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  2. Melena - Wikipedia

    en.wikipedia.org/wiki/Melena

    Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.

  3. Acanthosis nigricans - Wikipedia

    en.wikipedia.org/wiki/Acanthosis_nigricans

    Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas. [1]

  4. Melanocytic nevus - Wikipedia

    en.wikipedia.org/wiki/Melanocytic_nevus

    A mole can be either subdermal (under the skin) or a pigmented growth on the skin, formed mostly of a type of cell known as a melanocyte. The high concentration of the body's pigmenting agent, melanin, is responsible for their dark color. Moles are a member of the family of skin lesions known as nevi (singular "nevus"), occurring commonly in ...

  5. Is that mole melanoma? How to tell if a mole is cancerous or not

    www.aol.com/news/mole-melanoma-tell-mole...

    A lot of skin moles or if you have larger moles that are an abnormal shape or color. A parent, sibling or child with a history of melanoma. McMichael explained that some people have a genetic ...

  6. Why Is My Poop Light Tan? Here’s What Causes Pale or Clay ...

    www.aol.com/why-poop-light-tan-causes-210633163.html

    If your skin is looking a bit pale (which can occur in people of any skin tone), there’s usually a reason. It could be anything from a vitamin B12 deficiency to a symptom of anemia.The same is ...

  7. Dysplastic nevus - Wikipedia

    en.wikipedia.org/wiki/Dysplastic_nevus

    An atypical mole may also be referred to as an atypical melanocytic nevus, [2] atypical nevus, B-K mole, Clark's nevus, dysplastic melanocytic nevus, or nevus with architectural disorder. [3] Dysplastic nevi often grow to larger than ordinary moles and may have irregular and indistinct borders.

  8. Overnight, her mole turned black and blistered. It was skin ...

    www.aol.com/news/overnight-her-mole-turned-black...

    C: Color that looks different through the mole that could be brown, black, white, red or blue. D: Diameter means moles that are larger than a pencil eraser. E: Evolving moles that become larger ...

  9. Congenital melanocytic nevus - Wikipedia

    en.wikipedia.org/wiki/Congenital_melanocytic_nevus

    Prominent terminal hairs often form, especially after puberty. With maturity, the nevus can have variation in color, and the surface might be textured with proliferative growths. Neurocutaneous melanosis is associated with the presence of either giant congenital melanocytic nevi or non-giant nevi of the skin. It is estimated that neurocutaneous ...