General II Flashcards
Likelihood of cancer if FNA shows “follicular neoplasm”
20%
0-6mo audiometry method
Behavioral-Observational audiometry
6-30mo audiometry method
Visual Reinforcement audiometry
Over 30mo audiometry method
Conditioned play audiometry
What foods are associated with latex allergy?
Bananas
Avocados
Kiwis
Chestnuts
When should ENoG be performed after facial paralysis?
72h-2w
What does the ultimobranchial body develop into?
Parafollicular thyroid cells (calcitonin)
What are the Dix-Hallpike findings for BPPV?
With ipsilateral head turn: rotary nystagmus lasting less than 60 seconds
Histologic changes following tissue expansion
Increased epidermis
Decreased dermis & subQ
What Fitzpatrick skin type offers better laser efficacy?
Fitzpatrick I (fair skin)
What is seen in rocker deformity?
Following nasal osteotomies, the inferior bone sinks deep to the superior, creating a stepoff
What causes rocker deformity?
Carrying osteotomies superior to the medial canthus
What kind of hearing loss is seen with superior semicircular Canal dehiscence?
CHL
What nerve carries parasympathetics to synapse in the parotid gland?
Auriculotemporal
Goes from otic ganglion to parotid
What is the risk of malignancy for “suspected malignancy” on FNA?
60-75%
What is the serum calcium cutoff for an indication for parathyroidectomy in primary hyperparathyroidism?
1mg/dL above upper limit of normal
What is the CrCl cutoff for an indication for parathyroidectomy in primary hyperparathyroidism?
30% reduction in CrCl with no other cause
What is the age cutoff for an indication for parathyroidectomy in primary hyperparathyroidism?
Under 50y
What is the 24h urinary calcium cutoff for an indication for parathyroidectomy in primary hyperparathyroidism?
400 mg/dL
What is the bone mineral density cutoff for an indication for parathyroidectomy in primary hyperparathyroidism?
Under 2.5 standard deviations
What is the causative organism in oral hairy leukoplakia?
EBV
What is seen in CHARGE syndrome?
Coloboma Heart defect Atresia (choanal) Retardation (of growth) GU defect Ear defect
How should pregnant women with hyperthyroidism be treated?
1st trimester - PTU
2/3 trimester - Methimazole
What childhood food allergy is least likely to resolve?
Tree nuts
then peanuts
What is seen in Cogan syndrome?
Interstitial keratitis
SNHL
What is seen in Usher syndrome?
Retinitis pigmentosa
HL
Vestibular dysfunction
What is seen in Vogt Koyanagi Harada syndrome?
Hearing loss
Pigment changes around eyes
Loss of eyelashes
What is the full path of parasympathetics to the parotid?
Inferior salivatory nucleus CNIX Jacobson's n. Lesser petrosal n. Otic ganglion Auriculotemporal n. Parotid
What is the most common membranous aplasia of the inner ear?
Cochleosaccular aplasia (Sheibe’s anomaly)
Profound SNHL, CT normal
What does T3 on melanoma indicate?
2-4mm thickness
What is the N-staging for melanoma (with a/b/c)?
N1 = One node N2 = 2-3 nodes N3 = 4+ nodes
a = occult nodes b = clinical nodes c = satellite lesions or in-transit
What disease shows Reed-Sternberg cells?
Hodgkin lymphoma
big owl eyes
What nasal lesion shows foamy histiocytes and plasma cells?
Rhinoscleroma
Mikulics cells and Russell bodies
What are the allergic cytokines?
IL-4, IL-5, IL-13
What is an abnormal SP/AP ratio?
Over 0.4
Can indicate third window (PLF/SSCD) or Meniere’s.
What tests can diagnose SCCD?
ECoG = high AP/AP cVEMP = low threshold
What is the cutoff for abnormal cVEMP?
Less than 65 dB cutoff
Which direction does the cochlear aqueduct run?
Parallel to IAC
Which direction does the vestibular aqueduct run?
Perpendicular to IAC
What does the cochlear aqueduct connect and contain?
Cochlea to subarachnoid space
Contains perilymph
What does the vestibular aqueduct connect and contain?
Saccule to endolymphatic sac
Contains endolymph
What is the adult dose of epi for anaphylaxis?
0.3-0.5mL of 1:1000
What is the peds dose of epi for anaphylaxis?
0.01-0.03 mg/kg
or
0.1-0.3 mL of 1:1000
Most common bug in pediatric neck abscesses
Staph
What is the staging for anaplastic thyroid cancer?
IVa = within thyroid IVb = extrathyroidal extension or regional mets IVc = distant mets
What is seen in DiGeorge syndrome?
Cardiac anomalies (ToF) Abnormal facies (hypertelorism, VPI) Thymic aplasia Cleft palate Hypocalcemia (hypoparathyroidism) 22