Image Analysis 2

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Last updated 7:25 PM on 4/22/26
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402 Terms

1
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Ethmoid Sinus

E

<p>E</p>
2
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Sphenoid Sinus

S

<p>S</p>
3
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Maxillary Sinus

M

<p>M</p>
4
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Frontal Sinus

F

<p>F</p>
5
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Lateral Sinuses

What projection is this?

<p>What projection is this?</p>
6
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Midway between the EAM and the outer canthus

What is the CR for Lateral Sinuses?

<p>What is the CR for Lateral Sinuses?</p>
7
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Ethmoid

Sphenoid

Frontal

Maxillary

What sinuses are demonstrated on a Lateral sinuses radiograph?

<p>What sinuses are demonstrated on a Lateral sinuses radiograph?</p>
8
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Interpupillary line (IPL)

What line should be perpendicular to the IR for Lateral Sinuses?

<p>What line should be perpendicular to the IR for Lateral Sinuses?</p>
9
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Midsagittal plane (MSP)

Orbitomeatal line (OML)

What lines should be parallel to the IR for Lateral Sinuses ?

<p>What lines should be parallel to the IR for Lateral Sinuses ?</p>
10
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Ethmoid Sinus

E

<p>E</p>
11
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Sphenoid sinus

S

<p>S</p>
12
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Maxillary sinus

M

<p>M</p>
13
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Frontal sinus

F

<p>F</p>
14
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PA axial (Caldwell Method)

What projection is this?

<p>What projection is this?</p>
15
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CR exits the nasion & 15 degree caudal angle

What is the CR for PA axial (Caldwell Method)?

<p>What is the CR for PA axial (Caldwell Method)?</p>
16
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OML perpendicular to IR

What line should be perpendicular to the IR for a PA axial (Caldwell Method)?

<p>What line should be perpendicular to the IR for a PA axial (Caldwell Method)?</p>
17
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Interpupillary line (IPL)

What line is parallel to the IR for a PA axial (Caldwell Method)?

<p>What line is parallel to the IR for a PA axial (Caldwell Method)?</p>
18
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Frontal and Ethmoid

What sinuses are clearly demonstrated on the PA axial (Caldwell Method)?

<p>What sinuses are clearly demonstrated on the PA axial (Caldwell Method)?</p>
19
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Lower 1/3 of orbits

Where are the petrous ridges located in a PA axial (Caldwell Method) radiograph?

<p>Where are the petrous ridges located in a PA axial (Caldwell Method) radiograph?</p>
20
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Frontal Sinuses

A

<p>A</p>
21
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Ethmoid Sinuses

B

<p>B</p>
22
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Maxillary Sinus

C

<p>C</p>
23
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Petrous ridge

D

<p>D</p>
24
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Mastoid air cells

E

<p>E</p>
25
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Parietoacanthial (Waters Method)

What projection is this?

<p>What projection is this?</p>
26
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CR to exit at acanthion

What is the CR for the Parietoacanthial (Waters Method)?

<p>What is the CR for the Parietoacanthial (Waters Method)?</p>
27
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MML perpendicular to IR

What line should be perpendicular to the IR on a Parietoacanthial (Waters Method)?

<p>What line should be perpendicular to the IR on a Parietoacanthial (Waters Method)?</p>
28
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Maxillary Sinuses

What sinuses are best demonstrated on the Parietoacanthial (Waters Method)?

<p>What sinuses are best demonstrated on the Parietoacanthial (Waters Method)?</p>
29
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37 degree angle from IR plane

What angle should the OML be at for a Parietoacanthial (Waters Method)?

<p>What angle should the OML be at for a Parietoacanthial (Waters Method)?</p>
30
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Equidistant lateral border of skull and lateral borders of the orbits

How do we look for rotation/tilt for the PA Caldwell or Waters?

31
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Pretrous ridges lie inferior to maxillary floor

Where do the petrous ridges (pyramids) lie on a Waters radiograph?

32
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Maxillary sinus

A

<p>A</p>
33
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Ethmoid air cells

B

<p>B</p>
34
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Mandible

C

<p>C</p>
35
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Sphenoid Sinus

D

<p>D</p>
36
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Foramen spinosum

E

<p>E</p>
37
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Mandibular condyle

F

<p>F</p>
38
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Dens or odontoid process

G

<p>G</p>
39
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Petrosa

H

<p>H</p>
40
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Mastoid process

I

<p>I</p>
41
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Occipital bone

J

<p>J</p>
42
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Submentovertex (or vertical) SMV

What projection is this?

<p>What projection is this?</p>
43
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CR - perpendicular to IOML

enters 1-1 1/2 inch below the mentum

What is the CR for the SMV?

<p>What is the CR for the SMV?</p>
44
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Infraorbital meatal line (IOML)

What line is parallel to the IR for the SMV?

<p>What line is parallel to the IR for the SMV?</p>
45
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Basal view because it demonstrates the base of the skull

What is the SMV known as and why?

<p>What is the SMV known as and why?</p>
46
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Sphenoid and ethmoid

What sinuses are best demonstrated on an SMV?

<p>What sinuses are best demonstrated on an SMV?</p>
47
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Look for equidistant lateral border of skull to mandibular condyles

How do we look for rotation/tilt on an SMV radiograph?

<p>How do we look for rotation/tilt on an SMV radiograph?</p>
48
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Lateral (affected side only)

PA Caldwell

Waters

SMV

What are the routine projections for sinuses?

49
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Parietoacanthial transoral (Open-Mouth Waters Method)

What is the specialty projection for sinuses?

50
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Maxillary sinus

A

<p>A</p>
51
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Upper teeth

B

<p>B</p>
52
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Sphenoid sinuses

C

<p>C</p>
53
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Lower teeth

D

<p>D</p>
54
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Parietoacanthial Transoral (Open-Mouth Waters)

What projection is this?

<p>What projection is this?</p>
55
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Lips-meatal line (LML)

What line is perpendicular to the IR for PA Transoral (Open-Mouth Waters)?

<p>What line is perpendicular to the IR for PA Transoral (Open-Mouth Waters)?</p>
56
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CR exit at acanthion

What is the CR for a PA Transoral (Open-Mouth Waters)?

<p>What is the CR for a PA Transoral (Open-Mouth Waters)?</p>
57
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AP axial (Townes Method)

PA or PA axial (Caldwell Method)

Lateral (Both)

Submentovertex (SMV)

What are the routine projections for the skull?

58
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PA Haas

What is the special projection for the skull?

59
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Alternate position to the AP axial

When would we use the PA Haas?

60
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Dorsum sellae

A

<p>A</p>
61
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Posterior clinoid process

B

<p>B</p>
62
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Petrous ridge

C

<p>C</p>
63
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Foramen magnum

D

<p>D</p>
64
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Occipital bone

E

<p>E</p>
65
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Parietal bone

F

<p>F</p>
66
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AP axial (Townes Method)

What projection is this?

<p>What projection is this?</p>
67
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CR angled - 30 degree caudad to OML or 37 degree caudad to IOML

CR placement - 2 1/2 inches above the glabella (at hair line)

What is the CR for the AP axial (Townes)?

<p>What is the CR for the AP axial (Townes)?</p>
68
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OML (preferred) or IOML

What line should be perpendicular to the IR?

<p>What line should be perpendicular to the IR?</p>
69
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Dorsum sellae and posterior clinoid processes projected within the foramen magnum

What is demonstrated on the AP axial (Townes)?

<p>What is demonstrated on the AP axial (Townes)?</p>
70
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Equidistant from lateral borders of skull to lateral margin of foramen

Symmetric petrous ridges

How do we look for rotation on an AP axial (Townes) radiograph?

<p>How do we look for rotation on an AP axial (Townes) radiograph?</p>
71
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Coronal Suture

A

<p>A</p>
72
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Orbital roof

B

<p>B</p>
73
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Sella turcica

C

<p>C</p>
74
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Sphenoid sinus

D

<p>D</p>
75
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Petrous portion of temporal bone

E

<p>E</p>
76
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Temporomandibular joint

F (jt)

<p>F (jt)</p>
77
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EAM

G

<p>G</p>
78
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Mandibular rami

H

<p>H</p>
79
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Lateral Skull

What projection is this?

<p>What projection is this?</p>
80
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CR 2 inches superior to EAM

What is the CR for a lateral skull?

<p>What is the CR for a lateral skull?</p>
81
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Interpupillary line (IPL)

What line is perpendicular to the IR for a lateral skull?

<p>What line is perpendicular to the IR for a lateral skull?</p>
82
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IOML and MSP

What line is parallel to the IR?

<p>What line is parallel to the IR?</p>
83
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BOTH!

What lateral do we do for a skull?

<p>What lateral do we do for a skull?</p>
84
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Parietal bone

A

<p>A</p>
85
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Frontal bone

B

<p>B</p>
86
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Dorsum sella

C

<p>C</p>
87
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Supraorbital margin

D

<p>D</p>
88
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Petrous ridge

E

<p>E</p>
89
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Crista galli

F

<p>F</p>
90
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Ethmoidal sinus

G

<p>G</p>
91
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PA Skull

What projection is this?

<p>What projection is this?</p>
92
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Orbits fill the petrous ridges

How can we tell this is a PA skull?

<p>How can we tell this is a PA skull?</p>
93
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CR to exit the nasion

What is the CR for a PA or PA axial (Caldwell) skull?

94
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OML perpendicular to IR

What line should be perpendicular to the IR for a PA or PA axial (Caldwell) skull?

95
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Frontal sinus

A

<p>A</p>
96
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Crista galli

B

<p>B</p>
97
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Superior orbital margin

C

<p>C</p>
98
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Superior orbital fissure

D

<p>D</p>
99
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Ethmoid sinus

E

<p>E</p>
100
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Petrous ridge

F

<p>F</p>