Figure 4From: Multi-drugs resistant acne rosacea in a child affected by Ataxia-Telangiectasia: successful treatment with Isotretinoin Post-isotretinoin skin biopsy showing mild changes: slight hyperkeratosis, focal parakeratosis, acanthosis. The dermis shows thickened collagen bundles, telangectasias and sparse or periadnexal lymphocytes. HE 4 x.Back to article page