PTG 105-Exam 4-ENT 3
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What are the potential causes of presbycusis?
- Loud noises
- Changes in blood supply due to heart disease, high BP or diabetes
Fixation of small bones in the middle ear that conduct sound from the eardrum o the inner ear
What is the cause of Otosclerosis?
What is the treatment for Otosclerosis?
What are the causes of ENT neoplasia?
What is the most frequent ENT malignancy?
Squamous cell carcinoma
What are the symptoms of ENT tumors?
- Obstruct ion
- Voice change
What cancer makes of 95% of all cancers in the head and neck?
Squamous cell carcinoma
What is the incidence of Squamous cell carcinoma?
95% of all head and neck cancers
Is Squamous cell carcinoma aggressive?
What are the common areas for Squamous cell carcinoma?
- Under tongue
- Floor of mouth
- Lower lip
- Soft palate
Where is the most common general site for ENT squamous cell carcinoma?
What is the etiology of squamous cell carcinoma?
- UV light
What are the general symptoms of ENT squamous cell carcinoma?
Describe the appearance of squamous cell carcinoma in early stages?
- Raised, firm pearly plaques
- Irregular roughened verrucous mucosal thickening
Describe the appearance of Squamous cell carcinoma in later stages?
Ulcerated protruding masses with irregular, firm and rolled borders
Where does Squamous cell carcinoma usually metastasize to?
- Neck lymph nodes
- Distant lymph nodes
- Anterior chest cavity
What is the prognosis for Squamous cell carcinoma of the ENT?
Poor <50% survival rate
What is the histological appearance of Squamous cell Carcinoma?
Keratin pearl formation
What is another term for conjunctivitis?
What is another term for pink eye?
What is Conjunctivitis?
Inflammation of the mucous membrane of the eye or eyelid
What is the term for inflammation of the mucus membrane covering the eye or eyelid?
What are the causes of conjunctivitis?
What are the symptoms of conjunctivitis?
- Bloodshot, watery eyes
- Burning scratchy sandy eyes
What is the main symptom of allergic conjunctivitis?
What are the symptoms of infectious conjunctivitis?
- Sandy eyes
What is the treatment for bacterial conjunctivitis?
What is the treatment for viral conjunctivitis?
None, Spontaneous cure
What is the treatment for Allergic conjunctivitis?
What causes Keratitis or Corneal ulcers?
What protozoon causes Keratitis ad corneal ulcers?
What can Acanthameba cause in the ENT area?
What virus is particularly causative of Keratitis ad Corneal ulcers?
What are signs of Viral Keratitis or corneal ulcers?
- Dendritic ulcers (branching)
- Blisters on eyelid
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