Cutaneous
horn
is
a
clinical
diagnosis
referring
to
a
conical
____________________
of
cornified
material
above
the
surface
of
the
____________________
that
resembles
a
miniature
horn
.
Historically
,
it
is
also
____________________
to
by
its
Latin
name
,
cornu
cutaneum
,
and
less
commonly
and
____________________
eponymously
,
as
cornu
cutaneum
of
Rokitansky
,
after
the
German
pathologist
Baron
Carl
von
Rokitansky
.
The
horn
is
composed
of
compacted
keratin
.
The
base
____________________
the
horn
may
be
flat
,
nodular
,
or
crateriform
.
Various
histologic
lesions
have
____________________
documented
at
the
base
of
the
keratin
mound
,
and
histologic
confirmation
is
____________________
necessary
to
rule
out
malignant
changes
.
No
clinical
features
reliably
distinguish
between
benign
and
malignant
lesions
.
Tenderness
or
bleeding
at
the
base
____________________
lesions
of
larger
size
,
however
,
favor
malignancy
.
Historically
,
London
surgeon
Everard
Home
was
____________________
with
the
earliest
descriptions
of
cutaneous
horns
in
1791
.
However
,
____________________
from
as
early
as
the
16th
and
17th
centuries
have
been
described
in
the
medical
literature
.
Most
notable
among
these
was
by
the
Danish
anatomist
Thomas
Bartholin
in
1670
.
