RADD 2712 Skeletal Radd B Study Guide Answers 51-100

RADD 2712 Skeletal Radd B Study Guide Answers 51-100 -...

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Answers looked up in the textbook by Melanie Carr, verified by the Answer Key in the Study Guide 51Q. The café au lait spots of fibrous dysplasia: ANSWER: C - are large, with jagged, irregular margins. * Smooth margins - Coast of California indicative of NF * Fibrous dysplasia spots are chestnut brown known as Coast of Maine * Lightly pigmented are not the right color 52Q. The “blind vertebra” is an x-ray sign representing: ANSWER: C - bilateral loss of the cortical margins of the pedicles * Unilateral destruction or agenesis of one pedicle is known as winking owl or one- eyed pedicle sign * Note: pedicle sign in Multiple Myeloma means the pedicles are showing, not missing 53Q. Hodgkin’s lymphoma is most often seen in: ANSWER: A - two age groups: 15-34, and over 60. * NOT COVERED IN CLASS 54Q. Chondrosarcoma represents: ANSWER: C - 10 of all primary malignant bone tumors * 27% - multiple myeloma * 20% - osteosarcoma * 7% - ewings * MOCEF, yet again 55Q. Multiple myeloma may be detected by: ANSWER: C - Bence Jones proteinuria * Hot bone scan can be many things, like blastic mets, ostoid osteoma, Osteoblastoma, osteosarcoma, fibrous dysplasia 56Q. The relationship between an FCD and an NOF is:
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ANSWER: A - the fibrous cortical defect probably represents early identification of a nonossifying fibroma. * Both FCD and NOF are the exact same thing, but for different ages. FCD ages 4-8, NOF 8-20 years. * Both resolve within 2-5 years 57Q. A benign osteoblastic neoplasm that is seen more often in the spine than in the appendicular skeleton is: ANSWER: D - an Osteoblastoma * Osteoid osteoma - most common in long bones * Osteoma - most common in the skull or nasal bones * Bone island - most common in long bones 58Q. Commonly seen radiologic signs of malignant degeneration in pagetic bone include all of the following except: ANSWER: B - onion-skin or laminated periosteal response * Seen in osteosarcoma 59Q. Although Hemangioma is a benign lesion, it may cause symptoms due to: ANSWER: C - cord compression * Periostitis - not this, because the endplates remain crisp * Bone expansion - Pagets, and if in Hemangioma, asymptomatic * Basilar invagination - works with the outer table of the skull, not the base. Paget’s 60Q. Approximately half the patients with neurofibromatosis develop osseous lesions, most commonly in the: ANSWER: B - spine * NOT COVERED IN CLASS 61Q. The smoky opacity of polyostotic fibrous dysplasia lesions: ANSWER: A - is set off from normal bone by a thick rind of sclerosis * Egg-shell margin - Osteoblastoma * The other two make me think malignancy due to long zone of transition
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62Q. Metastatic tumors are more likely than primary tumors to have: ANSWER: C - polyostotic expression * This is why bone scanning is discussed in the mets section, because they may be progressing at different rates, and although film may not show it, bone scan will * Periosteal reaction - fast growing * Soft tissue mass - could be primary or metastatic
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This note was uploaded on 11/23/2011 for the course RADD 2712 taught by Professor R.brucefox during the Winter '11 term at Life Chiropractic College West.

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RADD 2712 Skeletal Radd B Study Guide Answers 51-100 -...

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