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Pos Chap 5
| Question | Answer |
|---|---|
| three aspects of the clavicle | acromial extremity(lat), Body, and sternal extremity(medial) |
| Which genders clavicle is thicker and more curved | male |
| 3 angles of scapula | inferior, Superior, Lateral angle |
| anterior surface of scapula is referred to as the | costal surface |
| anatomic name for the arm pit | Axilla |
| in determining the true AP frontal view of the humerus the greater and lesser tubercle are located where? | greater tubercle- laterally. lesser tubercle- anteriorly |
| The shoulder girdle consists of 2 bones | Clavicle and scapula |
| upper margin of the scapula is at the level of | 2nd posterior rib |
| lower margin of the scapula is at the level of | T7 |
| 2 fossae located on the posterior scapula | supraspinous fossa, infraspinous fossa |
| All joints of the shoulder are classified as what kind of joint | synovial joints |
| scapulohumeral or glenohumeral joint has what movement type sternoclavicular acromioclavicular | ball and socket plane or gliding plane or gliding |
| Intertubercular groove(bicipital groove) is located | on proximal humerus next to lesser tubercle ( think where bicep tendon would start) |
| T/F The use of a grid is not required for shoulder studies that measure less than 10 cm | True |
| T/F the KV range for an adult shoulder projection is between 60 and 70KV for analog and 100 to 110KV for digital | False |
| T/F Low mA with short exposure times should be used for adult shoulder studies | False |
| T/F Large focal spot setting should be selected for most adult shoulder studies | False |
| T/F A high speed screen -IR system is recommended for analog shoulder studies when using a grid | True |
| T/F a 72 inch SID is recommended for most shoulder girdle studies | False |
| T/F the use of contact shields over breast, lungs, and thyroid regions is recommended for most shoulder projections | True |
| Kv range for shoulder series on avg adult using a grid? | 80-90kv |
| What device permits good visualization of soft-tissue and bony anatomy for adult shoulder radiography | Boomerang compensating filter |
| T/F it is recomended to perform shoulder series on obese pt's if possible | true |
| T/F CT arthorography of the shoulder often requires the use of iodinated contrast media injected into the joint space | True |
| T/F MRI is an excellent way to demonstrate bony injuries of the shoulder girdle | False |
| T/F NM bone scans can demonstrate signs of osteomyelitis and cellulitis | True |
| T/F Radiography is more sensitive than NM for demonstrating physiologic aspects of the shoulder girdle | False |
| T/F Ultrasound can provide a dynamic and functional evaluation of joint movement that MRI can not | True |
| The most common injury to the rotator cuff is to the | supraspinatus tendon |
| Which 2 shoulder projections are taken for a shoulder with no trauma injury and proximal humerus | AP External, AP Internal |
| CR for AP Shoulderprojection | 1inch inferior to coracoid process |
| Which lateral projection can be performed to demonstrate the entire humerus for a pt w/ a midhumeral fracture? | Transthoracic lateral projection |
| To best demonstrate possible hill sachs defect which positioning technique can be added to the inferosuperior axial (lawrence method) proj? | Rotate affected arm externally approximately 45 degrees |
| CR angle for inferosuperior axial proj of shoulder | 25-30 degrees medially |
| Which proj of the shoulder produces an image of glenoid process in profile? This proj is also referred to as the what method | Anterior, Grashey method |
| Which of the following proj produces a tangential proj of the intertubercular sulcus(groove)? | Fisk Method |
| Supine version of tangential proj for intertubercular sulcus requires that the CR be angled | 10-15 degrees posteriorly from horizontal plane |
| Best demonstrates the acromiohumeral space for possible subacromial spurs, which creates shoulder impingement syndrome | Tangential |
| What type of CR angle is required for apical AP axial shoulder proj | 30 degrees caudad |
| T/F orthostatic breathing is recommended for the AP proj of scapula | True |
| T/F The lateral scapula and posterior oblique (scap Y) proj are the same thing | False |
| What is the most common clinical indication to perform the alexander method for the AC joints | suspected AC joint subluxation |
| Which non trauma proj can be performed erect to provide a lateral view of the proximal humerus in relationship to the scapulohumeral joint? | PA Transaxillary projection (hobbs mod) |
| T/F The PA transaxillary proj (hobbs) requires no CR angle | True |
| A Pt with clinical history of tendon injury in shoulder region comes to Rad department. Physician needs functional study of shoulder joint. What modalitie would best demonstrate this? | Ultrasound |
| Pt w/ possible rotator cuff tear comes into RAD department what would be the best modalitie? | MRI |
| terms that correctly describe shoulder joint | glenohumeral and scapulohumeral |
| specific joint found on lateral end of the clavicle | acromioclavicular |
| which of the following is not an angle found on the scapula inferior medial lateral superior | medial (not found ) |
| Bony structure separates supraspinous and infraspinous fossae? | Scapular spine |
| which is considered most posterior scapular notch-- coracoid process--acromion--glenoid process | acromion |
| What is the minimum amoun of weight a large adult should have strapped to each wrist for the weight-bearing phase of an AC joint study? | 8-10lbs |
| Which anatomy best demonstrated with the alexander method? | AC joints |
| Which anatomy of the shoulder is best demonstrated with a superoinferior axial projection (hobbs modification)? | Scapulohumeral joint spaces |
| What is the major advantage of the supine, tangential version of the intertubercular groove projection over the erect version ? | Reduced OID |
| For the erect version of the tangential projection for the intertubercular groove, the patient lens forward ______ from vertical | 10-15 degrees |
| How are the humeral epicondyles aligned for a rotational lateromedial projection of the humerus ? | perpindicular to ir |
| Which position of the shoulder and Proximal humerus projects the lesser tubercle in profile medially? | Internal rotation |
| Which Pathologic condition may require a reduction in manual exposure factors? | Rheumatoid arthritis |
| Which Pathologic condition often produces narrowing of the joint space? | Osteoarthritis |
| Which Projection and/or position best demonstrates signs of impigement syndrome? | Scapular Y (neer method) |
| T/F: the greatest technical concern during a pediatric shoulder study is voluntary movement | True |
| Which one of the following technical considerations does not apply for adult shoulder radiography? A: Center and right AEC chamber activated B: High-speed IR C: 40-44 in (100 to 110cm) SID | A: Center and right automatic exposure control (AEC) chamber activated |
| A patient with a possible shoulder dislocation enters the emergency room. A neutral, AP projection of the shoulder has been taken, confirming a dislocation, Which additional projection should be taken? | Garth method |
| Patient has a history of tendonitis of the bicep tendon. Which projection will best demonstrate calcification of the tendon within the intertubercular groove? | Tangential projection- Fisk Modification |
| Patient with possible acromioclavicular separation enters the emergency room. Which routine should be used? | Acromioclavicular joint series: non-weight bearing projections |
| A patient enters the ER with a proximal and mid-humeral fracture. The patient is in extreme pain. Which position routine would demonstrate the entire humerus without excessive movement of the limb. | AP and transthoracic lateral of humerus |
| Patient is referred to radiology for a nontrauma shoulder series. Routine calls for superoinferior axial projection (Hobbs modification). But the patient is unable to stand and is confined to a wheelchair. What should the technologist do? | Perform the projection with the patient's upper chest prone on the table. |
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superwillybones