Plastic Surgery Key

  I.  EXTERNAL EAR ANATOMY AND DEVELOPMENT A. Embryology of the External Ear 1.  Auricle a.  Arises from six condensations of mesoderm known as the Hillocks of His during the sixth week of gestation…

  I.  HISTORY A.  The patient’s weight should be stable for 3 to 6 months for optimal results. B.  Medical comorbidities such as diabetes, heart disease, chronic obstructive pulmonary disease (COPD), and deep venous…

  I.  FACIAL NERVE ANATOMY AND FUNCTION A.  The facial nerve, or cranial nerve VII, has separate motor and sensory divisions 1.  Motor division a.  Originates from the facial motor nucleus within the pons b.  Dorsal…

  I.  OVERVIEW A.  From Greek-Ortho: “Straight” or “correct” + Gnath: “jaw” B.  Goals of treatment include restoration of form and function 1.  Restoration of ideal facial proportions 2.  Restoration of functional occlusion for mastication II.  DENTITION…

  I.  ANATOMY (FIG. 47-1) NERVES AND MUSCLE INNERVATION (MM.) A.  Roots (C5–T1): Formed from ventral rami 1.  C5: Dorsal scapular→rhomboid minor, rhomboid major mm. 2.  C5–C7: Long thoracic→serratus anterior mm. 3.  C5–C8: Small root branches→scalenes,…

  I.  OVERVIEW AND EPIDEMIOLOGY A.  Isolated cleft palate (CP) must be differentiated from cleft lip and palate (CLP) B.  CP 1.  0.5 in 1,000 2.  Involves the secondary palate only (posterior to incisive foramen) 3.  No…

PREOPERATIVE WORKUP FOR ANY BREAST SURGERY   I.  COMPLETE MEDICAL HISTORY A.  Family history of breast cancer B.  Abnormal mammograms or previous breast surgeries C.  Pregnancies, breast-feeding, future childbearing plans D.  Smoking history E.  History of any…

ELECTRICAL INJURY   I.  BACKGROUND A.  Electrical injuries represent less than 5% of burn injuries admitted to major burn centers. B.  The typical patient is a young male. The injury is often work-related. C.  Total…

  I.  INCIDENCE A.  Benign tumors 1.  Most tumors of the hand are benign (>90%) a.  Usually can be diagnosed clinically and requires no treatment b.  If lesion suddenly changes in size, appearance, or aggressiveness, appropriate…

FROSTBITE   I.  PATHOPHYSIOLOGY A.  Heat loss can occur via four distinct mechanisms 1.  Evaporation: Direct absorption of body heat by water (sweat) 2.  Conduction: Direct loss of heat via contact with colder object 3.  Convection:…