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The first 25 slides, exactly as they appear. The full deck has 106 content slides.
Dermatology
Surgical Anatomy of the Head and Neck
Built from Dermatology, 5th Edition
What’s inside
11 sections · 106 slides
Overview
- Content roadmap
Topographic Anatomy of the Head and Neck
Surface landmarks that reveal the nerves, vessels, and glands lying beneath the skin
- Surface anatomy as a guide to deeper structures
- Foramina of the midpupillary line
- Topographic cutaneous landmarks of the face
- Zygomatic arch, masseter, and buccal fat pad
- The parotid gland
- Stensen's duct: the parotid gland's drain
- Triangles of the neck
- Contents of the neck triangles
- Erb's point: a surgical danger zone
- Spinal accessory nerve in the posterior triangle
Skin Tension Lines
Why wrinkles form where they do, and how surgeons use them to hide scars
- Collagen, elastin, and the aging face
- Orientation of skin tension lines relative to muscle fibres
- Skin tension lines of the body
- Using tension lines in surgery
Cosmetic Subunits
Regional building blocks of the face that guide where to place and hide a scar
- Definition of a cosmetic subunit
- Overview of the facial cosmetic subunits
- Cosmetic subunits of the face
- Repairing within the unit
- The eyelid cosmetic subunit
- Nasal cosmetic subunits
- Cartilage and bone framework of the nose
- The philtrum and lip landmarks
- The external ear as a subunit
- Topography of the external ear
Free Margins
Edges of the face not anchored on both sides, and why they distort easily
- Definition of a free margin
- Ectropion and eclabium: free margin distortion
- Repairing near the lip and ear margins
- Repairing the nasal tip and alar margin
The Superficial Musculoaponeurotic System
A fibrous sheet that links facial muscles to the skin and guides safe dissection
- Definition and role of the SMAS
- Layers from skin to muscle in the face
- Fascial planes of the upper face
- The SMAS is not one continuous sheet
- Using the SMAS as a dissection guide
Muscles of Facial Expression
The muscle groups that move the face, and what is lost if their nerve supply is cut
- Where these muscles come from
- Muscles of facial expression
- Scalp and forehead muscles
- Muscles around the eye and brow
- Muscles around the nose
- Muscles of the mouth: elevators and the ring muscle
- Muscles of the mouth: cheek and depressors
- The platysma muscle
- Predicting deficits from nerve branch injury
- Muscles of facial expression: nerve branch
- Muscles of facial expression: nerve branch (continued)
- Muscles of facial expression: nerve branch (continued)
- Muscles of facial expression: function
- Muscles of facial expression: function (continued)
- Muscles of facial expression: function (continued)
- Muscles of facial expression: effect of nerve injury
- Muscles of facial expression: effect of nerve injury (continued)
Vascular Anatomy
Why the face heals so well, and where filler injections can go dangerously wrong
- Dual arterial supply of the face
- Ophthalmic artery branches and the filler danger zone
- Arterial supply of the face
- The facial artery's path
- From facial artery to angular artery
- The angular artery
- The superficial temporal artery
- Facial veins and a hidden danger
- Facial artery and lower face and neck structures
- Vascular anastomoses and flap survival
The Facial Nerve
Cranial nerve VII: motor supply to facial expression, and its five branches
- Facial nerve overview
- The facial motor nerve
- The five terminal branches of the facial nerve
- Facial nerve branches exposed in the parotid
- The facial nerve is more exposed in children
- Branches of the facial nerve in dissection
- Temporal branch: course and danger zone
- Temporal branch injury: the consequence
- Zygomatic and buccal branches
- Zygomatic/buccal injury: the consequence
- Marginal mandibular branch
- Marginal mandibular injury: the consequence
- Cervical branch
- Summary of surgical danger zones
- Surgical danger zones: nerve(s) at risk
- Surgical danger zones: function at risk
- Surgical danger zones: surface landmark
- Surgical danger zones: injury if damaged
Sensory Innervation of the Head and Neck
How the trigeminal nerve and cervical plexus map sensation across the face, ear, and neck
- Dual sensory supply to the head and neck
- The three divisions of the trigeminal nerve
- Trigeminal and cervical plexus sensory nerves
- Ophthalmic division (V1)
- Maxillary division (V2)
- Mandibular division (V3)
- Cervical plexus branches
- Sensory innervation of the external ear
- Deep-to-superficial pathway of sensory nerve branches
- Perineural spread of skin cancer
- Sensory nerve branches and regions supplied
- Sensory innervation of the head and neck
- Sensory innervation of the head and neck (continued)
- Sensory innervation of the head and neck (continued)
Lymphatic Drainage of the Head and Neck
Where skin cancers of the face and scalp are most likely to spread first
- Lymphatic drainage and cutaneous malignancy spread
- Lymphatic drainage of the head and neck
- The path lymph takes out of the head and neck
- Parotid nodes
- Submandibular and submental nodes
- Lateral cervical nodes
- Clinical implications
- 15%
- Key takeaways
- References
- References (continued)
- References (continued)
- Dermatology, 5th Edition (2-Volume Set)