What is Desmoplastic Melanoma of the Skin?Desmoplastic melanoma of the skin is a rare type of skin cancer that develop from the uncontrolled multiplication or division of pigment producing cells of the skin called melanocytes along the fibrous and collagen tissues of the skin. It usually develops on sun exposed areas of the skin such as face, head, neck and limbs in older people.
Disease CausesDesmoplastic melanoma of the skin is more likely to link to the genetic mutations caused by prolonged exposure of skin to the ultraviolet rays of sun. It is more common in people of white ethnicity. It is more common in males as compare to females. It usually develops in older people.
Signs and SymptomsThe patient may suffer from the following signs and symptoms. These are
- Usually the color of the lesion is pink or skin colored but may also have Black, brown or tan colored lesion
- Irregular margin of the lesion or tan on the skin
- Flat or raised area of skin less than 1 cm, plaque (crust like scale on skin) or nodule
- Size of the lesion is usually 1-2 cm and greater than 6 cm on diagnosis
- In deep invaded advance stage of desmoplastic melanoma the lesion may bleed or ulcerated
DiagnosisThe following diagnostic tests and procedures can be used to make a diagnosis. These are
- Physical examination of the skin to see the site, size, and extent of the tumor
- Biopsy of the lesion and histopathology
- Imaging tests such as MRI (magnetic resonance imaging) to see the extent of the lesion or tumor.