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ankle/foot/toe
| Question | Answer |
|---|---|
| benign neoplastic bone lesions filled with clear fluid that most often ocur near the knee joint in children and adolescents. generally not detected on radiographs | bone cysts |
| commonly known as runners knee; softening of the cartilage under the patella which results in erosion of the cartilage | chondromalacia patellae |
| malignant tumors of teh cartilage that usually occur in the pelvis and long bones of men older than 45 years | chondrosarcomas |
| slow growing benighn cartilaginous tumer that most often is found in small bones of the hands and feet in adolescents and young adults | enchondroma |
| common primary malignant bone tumor that arises from bone marrow in children and young adults- onion peel appearance on radiographs | ewing sarcoma |
| projection of bone with cartilaginous cap; grows parallel to shaft and away from nearest joint | exostosis |
| uric acid deposits in joint space destruction of joint space | gout |
| abnormal seperation or avulsion fracture between base of first and second metatarsals and cuneiforms | lisfranc joint injury |
| multiple punched out osteolytic lesions throughout affected bone | multiple myeloma (most common primary bone tumor) |
| fragmentation or detachment of tibial tuberosity by patellar tendon | osgood schlatter disease |
| narrows irregular joint spaces with sclerotic articular surfaces and spurs | osteoarthritis |
| large radiolucent lesion with thin strips of bone between | osteoclastoma (giant cell tumor) |
| extensively destructive lesion with irregular periosteal reaction classic appearance is sunburst pattern that is diffuse periosteal reaction | osteogenic sarcoma (primary bone tumor) |
| small round to oval density with lucent center | osteoid osteoma (benign bone lesions) |
| decreased bone density bowing deformity in weight bearing limbs | osteomalacia (rickets) |
| mixed areas of slcerotic and cortical thickening and lytic or radiolucent lesions; cotton wool appearance | paget disease |
| asymmetric erosion of joint spaces calcaneus erosion, usually bilateral | reiter syndrome |
| CR angle for an ap foot | 10 degrees |
| CR angle for AP toes | 10 degrees |
| CR angle for plantodorsal | 40 degrees |
| SID for foot/ankle/calcaneus/toes | 40 |
| IP joint movement type | ginglymus ; flexion and extension |
| MTP joint movement type | modified ellipsoidal (condyloid) ; flexion extension adduction abduction |
| TMT joint movement type | plane (gliding) |
| intertarsal joint movement type | plane (gliding) |
| ankle joint movement type | saddle (sellar) ; dorsiflexion plantar flexion |
| inversion | turning inward |
| eversion | turning outward |
| dorsiflexion | flexing foot |
| plantarflexion | pointing foot |
| sole of the foot (posterior surface) | plantar surface |
| top of the foot (anterior surface) | dorsum |
| how many bones of the foot are there | 26 |
| how many phalanges of the foot are there | 14 |
| how many metatarsals of the foot are there | 5 |
| how many tarsals of the foot are there | 7 |
| what are the tarsals of the foot | calcaneus, talus, cuboid, navicular, first second third cuneiforms |
| largest and strongest bone of the foot is the | calcaneus |
| posterior part of the calcaneus is called the | heel bone |
| common site for trauma must be well visualized on radiographs | base of the 5th metatarsal |
| where is a tuberosity found on the foot | 5 metatarsal |
| digits 2-5 have what joints | IP and DIP |
| the great toe has what joint | IP |
| small detached bones | sesmoid bones |
| the calcaneus articulates with this bone anteriorly | cuboid |
| the calcaneus articulates with this bone superiorly | talus |
| superior articulation with the talus | subtalar joint |
| opening in the subtalar joint | sinus tarsi |
| second largest tarsal bone | talus |
Created by:
macummins1
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