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Diagnostic Imaging > ROENTGENOMETRICS > Flashcards

ROENTGENOMETRICS Flashcards

1
Q

Normal range of Sella Turica

A

16x22mm

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2
Q

Normal range of Sella Turica

A

16x22mm

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3
Q

Hole in diaphragma sells lets CSF flow in, erodes pituitary

A

Empty Sella Syndrome

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4
Q

Opposing part of sphenoid, from foramem magnum to dorsum sellae

A

Clivus

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5
Q

Line drawn from nasion to center of sella to basion

A

Martins Basilar Angle

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6
Q

Normal angle range fo Martins Basilar Angle

A

132-152

> 152=playbasia

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7
Q

Line drawn from hard palate to opisthion

A

Chamberlain’s line

odontoid should not extend more than 7mm above this line

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8
Q

Line from hard palate to inferior occiput

A

McGregor’s Line

odontoid should not extend 8mm above the line

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9
Q

Is basilar impression congenital or pathological?

A

Congenital

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10
Q

Is basilar invagination cogenital or pathological?

A

Pathological

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11
Q

This line is used to detect alignment in sagittal plane along posterior spinolaminar lines

A

George’s Line

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12
Q

This line is used to detect alignment in sagittal palne connecting spinolaminar lines

A

Spinolaminar lines

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13
Q

Normal range for antlantodenatl interval

A

Adult: 3mm or 2.5mm
Child: 5mm or 4.5mm

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14
Q

What is the most common reason for big ADI

A

Rheumatoid Artirits

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15
Q

Normal range of C1 plane range and inferior C7`

A

35-45

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16
Q

Hypolordosis cervical range

A
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17
Q

Hypolordosis cervical range

A
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18
Q

Hole in diaphragma sells lets CSF flow in, erodes pituitary

A

Empty Sella Syndrome

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19
Q

Opposing part of sphenoid, from foramem magnum to dorsum sellae

A

Clivus

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20
Q

Line drawn from nasion to center of sella to basion

A

Martins Basilar Angle

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21
Q

Normal angle range fo Martins Basilar Angle

A

132-152

> 152=playbasia

22
Q

Line drawn from hard palate to opisthion

A

Chamberlain’s line

odontoid should not extend more than 7mm above this line

23
Q

Line from hard palate to inferior occiput

A

McGregor’s Line

odontoid should not extend 8mm above the line

24
Q

Is basilar impression congenital or pathological?

A

Congenital

25
Q

Is basilar invagination cogenital or pathological?

A

Pathological

26
Q

This line is used to detect alignment in sagittal plane along posterior spinolaminar lines

A

George’s Line

27
Q

This line is used to detect alignment in sagittal palne connecting spinolaminar lines

A

Spinolaminar lines

28
Q

Normal range for antlantodenatl interval

A

Adult: 3mm or 2.5mm
Child: 5mm or 4.5mm

29
Q

What is the most common reason for big ADI

A

Rheumatoid Artirits

30
Q

Normal range of C1 plane range and inferior C7`

A

35-45

31
Q

Hyperlordosis cervical range

A

> 45

32
Q

Hypolordosis cervical range

A
33
Q

How to draw Cervical Lordosis Depth Method

A
  • Tip of odontoid
  • Poterior surface of C7
  • Measure Depth of C4
  • 8-12mm average
34
Q

Ruth Jackson Lines

A

-Lines drawn from posterior aspect C7
-Lines drawn on posterior aspect of C2
C4/C5 extension
C5/C6 flexion

35
Q

Cervical Gravitational

A
  • Down from odontoid tip

- normally tranverse the anterior-superior asepct of C7

36
Q

Sagittal Canal Measurement```

A
  • Anterior-Posterior Vertebral body

- Posterior-Spinolaminar line

37
Q

Normal Ranges of sagittal canal

A

12-16mm

Stenosis: >12mm

38
Q

The ranges of the Pre-verterbal soft tissue space

A

Retropharyngeal= C2

39
Q

Ranges for thoracic spine kyphosis

A

ave. 30

can go up to 56 (women) 66 (men)

40
Q

Ranges for Lumbar spine lordosis

A

50-60

41
Q

Lumabr gravity line

A
  • line dow nfrom mid portion L3 body
  • intersects anterior 1/3 of sacrum
  • Assest weight bearing
42
Q

Fergusion’s angle

A
  • Line 1 across sacral base
  • Line 2 horizontal to ground
  • 26-57 degrees
  • can help show loading
43
Q

What method is used to grade spondylolistehis

A

Meyerdings

44
Q

Meyerdings method

A

-Divide sacrum into 1/4 and drop line inferior to the posterio aspect of L5

45
Q

Different grades of myerdings method

A

-Grade 1-

46
Q

Ulmamn’s line

A
  • line across the sacral base wl perpendicular at anterior segment
  • in L5 slips over line=spondylolisthesis
47
Q

Klines Line

A
  • Drawn across the lateral border of the femoral neck
  • Should intersect the outer aspect of the femoral head
  • Evaluates for Slipped Capital Femoral Epiphysis
48
Q

Shentons Line

A
  • arc from medial femoral neck to superior margin of obturator foramen
  • normal is smooth arc
49
Q

Kohlers Line

A
  • line from the pelvic rim to the external margin of the obturator foramen
  • aetabulm should not extend beyong this line
50
Q

Boehler’s angle

A
  • 2 lines connecting the 3 highest points on the ankle

- 28-40

51
Q

Acromiohumeral space

A
  • under surface of acromion and superio surface of humeral head
  • 10mm
52
Q

Narrowing of the acrominhumeral space is assocaited with

A

Supraspintaus Tendionpathy

Diagnostic Imaging (5 decks)

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