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DERMATOFIBROMA (dense fibroma, histiocytoma,
nodular subepidermal fibrosis) is
a benign, intradermal neoplasm,
most often found on
the lower extremities in adult patients.
The tumor is usually single,
but there
are also multiple dermatofibromas.
It is usually a nodule
of a tightly elastic consistency,
3-10 mm
in diameter, of various shapes:
more often - convex
(tubercle), less often -
indentation (depression). The color of a dermatofibroma
can be
different: the color of normal
skin, pink,
yellow-brown, dark brown,
chocolate. Usually the center
is darker,
and the edges are
light, merging with
the surrounding skin. The surface
of a dermatofibroma can be
smooth, rough or
scaly, matte or
shiny. When the skin
is squeezed on the sides
of the neoplasm, a "dimple"
symptom may occur
- the tumor
sinks into
the depths.
The tumor grows slowly,
for many
months, then remains
unchanged for years and
decades, sometimes resolves
on its own. There is no consensus
on whether
the lesion is a spontaneous benign
neoplastic process or
reactive hyperplasia in
response to injury.
FIBROPAPILLOMA (mild fibroma, acrochordon)
is a benign
skin tumor.
Favorite location: neck,
axillary pits, inguinal
folds, under the mammary
glands, eyelids. It is rarely
found on
the extremities.
Fibropapilloma looks
like a 0.5 –
2.5 cm
tumor rising
above the skin, on
a wide base or
on a leg,
with a soft elastic consistency.
Usually, the color of
a fibropapilloma does not differ much from
the color of the skin, but
it can be pale
pink, dark
brown, or brownish. The telangiectatic mesh can
show through the skin of the fibropapilloma surface. The appearance is
usually wrinkled, and hair can
grow on
the tumor.
Fibropapillomas can occur
at any
age and
in people of both sexes.
It is more often registered in elderly women,
whose body
weight exceeds the required one. There is also
an increase
in the number of fibropapillomas during pregnancy.
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