Neck Masses Flashcards
What is the only muscle of the larynx that is not supplied by the recurrent laryngeal nerve? What is it supplied by?
- Cricothyroid muscle
- External branch of the superior laryngeal nerve (branch of CN X)
What are the boundaries of the occipital triangle?
- Trap
- SCM
- Omohyoid
What are the boundaries of the submental triangle?
- Anterior digastric
- Mandible
What are the boundaries of the submandibular triangle?
- Ant digastric
- Post digastric
- Mandible
What are the boundaries of the carotid triangle?
- Omohyoid
- SCM
- Stylohyoid
What are the boundaries of the muscular triangle?
- SCM
- Omohyoid
- Midline
What are the boundaries of the subclavian triangle?
- Clavicle
- SCM
- Trap
Who in particular can feel their carotid bulb?
People who lose weight
Where are lymphatic areas II, III, and IV in the neck?
Along the SCM from superior to inferior, and transecting it into thirds
Where is the lymphatic area I in the neck?
Submental /submandibular triangle
Where is the lymphatic area VI in the neck?
Muscular triangle
Where is the lymphatic area V in the neck?
Posterior triangle
What percent of neck masses in kids 0-15 years are benign?
90%
What is the “rule of 80s” for adults greater than 40 yo in terms of neck masses?
80% of neck masses are neoplasms, and 80% of those are malignant
Upper jugular chain masses are mets from where? (1)
Nasopharynx
Mets in the posterior triangle are from where? (4)
- Nasopharynx
- Ear
- Temporal bone
- Skull base
Mets in the lower jugular chain are from where? (2)
Upper esophagus or thyroid
Mets in the submandibular triangle are from where? (3)
- Anterior 2/3 of tongue
- Floor of
- Cheek
Mets in the Submental area are from where?
Lip
Mets in the mid jugular chain area are from where? (3)
Any portion of the oral cavity, pharynx, or larynx
What are the risk factors for developing head and neck cancers?
- Chronic sun exposure
- Poor dentition
- Smoking/EtOH use
What is the classic presentation of a cancerous lesion in the oral or nasopharynx? (5)
- Nonhealing ulcer
- Persistent sore throat
- Dysphagia
- Change in voice
- Otalgia with exam
Where in particular should you assess when suspecting a neck neoplasm?
- Tonsillar fossa
- Pharynx and larynx with a fundoscope
What are ways that can aid you in assessing for neoplasms in the head and neck?
Rotation in both flexion and extension