MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15...

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MSK: OSTEONECROSIS AND OSTEOCHONDROSES

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Transcript of MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15...

Page 1: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

MSK:OSTEONECROSIS ANDOSTEOCHONDROSES

Page 2: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 1:

Page 3: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 4: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 5: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 1

• 2. Most important finding for a radiographic diagnosis of Osgood Schlatter?A. Soft tissue swellingB. Fragmented tuberosityC. Avulsion D. Indistinct patellar margins

Page 6: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 7: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 1

• 3. Predisposing conditions for this disease.A. Rapid growth spurt and participation in

sportsB. Previous traumaC. ObesityD. Iatrogenic

Page 8: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 1

• 3. Predisposing conditions for this disease.A. Rapid growth spurt and participation in

sportsB. Previous traumaC. ObesityD. Iatrogenic

Resnick p.1100

Page 9: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 2:

• Enumerate 2 common radiographic findings:

• It is usually unilateral with predilection to affect the males

• Crescent sign

Page 10: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 2:

Page 11: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 12: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 14: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 16: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 19: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 27: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 29: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

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

Page 31: MSK: OSTEONECROSIS AND OSTEOCHONDROSES. CASE 1: 1. Most commonly affected age group: A. 11 and 15 years old B. 1 and 5 years old C. 10 and 16 years old.

CASE 4

• 3. Imaging modality of choiceA. MRIB. Bone ScanC. CTD. X-ray

Resnick p.1073


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