Max sinus in disease and trauma

Question 1

The largest para-nasal sinuses.

Located in the maxilla.

Is pyramidal in shape.

The Lateral nasal bone forms its base.

Answer 1

Max sinus

Question 2

Speech and voice resonance.

Reduces weight of skull. 
 
Warms the inspired air. 
 
 Filtration of inspired air. 
 
Immunologic barrier ( body defense).

Answer 2

Max sinus function

Question 3

Does the max sinus increase or decrease in size as you age?

Answer 3

Increases in size

Question 4

Ma x sinus is Divided into several compartments by ______

Answer 4

bony septa (Underwood’s septa)

Question 5

Opens at postero-inferior end of semi lunar hiatus lying in the middle meatus

Answer 5

Ostium

Question 6

What structures in the max sinus are important for function if the ostium is positioned more superiorly to allow the sinus to drain properly?

Answer 6

Functional cilia

Question 7

The _______ is the membranous lining of the maxillary sinus cavity.

Answer 7

Schneiderian membrane

Question 8

(Schneiderian membrane) Microscopically there is a bilaminar membrane with mucous secreting pseudostratified
ciliated columnar epithelial cells on the internal side and _______ on the osseous side.

Answer 8

periosteum

Question 9

(Schneiderian membrane) Microscopically there is a bilaminar membrane with mucous secreting _____ cells on the internal side and periosteum on the osseous side.

Answer 9

pseudostratified
ciliated columnar epithelial cells

Question 10

Schneiderian membrane lining contains ____ which contribute to pneumatisation

Answer 10

Osteoclasts

Question 11

Cilia can become paralyzed during ________; sinuses are congested with mucus

Answer 11

Acute sinusitis

Question 12

_____ may further damage cilia; the mucosal lining becomes thick and scarred

Answer 12

Chronic sinusitis

Question 13

What is the gold standard x ray view of sinuses?

Answer 13

Water’s view

Question 14

What is the best imaging modality to assess max sinus?

Answer 14

CBCT

Question 15

About __% of inflammatory episodes are extensions of dental infections.

Answer 15

10%

Question 16

What is the time period for acute sinusitis?

Answer 16

<2 weeks

Question 17

What is the time period for subacute sinusitis?

Answer 17

2 weeks to 3 months

Question 18

What is the time period for chronic sinusitis?

Answer 18

More than 3 months

Question 19

Signs and Symptoms of ______:
Headache.
Pain and tenderness.
Nasal obstruction.
Nasal discharge.
Toxic manifestations.
Heavy filling with bending.
Nasal congestion.

Answer 19

Acute sinusitis

Question 20

What abx is given to sinus infection pt? What bacteria types are taken care of with this med?

Answer 20

Augmentin; pneumococcal and streptococcal

Question 21

It is a chronic type of infection that affects the mucosal lining of one or both sinuses, resulting in mucous or pus collection.
Greater than 3 months in duration

Answer 21

Chronic sinusitis

Question 22

Signs and symptoms of ______:
Headache.

Nasal obstruction

Nasal discharge.

Fatigue.

Hyposmia/ Anosmia.

Answer 22

Chronic max sinusitis

Question 23

It is an opportunistic infection caused by maxillary
sinus flora fungi called as “Aspergillosis fumigatus” in
an susceptible individual (low immunity).

This  leads to obliteration of the sinus space and erosion  of its bony components. 
 
Treatment is essentially surgical removal of the  associated lesion from the maxillary sinus.

Answer 23

Aspergillosis

Question 24

Expanding, Destructive lesion that results from blocked ostium of a sinus.

Answer 24

Mucocele

Question 25

Horizontal fracture through the maxilla above the level of the nasal floor and alveolar process

Piriform rims
Anterior maxilla
Zygomatic buttresses
Pterygoid plates

Answer 25

Leforte 1 fracture