msk: osteonecrosis and osteochondroses. case 1: 1. most commonly affected age group: a. 11 and 15...
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MSK:OSTEONECROSIS ANDOSTEOCHONDROSES
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CASE 1:
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CASE 1:
• 1. Most commonly affected age group:A. 11 and 15 years oldB. 1 and 5 years oldC. 10 and 16 years oldC. 6 and 10 years old
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CASE 1:
• 1. Most commonly affected age group:A. 11 and 15 years oldB. 1 and 5 years oldC. 10 and 16 years oldC. 6 and 10 years old
Resnick p.1098
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CASE 1
• 2. Most important finding for a radiographic diagnosis of Osgood Schlatter?A. Soft tissue swellingB. Fragmented tuberosityC. Avulsion D. Indistinct patellar margins
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CASE 1
• 2. Most important finding for a radiographic diagnosis of Osgood Schlatter?A. Soft tissue swellingB. Fragmented tuberosityC. Avulsion D. Indistinct patellar margins
Resnick p.1098
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CASE 1
• 3. Predisposing conditions for this disease.A. Rapid growth spurt and participation in
sportsB. Previous traumaC. ObesityD. Iatrogenic
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CASE 1
• 3. Predisposing conditions for this disease.A. Rapid growth spurt and participation in
sportsB. Previous traumaC. ObesityD. Iatrogenic
Resnick p.1100
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CASE 2:
• Enumerate 2 common radiographic findings:
• It is usually unilateral with predilection to affect the males
• Crescent sign
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CASE 2:
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CASE 2
• 1. Most common radiographic findings A. Fragmented sclerotic femoral ossification
centerB. Fissuring and fracture of the femoral marrowC. Fragmented and lucent femoral ossification
centerD. Fissuring and lysis of the femoral marrow
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CASE 2
• 1. Most common radiographic findings A. Fragmented sclerotic femoral ossification centerB. Fissuring and fracture of the femoral marrowC. Fragmented and lucent femoral ossification
centerD. Fissuring and lysis of the femoral marrow
Resnick p.1090
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CASE 2
• 2. Most common clinical signs A. Limping, pain, limitation in ROM
B. Soft tissue tendernessC. Palpable massD. None of the above
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CASE 2
• 2. Most common clinical signs A. Limping, pain, limitation in ROM
B. Soft tissue tendernessC. Palpable massD. None of the above
Resnick p.1089
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CASE 2
• 3. A radiodense curvilinear shadow at the base of the femoral neck is called asA. Sagging rope signB. Sagging tree signC. Snake signD. Cobra sign
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CASE 2
• 3. A radiodense curvilinear shadow at the base of the femoral neck is called asA. Sagging rope signB. Sagging tree signC. Snake signD. Cobra sign
Resnick p.1091
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CASE 3
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CASE 3
• 1. Most common radiographic findingA. Flattening, increase in radiodensity and cystic
lucent areas at the metatarsal headB. Flattening, radiolucent metatarsal headC. Squashed appearance of the distal metatarsal
headD. Enlarged and deformed metatarsal
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CASE 3: Frieberg’s infarction
• 1. Most common radiographic findingA. Flattening, increase in radiodensity and cystic
lucent areas at the metatarsal headB. Flattening, radiolucent metatarsal headC. Squashed appearance of the distal metatarsal
headD. Enlarged and deformed metatarsal
Resnick p.1095
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CASE 3
• 2. Most common locationA. 2nd metatarsalB. 3rd metatarsalC. 4th metatarsalD. 5th metatarsal
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CASE 3
• 2. Most common locationA. 2nd metatarsalB. 3rd metatarsalC. 4th metatarsalD. 5th metatarsal
Resnick p.1095
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CASE 3
• 3. This disease is called asA. Freiberg’s infarctionB. Kienbock’s diseaseC. Panner’s diseaseD. Thiemann’s disease
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CASE 3
• 3. This disease is called asA. Freiberg’s infarctionB. Kienbock’s diseaseC. Panner’s diseaseD. Thiemann’s disease
Resnick p. 1095
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CASE 4:
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CASE 4
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CASE 4
• 1. Diagnosis for the prior radiographsA. Bone infarctB. OsteochondrosesC. Giant cell tumorD. Fibrous dysplasia
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CASE 4
• 1. Diagnosis for the prior radiographsA. Bone infarctB. OsteochondrosesC. Giant cell tumorD. Fibrous dysplasia
Resnick p. 1067
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CASE 4
• 2. Bone infarct is used to describe the ischemic death of the cellular components of bone and marrow involving the A. Metaphysis and diaphysisB. Epiphysis C. MetaphysisD. Physis
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CASE 4
• 2. Bone infarct is used to describe the ischemic death of the cellular components of bone and marrow involving the A. Metaphysis and diaphysisB. Epiphysis C. MetaphysisD. Physis
Resnick p. 1067
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CASE 4
• 3. Imaging modality of choiceA. MRIB. Bone ScanC. CTD. X-ray
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CASE 4
• 3. Imaging modality of choiceA. MRIB. Bone ScanC. CTD. X-ray
Resnick p.1073