Head and Neck Flashcards
Basal cell carcinoma of the lip presents more commonly where?
upper lip
Imaging to detect medullary cavity invasion
MRI
Proceed with segmental mandibulecotmy
Nasopharynx drains to what group of lymph noeds?
V - posterior triangle
most common nasopharyngeal malignancy in the pediatric age group
lymphoma
most frequently involved site in recurrent respiratory papillomatosis
larynx
most common site of laryngeal granulomas
posterior larynx on the arytenoid mucosa
Reinke’s edema occur where
superficial lamina propria
Which vocal cord is more affected if anterior surgical approaches to the cervical spine are performed?
right
Cervical lymph node: submandibular
Ib
Cervical lymph node: jugulodigastric
IIa
boundaries of level III nodes
hyoid and cricoid
skip metastases occur with what kind of head and neck cancers?
oral cavity and lip
Involvement of level III and IV nodes without involvement of level I and II nodes
Neck dissection: thyroid cancer
posterolateral: II - V
Majority of the tumors of the parapharyngeal space arise anterior or posterior to the styloid process?
Salivary gland - anterior to styloid process
Neurogenic tumors - posterior to styloid process
Type of cancer associated with thyroglossal duct cyst
papillary
first branchial cleft
EAC, parotid gland
second branchial cleft
between ICA and ECA
tonsillar fossa
third branchial cleft
posterior to CCA
pyriform sinus
most common benign tumor of the salivary glands
pleomorphic adenoma
most common malignant epithelial neoplasm of the salivary glands
mucoepidermoid carcinoma
most common salivary gland site for stone formation
submandibular gland
most commonly injured nerve in rythidectomy
greater auricular nerve
not facial nerve
weight of normal thyroid gland
20 grams
loop of Galen may be injured when dissecting or ligating the __ thyroid artery
superior thyroid artery
aspiration is caused by injury to what nerve?
internal branch of superior laryngeal nerve
Von Graefe’s sign
lid lag
Dalrymple’s sign
scleral show
Lugol’s iodide solution is administered how many days preoperatively
7-10 days
3 drops BID
most patients on antithyroid drugs have improved symptoms in _ weeks and become euthyroid in _ weeks
most patients on antithyroid drugs have improved symptoms in TWO weeks and become euthyroid in SIX weeks
True or false: Plummer’s disease is malignant
toxic adenoma is not malignant
True or false: Staphylococcus account for majority of acute thyroiditis
Streptococcus
Majority of antibodies in chronic thyroiditis
A. Tg
B. TPO
C. TSH-R
TPO
True or false: Follicular carcinoma can be diagnosed by FNAB
Follicular carcinoma CANNOT be diagnosed by FNAB
Which has worse prognosis for MTC: MEN 2A or 2B?
MEN 2B
most common branchial cleft anomaly
second: tonsillar fossa
True or false: mucus retention cyst are due to ductal obstruction
rupture of ductal system
Mucus retention cyst involving the sublingual gland
ranula
Treatment for mucus retention cyst, no ulceration, no bleeding
excision
Treatment for mucus retention cyst, with ulceration and bleeding
marsupialization
Treatment for juvenile nasopharyngeal angiofibroma
angioembolization
Ameloblastoma arises from
dental lamina
Earliest mutation in head and neck cancers
p53
True or false: for early cancers of base of tongue, surgery is superior to radiotherapy + lymph node dissection
surgery is equal to radiotherapy + lymph node dissection
True or false: in supraglottic and glottic cancers, surgery may not be done in early stages
true
True or false: in subglottic cancers, surgery may not be done in early stages
surgery regardless of lymph node status
post-RAI patients will be euthyroid in
2 months
True or false: in recurrent acute thyroiditis, tonsillar fistula is suspected
pyriform sinus fistula
Diagnostic test for thyroid nodule with hyperthyroidism
RAI scan
Diagnostic test for thyroid nodule with hypothyroidism or euthyroid
FNAB
Cut-off for colloid nodule
3 cm
Most common malignancy that metastasizes to the thyroid
renal cell carcinoma
Thyroid lymphoma
non-Hodgkin B-cell type
Precursor of thyroid lymphoma
Hashimoto’s thyroiditis
Most common location of supernumerary parathyroid glands
thymus
