ENT chapter

ENT

Cholesteatoma and Chronic Otitis Media

80 practice questions · 35 study notes

Questions

QUESTION 41

Which pathological association accompanies the high complication risk of atticoantral chronic suppurative otitis media?

QUESTION 42

A patient has white chalky deposits over the middle ear ossicles and conductive deafness due to impaired ossicular mobility. Which tissue change underlies this condition?

QUESTION 43

Which route of epithelial entry into the middle ear is proposed by the epithelial invasion theory of cholesteatoma?

QUESTION 44

What is the primary aim of surgery for cholesteatoma?

QUESTION 45

Which local characteristic of a cholesteatoma supports a trial of conservative treatment?

QUESTION 46

How does a tympanic membrane retraction pocket change as it becomes deep?

QUESTION 47

Which middle ear finding characterizes stage IV tympanic membrane retraction?

QUESTION 48

Why is long-term follow-up essential after a canal wall up procedure for cholesteatoma?

QUESTION 49

Which cells liberate the enzymes implicated in bone destruction associated with cholesteatoma?

QUESTION 50

Tubotympanic disease occurring as a sequela of acute otitis media after an exanthematous fever typically leaves which perforation?

QUESTION 51

Which combination contributes to the higher incidence of chronic suppurative otitis media in developing countries?

QUESTION 52

An attic cholesteatoma extends backwards. Which structures lie along this route of extension?

QUESTION 53

What is the sequence by which cholesteatoma invades surrounding structures after entering the middle ear cleft?

QUESTION 54

What change at the edges of a tympanic membrane perforation makes it permanent?

QUESTION 55

A child with tubotympanic disease has persistent mucoid otorrhoea associated with allergy to milk, eggs or fish. Which aetiological factor explains this association?

QUESTION 56

The presence of which type of epithelium in the middle ear or mastoid constitutes a cholesteatoma?

QUESTION 57

What are the stated overall prevalence rates of chronic suppurative otitis media in India's rural and urban populations, respectively?

QUESTION 58

A patient has a long-standing infection involving the middle ear cleft, with ear discharge and a permanent tympanic membrane perforation. What is the diagnosis?

QUESTION 59

Which postoperative meatal appearance characterizes a canal wall down procedure?

QUESTION 60

Which anatomical feature can make hearing aid fitting difficult after a canal wall down procedure?

QUESTION 61

Which part of the middle ear cleft is involved in atticoantral CSOM?

QUESTION 62

A patient has a permanent pars tensa perforation with uninflamed middle ear mucosa and no ear discharge. How is this mucosal middle ear disease classified?

QUESTION 63

Why is swimming curtailed after a canal wall down procedure?

QUESTION 64

Which tympanic membrane perforation is characteristic of tubotympanic CSOM?

QUESTION 65

Which combination of aural polyp appearance and cholesteatoma status characterizes atticoantral CSOM?

QUESTION 66

What is the stated relationship between a sclerotic mastoid and atticoantral disease?

QUESTION 67

Which organism is listed among the anaerobes found in pus cultures from CSOM?

QUESTION 68

In healed chronic otitis media, what makes the tympanic membrane easily retractable when middle ear pressure becomes negative?