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Are
classification systems still important in today's hair loss research
Yes these simple classification tables are still used but they
have been modified from Dr Hamilton's original system and the information
providied by classification is supplemented with other objective
and subjective forms of hair loss analysis.
Today researchers most frequently use the Norwood modification
of Hamilton's classification. Norwood in 1975 published a classification
table that had seven categories and five variants. Norwood got rid
of Hamilton's type I group for people with no hair loss believeing
it was not useful and potentially confusing to readers of research
reports.
Norwood also ignored the subgroups for people with high hairlines
and those with a senile pattern of hairloss that Hamilton had previously
suggested.
Are
classification systems still important in today's hair loss research
references
- Norwood OT. Hair Transplant Surgery. Charles
C Thomas Publishers, Springfield IL, USA, 1973. ISBN 0-398-02892-3
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