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Saturday, December 12, 2009

19 - Glomus tumor mcqs

1q: PHELPS sign is seen in ?
a. Glomus jugulare
b. Vestibular schwannoma
c. Meniere's disease
d. Neurofibromatosis



2q: A patient presents with bleeding from the ear. Ear pain, tinnitus and progressive deafness are associated. On examination there is a red swelling behind the intact tympanic membrane which blanches on pressure with pneumatic speculum. Management includes all except ?
a. Radiotherapy
b. Surgery
c. Interferons
d. Preop embolisation



3q: Which is the most pulsatile tumor found in external auditory meatus which bleeds on touch ?
a. Squamous cell carcinoma of pinna
b. Basal cell carcinoma
c. Adenoma
d. Glomus tumor



4q: Brown sign is seen in ?
a. Glomus tumor
b. Meniere's disease
c. Acoustic neuroma
d. Otosclerosis



5q: True about Glomus-jugulare tumor :
a. Most common in males
b. Arises from non-chromaffin cells
c. Lymph node metastasis is seen
d. Multicentric
e. Fluctuating tinnitus and conductive type of hearing loss is seen



6q: Most common bony tumor of middle ear is ?
a. Adenocarcinoma
b. Squamous cell carcinoma
c. Glomus tumor
d. Acoustic neuroma



7q: Treatment of middle ear malignancy include :
a. Excision of petrous part of temporal bone
b. Subcortical excision
c. Modified radical mastoidectomy
d. None



8q: The usual location of Glomus jugular tumor is ?
a. Epitympanum
b. Hypotympanum
c. Mastoidal cell
d. Promontory
e. Internal auditory meatus




9q: Pulsatile tinnitus in ear is due to ?
a. Malignant otitis media
b. Osteoma
c. Mastoid reservoirs
d. Glomus jugular tumor






Saturday, October 24, 2009

18 - Development and Growth of ParaNasal sinuses


SINUS
STATUS AT BIRTH
And First radiological evidence
GROWTH
Frontal sinus
Not present; First radiological evidence at 6 years of age
Invades frontal bone at the age of 4 years. Size increases until teens.
Sphenoid sinus
Not present; First radiological evidence at 4 years of age
Reaches sella turcica by the age of 7 years, dorsum sellae by late teens and basisphenoid by adult age. Reaches full size between 15 years to adult age.
Maxillary sinus
Present at birth; First radiological evidence at 4-5 months of age
Rapid growth from birth to 3 years and from 7-12 years. Adult size – 15 years .
Ethmoidal sinus
Present at birth
-Anterior group = 5x2x2mm
-Posterior group = 5x4x2 mm; First radiological evidence at 1 year of age
Reach adult size by 12 years


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