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J Dermatol. 2001 Oct;28(10):521-34.

Cutaneous wound healing: an update.

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Department of Dermatology, Osaka University, Graduate School of Medicine, Japan.


Our understanding of wound-healing mechanisms has progressed over the past decade. Wound healing is traditionally divided into three phases--the inflammatory phase, the proliferation phase, and the remodeling phase--and involves a well-orchestrated interaction among blood vessels (platelets, macrophages, neutrophils, endothelial cells, and smooth muscle cells), epidermis (keratinocytes, melanocytes, and Langerhans cells), adnexal structures (outer root sheath cells and hair dermal papilla cells), dermis (fibroblasts and myofibroblasts), nervous system (neurons), and subcutaneous fatty layers (adipocytes). We review recent discoveries of basic and clinical aspects of wound healing including several revolutions that occurred in wound management: occlusive dressing therapy, use of living skin equivalents, and topical administration of growth factors. As we previously proposed, the use of tissue substitutes and autologous epidermal sheets led to a new concept of skin grafting through the keratinocyte activation phase in the graft healing mechanism. In this review, we also discuss a representative patient who presented with plantar wounds caused by calcaneal osteomyelitis and healed by the coverage of epidermal grafting.

[Indexed for MEDLINE]

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