize. The fourth type of melanoma is nodular melanoma which STARTS in the vertical growth phase and can metastasize from the outset. ...Read more

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What are the types of tumors for melanoma?

What are the types of tumors for melanoma?

4 main types: Most melanomas are called superficial spreading. Theyt tend to start by growing in the top planes of the skin and then go deeper. Nodular melanomas begin their vertical growth phase (burrowing deeper) earlier. Lentigo maligna are often on the face in the elderly and may be large. Acral lentiginous melanomas begin in fingers or toes and sometimes in the nonpigmented areas in dark-skinned people. ...Read more

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Please describe the types of tumours for melanoma?

Please describe the types of tumours for melanoma?

Many: First the otc products. These include toothpaste and rinse as well as the whitening strips. These along with good oral hygiene can get you a few shades lighter if you do not have dark/deep stains. Professional products include in-office, "power", bleaching as well as take home trays. The trays are typically a sufficent option and will get you up to 8-10 shades lighter. ...Read more

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Please describe the types of tumours for melanoma?

Please describe the types of tumours for melanoma?

Four basic types: 1) modular 2) superficial spreading 3) acral lentiginous 3) lentigo maligna are the four most basic types. Although usually pigmented not all melanomas are brown in appearance. ...Read more

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I have read that desmoplastic neurotrophic malignant melanoma is a less dangerous type to have. Is this true?

I have read that desmoplastic neurotrophic malignant melanoma is a less dangerous type to have. Is this true?

Malignant melanoma : There are no good malignant melanomas but the size thickness location and lymph nodes are the best predictors of survival. ...Read more

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If I had a melanoma on the back of my neck and it spread, which specific type of neck lymph nodes would it likely first spread to?

If I had a melanoma on the back of my neck and it spread, which specific type of neck lymph nodes would it likely first spread to?

Sentinel node: If surgical exploration is needed to look for lymph node draining the site of the lesion, a dye or radioactive isotope is injected at the site of the lesion and the dye or radioactivity is tracked to identify the first lymph node where the marker ends up. ...Read more

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Other than speed, what makes a nodular melanoma different than the other sub types. Why would nodular start in one person and superficial in another?

Other than speed, what makes a nodular melanoma different than the other sub types.  Why would nodular start in one person and superficial in another?

Mutations: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3253944/ Histologically, genomically distinct biological subtypes https://www.melanoma.org/understand-melanoma/what-is-melanoma/cutaneous-melanoma Age, race, genetic make-up, intermittent sun exposure all play a part. These two subtypes have different ratios and prevalence of certain mutations like BRAF and NRAS. SSM often begins from dysplastic nevi. ...Read more

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If you check your skin monthly can nodular melanoma be caught early. The question is specifically about the nodular type and not superficial, acral..

If you check your skin monthly can nodular melanoma be caught early.  The question is specifically about the nodular type and not superficial, acral..

Yes you can: Nodular melanomas do show up in areas where there was no mole. Yet these lesions take some months to develop; so once monthly skin self exam is a good way to watch out and catch them early. Best wishes. ...Read more

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How does a pathologist identify nodular melanoma as opposed to superficial or other types under a microscope? Does it look different?

Very much so: It's the distribution of the abnormal cells in relationship to the remaining normal structures. I trained under one of the premiere surgical pathologists of his generation and even then, he would never sign out a melanoma without a second pathologist. ...Read more

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What would cause a pet scan to not detect malignant melanoma that was about the size of a chocolate easter egg? I also have type II diabetes.

What would cause a pet scan to not detect malignant melanoma that was about the size of a chocolate easter egg? I also have type II diabetes.

Many Factors: No test is always right, pet/ct included. Every patient's tumor is unique, too. How a particular tumor will take up the primary pet/ct tracer, called f-18 fdg, is also not perfectly known. Some consistently fail to take up FDG that pet/ct is rarely used to image them, but this is not true for melanoma. Finally, smaller tumors are always harder to see, no matter which imaging technique is used. ...Read more

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Biopsy shows spitz nevus cells under another type of benign mole. Melenoma can't be ruled out yet. Can melanoma grow under a benign mole?

Biopsy shows spitz nevus cells under another type of benign mole. Melenoma can't be ruled out yet. Can melanoma grow under a benign mole?

Yes: In fact, this is fairly common. No one knows where spitz nevus leaves off and a melanoma capable of metastasizing begins. This is one of the hardest calls in pathology, and some say it's impossible. The burning question will be whether to do additional surgery. ...Read more

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What is melanoma?

What is melanoma?

Skin cancer: Melanoma is a cancer that develops in the melanocytes, pigmented cells of the outer layer of skin. While it is related to sun and uv radiation, it is possible to get melanoma in areas that receive minimal sun exposure. Melanoma is generally considered the most dangerous form of skin cancer, more likely to metastasize than the more common basal or squamous cell cancers. ...Read more

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What is a melanoma?

A type of skin cance: Melanoma is a type of skin cancer that arises from the pigmented cells (melanocytes) in the skin. In general, it is more malignant than the other two common skin cancer types (basal cell and squamous cell), but early melanoma has a good prognosis. Look online for the abcde for diagnosing melanoma. If you have a suspicious mole - have it checked out by a deramatologist. It could save your life! ...Read more

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Dr. Travis Kidner
2,627 doctors shared insights

Melanoma (Definition)

Cancer of the melanocyte cells. Melanocyte cells determine the color of your skin. Although these cells are primarily found in your skin, they can also be found in the bowel ...Read more