Key features ▪ A thorough understanding of the anatomy and physiology of the nail unit is a prerequisite for performing successful nail surgery ▪ The nail matrix forms the nail plate; any damage to the matrix (including from surgical procedures)…
Key features ▪ Free skin grafts are pieces of skin that have been severed from their local blood supply and transferred to another location ▪ Grafts for soft tissue reconstruction can be divided into four types: full-thickness skin grafts, split-thickness…
Key features ■ A cookbook approach to flap reconstruction is not realistic ■ The mnemonic STARTS lists basic reconstruction options: simple side-to-side closures, transposition flaps, advancement flaps, rotation flaps, tissue importation flaps, and skin grafts ■ Understanding the dynamics of…
Key features ▪ Choice of a particular biopsy technique is based upon the anatomic site, type of skin lesion, desired histologic information, and patient preference ▪ Wound closure is accomplished via suturing (primary intention) or second intention ▪ Choice of…
Key features ■ Wound dressings have evolved from simple wound coverings to more active wound management tools that directly interact with the wound environment ■ No perfect dressing exists for all wounds but when used appropriately, dressings can improve healing…
Key features ■ The characteristics ascribed to a suture include: physical configurations capillarity USP size elasticity coefficient of friction memory plasticity pliability tensile strength tissue reactivity ■ Sutures used to approximate the dermis and deeper tissue layers are generally absorbable,…
Key features ■ Local anesthetics are classified into two groups – amides and esters, depending upon the linkage in their intermediate chain ■ “Anesthetic allergies” vary from palpitations secondary to epinephrine and vasovagal reactions, to urticaria and anaphylaxis from preservatives…
Key features ■ The muscles of facial expression all arise from the second branchial arch, are concentrated in the central facial region, and receive their motor innervation from the facial nerve (cranial nerve VII) ■ The superficial musculoaponeurotic system (SMAS)…
Key features ▪ Wound healing is a complex and dynamic biologic process, consisting of three consecutive phases: inflammation, tissue formation, and tissue remodeling ▪ Effective wound healing requires synchronization of cell–cell and cell–matrix interactions as well as an interplay of…
Synonym ▪ Radiosurgery Key features ▪ Electrosurgery encompasses a group of procedures by which tissue is removed or destroyed through the application of electrical energy ▪ True electrocautery uses direct current to create a red-hot tip, which can be safer…