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The trichogram as a prognostic tool in alopecia areata
J D Peereboom-Wynia1, C H Beek, P G Mulder
1Foundation for Hair- and Nail Diseases, Rotterdam, The Netherlands.
Acta Dermato-Venereologica
|August 1, 1993
Summary
A normal trichogram in the control region is a valuable prognostic indicator for alopecia areata patients. This hair loss condition shows better hair regrowth prognosis when the control trichogram is normal.
Area of Science:
- Dermatology
- Trichology
Background:
- Alopecia areata is an autoimmune condition causing patchy hair loss.
- The trichogram, a microscopic examination of hair follicles, is used to assess hair loss conditions.
Purpose of the Study:
- To evaluate the trichogram's effectiveness as a prognostic tool in alopecia areata.
- To correlate trichogram findings with clinical outcomes over one year.
Main Methods:
- 93 patients with alopecia areata and limited scalp lesions were studied.
- Trichograms were performed at the lesion margin and a control region.
- Clinical evaluation of hair regrowth was conducted after one year.
Main Results:
- A normal trichogram at the lesion margin predicted hair regrowth in 80% of patients.
- An abnormal trichogram at the lesion margin predicted regrowth in 62.5% of patients.
- A normal trichogram in the control region showed significantly better prognosis (85% regrowth) compared to an abnormal trichogram (19% regrowth).
Conclusions:
- A normal trichogram in the control region is a strong indicator of favorable prognosis in alopecia areata.
- Trichogram findings in control regions are more predictive than those at lesion margins.