Head And Neck Flashcards
lymphatic drainage from the middle and posterior third of the tongue
submandibular and internal jugular nodes
most common cause of laryngeal stenosis
Trauma
MC thyroid ca
Papillary thyroid ca
Supraomohyoid neck dissection
Removes
LN level 1-3
SMG
MRND Type I
Preserves _______
CN XI
MRND type II
Preserves
CN XI
SCM
MRND type III
Preserves _____
CN XI
SCM
IJ
Radical neck dissection
Preserves
None
Radical neck dissection
Removes the ______
CN XI
IJ
SCM
SMG
*CISS
Extended Supraomohyoid neck dissection
Removes
LN level 1-4
SMG
Removal of LN level 2-4
Jugular / Anterolateral neck dissection
Removes LN level 2-5
Posterolateral neck dissection
Removes LN level 6-7
Central neck dissection
LN dissection for oral cavity ca
Level I-III
LN dissection for oropharyngeal ca
Level II-IV
LN dissection for ca of larynx
LN level II-IV, VI
MC parotid Ca
Mucoepidermoid
A 2nd tumor detected w/in 6 mos of the diagnosis of initial primary lesion
Synchronous neoplasm
A 2nd tumor detected more than 6 mos of the diagnosis of initial primary lesion
Metachronous neoplasm
MC location of lip ca
Lower lip
Basal cell ca more frequently presents in:
Upper lip or lower lip
Upper lip
Lip cancer:
Paresthesia in area of lesion
Mental nerve involvement
Cervical dysphasia
Iron deficiency anemia
Atrophic oral mucosa
Brittle spoon finger nails
Plummer Vinson syndrome
Tongue ca:
Ipsilateral paresthesia
Lingual nerve
Tongue ca:
Tongue deviation and fasciculations
Hypoglossal nerve
Tongue ca
Location: base of the tongue
Tx?
Partial glossectomy + SOND
*MRND if (+)LN
Tongue ca:
T1-2
Tx?
Wide excision
Alveolar or gingival ca with minimal bone invasion
Tx?
Mandibular resection
Alveolar or gingival ca with medullary cavity invasion
Tx?
Segmental mandibulectomy
MC nasopharyngeal malignancy in adults
Squamous cell ca
MC nasopharyngeal malignancy in pedia
Lymphoma
Asymmetrical enlargement of tonsils and tongue base
Dx?
Lymphoma
Tongue ca
Location: base, crossing the midline
Tx?
Total glossectomy + possible total laryngectomy
Thyroglossal duct cyst
Tx?
Sistrunk procedure
Thyroglossal duct cyst
Tx?
Sistrunk procedure
MC benign neoplasm of the salivary gland
Pleomorphic adenoma
MC nerve injured in Parotid surgery
Greater auricular nerve
Numbness lower portion of auricles and preauricular area
Greater auricular nerve
Frey syndrome
What nerve?
Auriculo temporal nerve
EBV infection
What head and neck ca?
Nasopharyngeal ca
(+) Level V cervical LN
What head and neck ca?
Nasopharyngeal ca
Innervates the cricothyroid muscles
Ext Laryngeal nerve
Innervates the intrinsic muscles of the larynx
RLN
Injury to RLN, the vocal cord is _____
ABDucted (ineffective cough)
Injury leads to inability to hit HIGH NOTES
external branch of SUPERIOR Laryngeal nerve
Calcitonin
Wat thyroid dx?
Medullary Thyroid ca
Thyroid ca:
C cells
Medullary thyroid ca
Thyroid ca:
parafollicular cells
Medullary Thyroid Ca
autoimmune hyperthyroidism
Grave’s disease
Thyroid stimulating antibodies
Grave’s disease
subacute thyroiditis
De Quervain’s thyroiditis
URTI + painful thyroid
De Quervain’s thyroiditis
Chronic Thyroiditis
Hashimoto’s thyroiditis
patho: Hurthle cells
Dx?
Hashimoto’s thyroiditis
patho: Askanazy cells
Dx?
Hashimoto’s thyroiditis
hard woody thyroid
Reidel’s thyroiditis
RET proto oncogene
Medullary Thyroid Ca
orphan Annie nuclei
Papillary thyroid Ca
Psammoma bodies
Papillary thyroid ca
Thyroid ca
hematogenous spread
Follicular Thyroid Ca
Thyroid mass
scalp mass
skull mass
bone lesions
lung mass
Follicular Thyroid Ca
Medullary thyroid ca
pheochromocytoma
parathyroid hyperplasia
MEN 2 A
Medullary Thyroid Ca
pheochromocytoma
neuroma
MEN 2 B
Thyroid mass
patho: Amyloid
Medullary thyroid ca
Thyroid mass
Patho: giant multinucleated cells
spindle cells
Anaplastic