Spot baldness can be caused by a variety of reasons, including alopecia areata. Alopecia areata is usually caused by T cell lymphocytes (auto-immune). In the case of spot baldness therefore, we recommend doing a biopsy before proceeding with a transplant, because if alopecia areata does, in fact, exist, any transplanted hair would not grow - it would be attacked by the T-lymphocytes.
Although several other factors can cause spot baldness such as fungus, or traction alopecia (constant pulling) which can treat these patients with an injection of a mild steroid solution.
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