Nevus is congenital or acquired benign
skin neoplasm. In the people, these entities are usually called
birthmarks or moles. Nevi does not always appear in
moment of birth. Initially they may be invisible, but
manifest as the body grows under the influence
adverse factors: ultraviolet radiation and changes
hormonal levels. As a result, nevi increase in size and
change their color.
Do not confuse ordinary nevi with dysplastic. First
begin to degenerate into melanoma as a result of their injury, and
the latter, since their formation, have atypical cells,
which have a greater likelihood of malignant rebirth. By
For this reason, most nevi have benign development and
only with age can they show a tendency towards involution. BUT
dysplastic nevus initially refers to premechanical
- What is dysplastic nevus
- Causes of dysplastic nevus
- Symptoms of the disease
- Treatment of dysplastic nevus
- Ways to remove dysplastic nevus
- Disease prevention
- Must remember!
What is dysplastic nevus
Dysplastic nevus is a type of pigmented lesions
on the skin, often called birthmarks or moles. what
is a dysplastic nevus? This is intradermal or
subepidermal accumulation of pigment cells (melanocytes) that
get into the skin during fetal development. In fact, these
pigmenting cells are a kind of nerve cells.
Nevus does not immediately begin to appear as brown spots on
skin. This process takes a long time and envy many
endogenous and exogenous factors. Dysplastic nevus – dangerous
neoplasm since it is a precursor of malignant
melanoma diseases (especially aggressive form of skin cancer). Exactly
the term “dysplastic” means that a nevus is not
typical birthmark, and has a propensity for malignant
Causes of dysplastic nevus
Causes of dysplastic nevus and its degeneration
in melanoma the following:
- hereditary factor;
- disruptions and hormonal changes (during pregnancy,
menopause, during puberty);
- excessive ultraviolet radiation;
- excessive passion sunbathing.
Most often it is the genetic predisposition
the main cause of dysplastic nevus. Often in 90%
a person with a dysplastic nevus has a family history
melanoma disease. For this reason, dysplastic nevus –
congenital hereditary factor.
Symptoms of the disease
- The surface of the dysplastic nevus is small-bumpy.
- It does not have a clear form and boundaries.
- Heterogeneous color over the entire surface of the dysplastic
- It can be both single and multiple.
- Possible hair growth from nevus.
- A dysplastic nevus may not rise above the skin or
rise quite slightly.
Treatment of dysplastic nevus
Treatment of dysplastic nevus lies in its surgical
removal in case of suspicion of rebirth nevus in
malignant melanoma. This applies to both new formations,
so to older, but changed their clinical
Multiple dysplastic nevi, common on the body,
not removed for preventive purposes. Surgical method
only those nevi that are located in
places difficult to access and inspect, as well as nevi
with severe dysplasia.
Dysplastic nevus is surgically removed on
a few millimeters away from the neoplasm line in
side of healthy tissue. When removing a nevus, a Wood lamp is used.
which helps to accurately establish the shape of the neoplasm and
completely eliminate it. Otherwise there is a high probability
recurrent nevus, which can give even greater growth
Ways to remove dysplastic nevus
The most popular method of removing a nevus is a laser. Laser
the removal method is the safest since it does not require
anesthesia, leaves no scars and scars. But this method is still
There are contraindications. Large nevi are not removed.
more than 1cm. In this case, there is a possibility of incomplete removal of tissue,
and as a result, new tissue growth and occurrence
It is possible to remove a nevus by electrocoagulation.
(electric current), cryodestruction (liquid nitrogen) and
surgical scalpel (excision of tissue). Nevus removal
surgical method is the most reliable because it gives
the ability to completely remove the affected tissue.
In order to avoid the development of melanoma, it is necessary to carry out
preventive examination every six months depending on height
atypical cells and the rate of emergence of new formations. TO
Unfortunately, dysplastic nevus does not have any effective
ways to prevent their development. The only way
reduce the chance of nevus degenerating into a malignant melanoma
– This is to avoid direct sunlight. Should
protect against UV radiation, especially if there is
one or more birthmarks. You can be in the sun with 8
o’clock in the morning before lunch and after 5 pm, preferably not under direct
sun rays. It should protect the skin from sunlight by all.
possible ways: use sunscreen with
high protection factor, wear light, light clothing covering
most of the body, wearing wide-brimmed hats, glasses and umbrellas. To that
the owner of a dysplastic nevus should be attentive to
yourself, follow the birthmarks, pay attention to their
state. Urgently consult a doctor if suddenly nevi have changed
color, size, surface or structure, as early diagnosis
Melanomas can help save and prolong a person’s life.
- That in itself dysplastic nevus is not
- Most often it is hereditary and appears
in persons with a family history.
- This is an individual feature of the body that requires
attention to birthmarks, as it has the ability
rebirth into malignant melanoma.
- Surgical method removes only single ones.
- Multiple dysplastic nevi require regular and