ENT Flashcards
Wall of Pharynx?
Mucosa
Pharyngo Basilar Fascia
Muscular
Buccopharyngeal Fascia
Ring formed by joining of the tonsils?
Waldeyers Ring
How many Crypts are present on Palantine Tonsil?
12-15 crypts
Longest crypt on Palantine Tonsil is called?
Crypta Magna
Two folds of the Palatine Tonsil?
Plica Semilunaris
Plica Triangularis
Palantine tonsils are lined by?
Non Kerat Sq Epi
Adenoids are lined by?
Ciliated Col Epithilium
Choana is?
Opening btw nose and nasopharynx
Causes of Choanal Atresia?
Congenital Defects :
Bucconasal Membrane or Oronasal Membrane
Charge Syndrome
Rx of B/L and Complete Choanal Atresia?
McGoverns Technique
Tumor arising from Sphenopalantine Foramen?
Juvenile Nasopharyngeal Angiofibroma
Juvenile Nasopharynx arises from?
Sphenopalatine Foramen
Tumor arising from Fossa of Rosenmuller?
Nasopharyngeal Carcinoma
Nasopharyngeal Carcinoma arises from?
Fossa of Rosenmuller
Craniopharyngioma arises from?
Rathke’s Pouch
Nasopharyngeal carcinoma caused by?
EB virus
Genetics
Nitrosamine-smoked fish
Trotters Triad is seen in?
Nasopharyngeal Carcinoma
Triad:
Soft Palate palsy
Hearing Loss
Facial Pain
Most radio sensitive treatment site is?
Nasopharyngeal Carcinoma
Tumor of Nasopharynx seen in Juvenile (10-16) Male only
Juvenile Nasopharyngeal Angiofibroma (JNA)
Juvenile Nasopharyngeal Angiofibroma CF?
Epistaxis Nasal blockage, discharge(rhinorrhea), anosmia Cheek Swelling Proptosis Hearing Loss/ Glue ear Antral Sign/Holman Milar Sign Frog face deformity
Antral/Holman Millar Sign?
Anterior bowing of posterior maxillary wall.
Nerve supply of Anterior 2/3 of tongue?
Sensory and Taste
Sensory: Lingual N V3
Taste: Chorda tympani
Nerve supply of posterior 2/3 of tongue?
Sensory and Taste
Glossopharyngeal N (CN IX)
Nerves of the tongue go to the nuclei?
Tractus solitarius
Nerve supply of Palantine Tonsils?
IX (Glossopharyngeal)
Type of Tonsilitis caused by Viral Infection?
Catarrhal
Type of Tonsilitis caused by Bacterial Infection?
Causative organism?
(GABHS/Strep pyogens)
Follicular
Membraneous
Parenchymetos
Position of patient during Tonsillectomy?
Rose Position
Instrument used for tonsillectomy?
Eve’s Tonsilar Snare
Instrument used for adenoidectomy ?
St. Clare Thompson Adenoid Currette
Lastest and Best Method for Tonsillectomy?
CO Ablation Radiotherapy
Bleeding of Tonsillectomy happening within _____ is called primary?
During the time of surgery
Bleeding of Tonsillectomy happening within _____ is called reactionary?
Within 24 hours of surgery
Bleeding of Tonsillectomy happening within _____ is called secondary?
After 24hrs
Mostly during 5-8th day
Which joints are dislocated during Tonsillectomy?
Temperomandubular Joint
Atlanto Axial Joint (Grisel Syndrome)
Dislodgement of clot or loosening of Ligation bleeding after tonsillectomy is characterized as?
Reactionary Bleeding
Secondary Bleeding Rx?
Ligation and GA
Quincy aka Peritonsillar Abscess is mostly formed in________ and __________?
Capsule
Superior Constrictor Muscle (Bed of Tonsil)
Rx for Quincy due to GABHS?
Immediate Incision and Drainage
Followed by Interval Tonsillectomy (After 6 weeks)
Eagles Disease?
Styloid Process enlarged > 2.5cm
Throat Pain
Eagles Disease Rx?
Tonsillectomy and excision of styloid process
Parts of Hypopharynx?
Pyriform Fossa
Post Cricoid Area
Post Pharyngeal Wall
Glottis is lined by?
Sq. Epithelium
Adult Glottis lies at?
C3-C6
Infantile Glottis lies at?
C2-C3
Narrowest Part of Larynx for:
Adults?
Infants?
Adult: Glottis
Infants: SubGlottis
In Larynx, Boot shaped Cartilage is?
Arytenoid
In larynx, Signet Ring Shaped Cartilage is?
Cricoid Cartilage
In larynx, C shaped/Butterfly Shaped Cartilage is?
Thyroid Cartilage
In larynx, Long Leaf Shaped Cartilage is?
Epiglottis
Main tensor muscle of Glottis?
Cricothyroid
Pure Adductors of Larynx?
Lat. Cricoarytenoid
Intermediate Arytenoid
Main Adductors in sound production?
Lat. Cricoarytenoid
Intermediate Arytenoid
Thyroarytenoid
Sensory N to Supraglottis area?
Internal Laryngeal N
Motor N to Cricothyroid Muscle?
External Laryngeal N
Recurrent Laryngeal N supplies to____?
Sensory to Subglottis
All muscles, except Cricothyroid
MC congental disease of Larynx?
Laryngo Malacia
MCC of stridor in infants?
Laryngo Malacia
Larynglomalacia causing stridor in infants increases in _______ position?
Increases in supine position
Omega Shaped Epiglottis is seen in Laryngoscopy of?
Congenital Laryngo Malacia
Hidden areas of Larynx?
Can be seen using?
Seen using Direct Laryngoscopy
Ant. Commissure
Piriform fossa
Subglottic Stenosis is graded or classified using?
Myer Cotton Grading
Vocal Cord Palsy combined with Cardiomegaly is called?
Orteners
MCC of Vocal Cord Palsy?
Thyroidectomy Surgery(Trauma)
Unilateral Abductor Palsy in Sound Production causes?
Horseness to Normal Voice
B/L Abductor Palsy in sound production causes?
Good Voice
But Dyspnea
Unilateral Adductor Palsy in Sound Production causes?
Horseness ± Aspiration
B/L Adductor Palsy in Sound Production causes?
Aphonia + Aspiration