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RADT316-KNEE TIB/FIB
| Question | Answer |
|---|---|
| CR for AP knee | 1/2" below patellar apex |
| the patellar apex is ____ to the patellar base | inferior |
| For an ASIS to tabletop measurement of 26", angle the CR ______ for an AP knee | cephalad |
| For an ASIS to tabletop measurement of 20", angle the CR _____ for an AP knee | perpendicular |
| For an ASIS to tabletop measurement of 17", angle the CR ____ for an AP knee | caudal |
| The distal aspect of the femur angles 5-7 degrees inferiorly going from the ____ to ____ aspect. | lateral, medial |
| deep depression that separates the femoral condyles | intercondylar fossa |
| raised bony area that receives the tendon of the adductor msucle | adductor tubercle |
| This landmark is useful in determining under or overrotation in the knee image | adductor tubercle |
| most knee injuries are not fractures but _____ | torn ligaments |
| fibrocartilage disks in the knee | meniscus |
| function of the meniscus | provides stability and act as shock absorber |
| saclike structures filled with synovial fluid that allow for smooth articulations between ligaments | bursa |
| film size/orientation for AP knee | 10x12 lengthwise |
| CR angle for a PA projection of the knee | five degree caudal |
| film size/orientation for PA knee | 10x12 lengthwise |
| patient on affected side with knee flexed 20-30 degrees with CR angled 5-7 degree cephalic centered 1"distal to medial epicondyle | mediolateral knee |
| degree of flexion you should not exceed in suspected or known healing patellar fractures | ten |
| film size/orientation for lateral knee | 10x12 lengthwise |
| femoreal condyles should be _____ in the lateral knee image | superimposed |
| CR centered perpendicular to 1/2" below apices of the patellae and MSP | AP standing knees |
| true/false: It is acceptable to leave the patient's shoes on for weight bearing knees | FALSE |
| film size/orientation for AP standing knees | 14x17 crosswise |
| degree of obliquity for AP oblique knees | forty-five |
| true/false: you still follow the ASIS to tabletop measurement rule for oblique knees | true |
| film size/orientation for oblique knees | 10x12 lengthwise |
| oblique that is useful for seeing the patella projected slightly beyond the edge of the lateral femoral condyle and the fibula superimposed over the lateral half of the tibia | lateral oblique |
| oblique that is useful in seeing the tibia and fibula separated at their proximal articulation - tib/fib joint visualized and patellar margin projecting slightly beyond the medial side of the femoral condyle | medial oblique |
| in the _____ method for intercondylar fossa imaging the tibia is parallel to the image receptor | homblad |
| the knee is flexed_____ degrees in all positions of the homblad method | sixty to seventy |
| CR is directed ______ to the tibia for the homblad method | perpendicular |
| In the ____ method for intercondylar fossa, the femur is parallel to the image receptor | camp-coventry |
| the knee is flexed _____ in the camp coventry method for intercondylar fossa | forty to fifty |
| CR is directed ______ to the tibia in the camp coventry method | perpendicular |
| patient is in a ____ position for the camp coventry position | prone |
| in the _____ method, the knee is flexed 40-45 degrees with the patient supine | beclere |
| CR is directed _____ to the tibia in the beclere method | perpendicular |
| Patellas should be performed in the ____ position if possible to minimize _____. | prone, OID |
| CR is directed _____________ for the PA patella | to the midpopliteal area |
| The patella should be _____ to the IR for PA patella | parallel |
| Knee should be flexed_____ degrees for lateral projection of patella | five to ten |
| CR enters ______ for lateral patella | midpatellofemoral joint |
| Patient is in a ____ position for the Hughston method | prone |
| The knee is flexed ____ degrees for the hughston method | fifty to sixty |
| the CR is angled ____ degrees cephalic for the hughston method | forty five |
| the CR is angle _____ degrees for the lateral patella | zero |
| the CR is angled ____ degrees for the PA patella | zero |
| the knee should be flexed ____ degrees for the settagast method | ninety |
| the CR is directed ____ to patellofemoral joint space | perpendicular |
| True/False: shielding is not needed for any knee or patella image | false |
| for the ____ method, the knee should be flexed until the patella is perpendicular to the IR | Hobbs |
| for the ____ method, the knee is flexed anywhere from 30-90 degrees with the quadricep muscles relaxed for patellar imaging | merchant |
| If the knee is flexed 40 degrees, your CR should form an angle of ____ degrees with the femur | thirty |
| benign, neoplastic bone lesions filled with clear fluid that most often occur near the knee joint in children and adolescents | bone cysts |
| involves a softening of the cartilage under the patella which resultsi n wearing away of this cartilage, causing pain and tenderness in this area | chondromalacia patellae |
| also known as runner's knee | chondromalacia patellae |
| malignant tumors of the cartilage that occure in the pelvis and long bones of men older than 45 | chondrosarcoma |
| slo-growing benign tumor that is found in small bones of the ahnds and feet | enchondroma |
| a common primary malignant bone tumor that arises from bone marrow in children and young adults | ewing's sarcoma |
| benign neoplastic bone lesion that is caused by consolidated overproduction of bone at a joint (usually the knee) | exostosis/osteochondroma |
| breaks in the structure of bone caused by a force | fractures |
| a form of arthritis that may be hereditary in which uric acid appears in excessive quantities in the blood and may be deposited in the joints and other tissues | gout |
| occur as accumulated fluid in the joint cavity | joint effusion |
| the most common type of primary cancerous bone tumor affecting persons age 40-70 and occurs in various parts of the body | multiple myeloma |
| inflammation of the bone and cartilage of the anterior proximal tibia and is most common in boys ages 10-15 | osgood-schlatter disease |
| also called degenerative joint disease | osteoarthritis |
| gradual deterioration of the articular cartialge with hypertrophic bone formation | osteoarthritis |
| benign lesions that typically occur in long bones of young adults (prox. tibia and distal femur) | osteoclastomas |
| also called giant cell tumors | osteoclastomas |
| highly malignant primary bone tumor | osteogenic sarcoma |
| literally means bone softening - caused from lack of bone mineralization resulting from a deficiency of vitamin D | osteomalacia |
| also called rickets | osteomalacia |
| one of the most common diseases of the skeleton; occurs most commonly in midlife men; disrupts new bone growth resulting in overproduction of very dense yet soft bone - appears as lytic or lucent areas on a radiograph | paget's disease |
| the CR is directed ____ for the AP Tib/Fib | perpendicular |
| the light field should extend _____ beyond each joint to ensure its visibility on the radiograph | one to two inches |
| the CR is centered to the __________ for the AP tib/fib | midpoint of leg |
| True/False: you should image both joints (separately if need be) when imaging the tib fib | true |
| The oblique tib fib should be rotated _____ degrees. | forty-five |
| In order to image both joints on a diagnoally orientated image receptor, the SID should be _____. | increased to 44-48" |
| The CR should be centered to the _______ for an oblique tib fib | midpoint of leg |
| The CR should be centered to the ______ for a lateral tib fib | midpoint of leg |
| All tib fib imaging initially should occur on a _____ image receptor unless imaging a pediatric patient | 14x17 |
Created by:
hschmuck1
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