neck pathologies

Question 1

structure at risk during thyroidectomy

EXTERNAL LARYNGEAL NERVE

Answer 1

• Supplies cricothyroid –
• Cricothyroid tenses vocal cords= allows u to project your voice, sing and do high pitch
• => if u cut it= weak voice, cant sing, lower pitch

Question 2

structure at risk during thyroidectomy

RECURRENT LARYNGEAL NERVE

Answer 2

• supplies all muscles of larynx except circothyroid
• if cut one recurrent laryngeal nerve= hoarse voice
• if cut both recurrent laryngeal nerves= muscles cant open airway= airway obstruction needing tracheostomy

Question 3

structure at risk during thyroidectomy

PARATHYROID GLANDS

Answer 3

Get hypocalcaemia

Question 4

Parotid gland

From superficial to deep:

Answer 4

• facial nerve
• retomandibular vein
• external carotid artery
• lymph nodes

Question 5

SUBMANDIBULAR GLAND

Answer 5

the gland that wedges onto mylohyoid

Question 6

SUBMANDIBULAR GLAND

surgery

Answer 6

lingual nerve at risk

Mandibular branch of facial nerve at risk

Question 7

virchows nodes

Answer 7

• wen this node is enlarged, typically indicates pancreatic cancer.
• troisier’s sign=the finding of an enlarged virchow’s node

in the left supraclavicular fossa ( the area above the left clavicle) that drains head, neck, chest, intra-abdominal and thoracic organs.