Basal
cell carcinomas begin in the lowest level
of epidermis in what is known as the basal
cell layer. They account for between 65%
and 80% of all skin cancers. They also
develop in sun exposed areas, especially around
the head and neck area. They rarely
spread to lymph nodes or distant areas, but unless
entirely removed, can come back where they started.
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Basal
cell carcinomas comes in five forms. They
include:
Nodular
ulcerative which has a waxy nodular
appearance with an ulcerative center.
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Pigmented
nodular ulcerative which is the same thing
as the nodular ulcerative except it
has pigment in it.
PICTURE
Sclerosing,
which are single, flat, ill-defined
lesions that are usually white.
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Superficial,
which are seen on the trunk, are ill-defined,
red and scaly.
PICTURE
Fibroepiphelial,
which are usually flesh-colored papules
or stubs of tumor.
