The document describes the anatomy and radiographic imaging of the shoulder. It discusses the bones, joints, ligaments, tendons, muscles, nerves, and blood vessels that make up the shoulder. It provides details on recommended radiographic projections to image the shoulder, including AP, axial, outlet, and glenohumeral joint views. Exposure factors, positioning, and evaluation criteria are outlined for each projection.
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Anatomia y Posicionamiento de las extremidades superiores. Deseo aclarar que el video no me pertenece de ninguna manera. Se esta compartiendo publicamente con el fin de ayudar a los futuros tecnologos a obtener conocimiento para su revalida.
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Images of radiographic positioning and radiographic film X rayed.
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Anatomia y Posicionamiento de las extremidades superiores. Deseo aclarar que el video no me pertenece de ninguna manera. Se esta compartiendo publicamente con el fin de ayudar a los futuros tecnologos a obtener conocimiento para su revalida.
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Seeking Help for Addiction: Recognizing signs, available treatments, support systems, and resources are essential for recovery.
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Shoulder radiography avinesh shrestha
1.
2. Anatomy of shoulder can be divided into several different categories, which are:
Bones
Joints
Ligaments
Tendons
Muscles
Nerves
Blood Vessels
Bursa
5/15/2017 2
10. Ligaments of the shoulder forms a joint capsule that connects the humerus to the glenoid
cavity.These ligaments are the main source of stability for the shoulder.
Glenohumeral Ligaments (GHL)
Coraco-acromial Ligament (CAL)
Coraco-clavicular Ligaments (CCL)
Transverse Humeral Ligament (THL)
Acromioclavicular Ligament
5/15/2017 10
12. Although many muscles connect with, support, and enter into the function of the shoulder
joint, radiographers are chiefly concerned with the rotator cuff muscles
ROTATOR CUFF MUSCLES:
Subscapularis
Supraspinatous
Infraspinatous
Ters minor
5/15/2017 12
14. Trauma, Fracture Subluxation,
Dislocation
Pathological condition associated with
joint space and bone(Osteoarthritis,
Rheumatoid arthritis,Osteopetrosis,
osteoporosis, Osteomyelitis & other
degenerative osteoarthropathy)
Check x-ray for post op and post
reduction.
Impingement of shoulder joint
Congenital anomalies.
Bone cyst, Tumor, Effusion
Calcified tendon.
General skeletal survey
Bursitis(inflammation of bursa)
INDICATIONS FOR SHOULDER RADIOGRAPHY:
5/15/2017 14
15. COMMON IMAGE CRITERIA FOR SHOULDER JOINT RADIOGRAPHY:
Well visualization of:
Proximal arm, ½ clavicle, scapula, lateral ribs cage, Glenohumeral joint, ACJ.
No rotation or image blur.
Open joint spaces.
Soft tissue & bony trabeculation details.
Part of interest (always be at the center of the IR.)
5/15/2017 15
16. General consideration for shoulder radiography:
Skeletal parts are projected usually with at least two different directions (usually
right angle to each other.)
No forceful positioning in case of trauma, contracture or suspected fracture.5/15/2017 16
17. Patient preparation:
Checking of request form, identifications & verification.
Explanation of procedure ,Removal of all radiopaque objects from the
region to be radiographed (Shoulder & Neck).
Immobilization: pillows, sandbags, compression bands, sponges &
radiolucent pads for support & comfort.
5/15/2017 17
18. Patient head should be rotated away from side being examined
Proper patient positioning/ Beam collimation/ Exposure factors/ Immobilization of
parts i.e.; Proper technique and instruction to the patient to avoid repeat exposure
High speed screen-film combination if applicable
In case of young uncooperative children Bucky is omitted so that exposure time can
be minimized
If available, radiation protection shield should be used e.g. Thyroid shield, gonad
shield etc.
The central ray can be directed caudally after centering to the coracoid process so
that the primary beam can be collimated to the area under examination.
Radiation protection:
5/15/2017 18
21. Equipment setting & exposure factor
Decrease 5 -10 kVp in case of destructive pathology (Active osteomyelitis,
Aseptic necrosis, Atrophy, Degenerative arthritis, Gout,Osteoporosis,old
age)
5-10kvp decrease for soft tissue radiography( bursitis, tendonitis ,foreign
body localization e.t.c.)
Increase 5 -10 kVp or 25 -50% mAs or both in case of additive pathology
(Acromegaly, Osteoma, Exostosis(benign growths of bone extending
outwards from the surface of a bone) etc.) & if the part on POP cast
KVP MAS FFD GRID FOCUS SCREEN
FILM SIZES
(INCH)
55-80 6-50 100 CM Y/N SMALL FAST 8X10 OR 10X12
5/15/2017 21
22. Shoulder joint: AP
Indications
Trauma, fracture,dislocation,calcifications
Infection, effusion arthritis & degenerative joint diseases &
other joint pathology
Patient positioning
Erect or supine with affected shoulder against the cassette
and rotated about 15 º (close contact)
Arm abducted,
Upper border of cassette 5cm above shoulder
5/15/2017 22
23. Fig, Shoulder AP in external, neutral and internal rotation
Supinating the hand will
position the humerus In
external rotation.
The palm of the hand placed
against the hip will position the
humerus in neutral rotation,
The posterior aspect of the
hand placed against the hip
will position the humerus in
internal rotation.
5/15/2017 23
24. Central ray
Perpendicular to a point 1 inch (2.5 cm) inferior to the coracoid process
Evaluation criteria
Visualization of shoulder girldle, glenohumeral joint
Slightly overlapping glenoid cavity but separate from the acromion
process
Bony and soft tissue structures of shoulder and proximal humerus
CONT..
5/15/2017 24
26. Shoulder: axial (superoinferior)
Indication
To evaluate glenohumeral joint, & calcified tendons
To demonstrate insertion region of infraspinatus muscle & the subacromial
part of the supraspinatus tendon
Patient positioning
Patient sits beside the x-ray table
IR is placed on the table top & the affected arm abducted over the
cassette
Patient leans towards the table to reduce OFD & to insure that the
axilla (glenoid cavity) included in the image.
(A curved cassette can be used to reduce OFD)
Elbow flexed, arm abducted to minimum 45º(injury permitting)
5/15/2017 26
27. Central ray
through the proximal aspect of the
humeral head, beam can be angled 5°-
15° toward the elbow with CR directed at
the shoulder joint.
(FFD increased if large OFD to reduce
magnification)
SHOULDER: AXIAL (SUPEROINFERIOR)
5/15/2017 27
28. Evaluation criteria
Demonstration of head of humerus(Lesser
tuberosity in profile) , acromion process, coracoid
process and glenoid cavity
Open scapulohumeral joint (not open on patients
with limited flexibility)
SHOULDER: AXIAL (SUPEROINFERIOR)
5/15/2017 28
29. Axial (inferosuperior)
Patient position(Lawrence method)
Patient supine ,arm abducted and supinated
Affected shoulder and arm raised on non-opaque pads
Cassette supported vertically against the shoulder and
pressed against the neck(to include scapula)
Head turned to opposite direction
Central ray
center to axilla (to the region of ACJ )
with the tube medially angled 15º- 30º. The greater the
abduction, the greater the angle.
5/15/2017 29
30. Cont…….
Patient position(RAFERT Modification )
To visualize Hill-Sachs defect
From the Lawrence method, the extended arm externally
rotated until the hand forms a 45º oblique & the thumb
pointing downwards.
Central ray
To the axilla with 15º medial angulation so that the CR
passes through ACJ
5/15/2017 30
32. axial (inferosuperior)
Patient position(west point view)
Patient prone, Head turned away
3”pad placed under the affected shoulder
affected arm abducted 90º & rotated to rest the forearm
over the edge of the table.
IR placed against superior aspect of shoulder with the edge
of IR in contact with the neck
Central ray
directed at a dual angle of 25º anterior from the horizontal (to table surface) & 25º
medially
Central ray enters approximately 5 inches inferior & 1.5 inches medial to the
acromial edge & exits through the glenoid cavity5/15/2017 32
34. Patient preparation(Clements method)
Done if prone or supine position not possible
Patient in lateral recumbent position lying on
unaffected side
Hips & knees flexed
90º abduction of affected arm & pointing towards
the ceiling
IR against the superior aspect of the shoulder,
holding in place with another arm or securing it
properly
AXIAL (INFEROSUPERIOR)
5/15/2017 34
35. Cont…..
Central ray
To the midcoronal plane, passing
through the mid axillary region of the
shoulder.
Angled 5 to 1 5 degrees medially when
the patient cannot abduct the arm a full
90 degrees
5/15/2017 35
36. Indication
When the arm can’t be rotated or abducted
To demonstrate proximal humerus in a 90º
projection from the AP
SHOULDER: TRANSTHORACIC LATERAL
5/15/2017 36
37. Shoulder: transthoracic lateralPatient positioning
Patient is in erect or supine
Patient in lateral position with affected
side towards the IR
Unaffected arm raised ,forearm flexed
and placed over the head, shoulder
elevated as much as possible(Elevation of
the non-injured shoulder drops the
injured side separating the shoulders to
prevent superimposition.)
5/15/2017 37
38. Central ray
directed to the midcoronal plane at the level of surgical neck
of the humerus
Full inspiration exposure as the lungs full of air improves the
contrast and decreases the expoure necessary to penetrate the
body.
Evaluation criteria
shows a lateral radiograph of the shoulder & true lateral view
of proximal humerus through the thorax
Scapulae superimposed over the thoracic spines
Unaffected clavicle & humerus projected above the shoulder
SHOULDER: TRANSTHORACIC LATERAL
5/15/2017 38
39. Shoulder : outlet projection(AP)
Indications
Suspected shoulder impingement syndrome
To visualize anterior portion of acromion process
Patient positioning
Patient stands with affected shoulder against the IR and
rotated 15 º to bring scapula parallel to IR
Arm abducted slightly
5/15/2017 39
40. Central ray
Directed 30º caudally and centered to palpable
coracoid process
Evaluation criteria
Demonstration of anterior part of acromion
projected inferiorly
Subacromial joint space seen above the humeral
head
Shoulder : outlet projection(AP)
5/15/2017 40
41. outlet projection(lateral)neer methodPatient position
Pt stands or sits facing the cassette with lateral aspect of
affected arm in contact
Arm extended backward and back of hand rests on the
waist
Pt is rotated forward and body of scapula is made at right
angle to the cassette
5/15/2017 41
44. Cont…
Patient positioning
Erect
Anterior aspect of affected shoulder towards
IR
Unaffected shoulder raised so midcoronal
plane form angle of 45º-60º to the IR. I.e.; until
Scapular flat surface perpendicular to IR
Central ray
to the medial border of the scapula
5/15/2017 44
45. Cont…
Evaluation criteria
Superimposed humeral head & glenoid
cavity; humeral shaft & scapular body.
Acromion projected laterally & free of
superimposition
Coracoid superimposed with or projected
below the clavicle
Scapula in lateral profile
5/15/2017 45
46. Glenohumeral joint:AP
Indications
To demonstrate glenoid cavity and glenohumeral
joint space(Coracoid#,glenoid#,proximal
humerus#)
Patient position
Stand with affected shoulder against the cassette
Rotated 30º to bring plane of glenoid fossa
perpendicular to the cassette
Arm supinated and slightly abducted away from
5/15/2017 46
47. Central ray
Directed toward the palpable coracoid process
GLENOHUMERAL JOINT:AP
Evaluation criteria
Clear visualization of joint space between head of
humerus and glenoid cavity
5/15/2017 47
48. Glenohumeral joint:RPO or LPO
Patient positioning(Grashey
method)
Supine or erect (erect is comfortable)
Body rotated towards the affected side until
the scapula is parallel with the plane of the IR
so that the head of humerus in contact with
the IR
Slight abduction of arm in internal rotation
with palm of the hand on the abdomen
5/15/2017 48
49. Central ray
Perpendicular to the glenoid cavity
Evaluation criteria
Should demonstrate clearly the joint space
between head of humerus and glenoid cavity
CONT…
5/15/2017 49
50. Similar to Grashey method but uses weighted abduction to demonstrate a loss of
articular cartilage in the glenohumeral joint.
SHOULDER JOINT : Glenoid cavity RPO or LPO (Apple method)
5/15/2017 50
51. PATIENT POSITIONING
Similar to Grashey method except;
Should hold ½ kg weight in hand on the affected side.
While holding the weight, the patient should abduct the arm 90º from the midline of the
body.
CONT…
5/15/2017 51
54. PATIENT POSITIONING
Body Rotated approximately 45º towards the
affected side.
Affected arm adducted & elbow flexed to place
the forearm across the abdomen
CENTERING OF X-RAY BEAM
Angled 45º caudad, through the
scapulohumeral joint
SHOULDER JOINT: GLENOID CAVITY RPO or LPO Axial oblique (Garth method)
5/15/2017 54
55. EVALUATION CRITERIA
The scapulohumeral joint, humeral head,
and scapular head and neck free of
superimposition
The coracoid process should be well
visualized
Apical oblique: Garth view
SHOULDER JOINT: GLENOID CAVITY RPO or LPO Axial oblique (Garth method)
5/15/2017 55
56. Recurrent dislocation
Is associated with defects on head of humerus
In case of recurrent anterior dislocation, defect will occur on posterolateral aspect
of head of humerus(hill sach’s lesion)
In case of recurrent posterior dislocation, defect will be on anterior part of head
Dislocated head of humerus also impacts on glenoid rim
In case of recurrent dislocations, 3 Ap projections (with humerus lateral, oblique &
Stryker’s) & Inferosuperior views are done.
5/15/2017 56
57. lateral &oblique humerus
Patient position
Patient lies erect or supine
Unaffected shoulder raised 30degree to bring glenoid
cavity right angle to centre of IR
lateral humerus
Arm partially abducted, elbow flexed, and palm of hand
rest on patients waist5/15/2017 57
58. oblique humerus
The elbow is extended, allowing the arm to rest in
partial abduction by the patient’s side.
The humerus is now in an oblique position
LATERAL &OBLIQUE HUMERUS)
5/15/2017 58
59. Central ray
Directed to head of the humerus
Evaluation criteria
Should demonstrate head and neck of humerus and glenoid cavity with
glenohumeral joint clearly shown
LATERAL &OBLIQUE HUMERUS)
5/15/2017 59
60. AP(modified)-Stryker notch view
Patient positioning
Patient lies supine
Arm of affected side is extended fully and the elbow is flexed to allow the
hand to rest on patient’s head
5/15/2017 60
62. INDICATIONS
To evaluate the tendon of the long head of biceps.
PATIENT POSITIONING
Supine, seated or standing.
Forearm extended & hand supinated 45º.
Chin extended & head rotated away from the
affected side.
IR supported vertically above the shoulder.
SHOULDER JOINT: BICIPITAL GROOVE TANGENTIAL
5/15/2017 62
63. CENTERING OF X-RAY BEAM
Angled 10º-15º downward from the
horizontal & to the long axis of the humerus
for the supine position. ( 10º-15º cephalad
for erect).
Fisk modification:
Perpendicular to the IR when the patient is
leaning 10º-15º forward from the vertical
humerus position.
SHOULDER JOINT: BICIPITAL GROOVE TANGENTIAL
5/15/2017 63
65. Acromioclavicular joints:AP
Indication
To visualize dislocation, Separation, Subluxation
To compare functional difference of ACJs
AC arthritis & Osteopathy
Patient positioning
Patient stands facing the x-ray tube, arms relaxed to the side
Center the midline of the body to the midline of the grid.
5/15/2017 65
66. Cont…
weight bearing comparison projection of both ac joint can be done for
subluxation(Pearson method) i;e Equal weight is strapped around lower arm
(wrist) of the patient
Central ray
If bilateralprojection then :Perpendicular to the midline of the body at the level
of the acromioclavicular joints
If only one side then:To the palpable lateral end of clavicle at acromioclavicular
joint(to avoid superimposition 25 º cranial angulation can be given)
5/15/2017 66
68. Clavicle :PA
Preferable since clavicle lies close to cassette-
optimum bony detail, reduces the radiation dose to
thyroid and eyes
Patient positioning
Patient stands facing the IR with clavicle in centre
of IR
Patient’s head is turned away from side being
examined
Central ray
Perpendicular to the midshaft of clavicle
5/15/2017 68
69. AP(alternate)
Patient positioning
Adjust the body to center the clavicle to the midline of
the table or vertical grid device.
Place the arms along the sides of the body, and adjust the
shoulders to lie in the same horizontal plane.
Center the clavicle to the IR
Central ray
Perpendicular to the midshaft of clavicle
5/15/2017 69
70. Cont….
Evaluation criteria
Entire length of clavicle should be
included along with the acromioclavicular
and sternoclavicular joints
Lateral end of clavicle demonstrated clear
of thoracic cage
5/15/2017 70
71. Clavicle :Ap axial(Lordotic position)
Patient positioning
Patient is made to sit or stand in front of the vertical IR facing the x-ray
tube(supine-alternate)
Patient leans backward in a position of extreme lordosis and rest the neck and
shoulder against the vertical grid device
Neck in extreme flexion
5/15/2017 71
72. Cont…
Central ray
Over the mid shaft of the clavicle
with angulations(0-15)degree for
standing &(15-30) degrees for supine
Evaluation criteria
Clavicle projected above the ribs and
scapula with medial end overlapping
the 1st and 2nd rib
Entire clavicle with AC and SC joint
5/15/2017 72
73. Scapula :AP
Patient positioning
Abduct the arm to a right angle with the body to draw the scapula
laterally.
flex the elbow, and support the hand in a comfortable position.
For this projection, do not rotate the body toward the affected side
because the resultant obliquity would offset the effect of drawing
the scapula laterally
Central ray
Perpendicular to the mid scapular area at a point approximately 2
inches (5 cm) inferior to the coracoid process
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74. Cont..
Evaluation criteria
Lateral portion of the scapula free of
superimposition from the ribs
Scapula horizontal and not oblique
Scapular detail through the superimposed lung
and ribs (Shallow breathing should help
obliterate lung detail)
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75. Scapula :lateral
Patient positioning
Patient stands with affected side against the IR
Arm is either adducted across the body or abducted
with the elbow flexed and back of hand rest on the
hip
Patients trunk is rotated forward until the body of
scapula is at right angles to the cassette
Central ray
To the midpoint of medial border of scapula
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76. Scapula :lateral
Evaluation criteria
Lateral and medial border superimposed
No superimposition of the scapular body on
the ribs
No superimposition of the humerus on the
area of interest
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81. Questions?
1. Bone involved in the shoulder joint formation?
2. What kind of joint in shoulder and it’s type?
3. Basic projection of shoulder joint?
4. Basic projection of clavicle ?
5. What is Hill-sach defects ,what is projection done for
it?
6. Mention position of patients in superior interior axial
projections?
7. What is bursa and what is projection for bursitis?
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