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Exam 7 - Bone Neoplasms
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Which type of bone lesions do not disrupt cortical bone, have well-demarcated borders and are surrounded by sclerotic bone?
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Benign
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Terms in this set (69)
Which type of bone lesions do not disrupt cortical bone, have well-demarcated borders and are surrounded by sclerotic bone?
Benign
Which type of bone lesions have a mottled appearance and poorly defined borders?
Malignant
Is Codman's triangle seen in benign or malignant bone neoplasms?
Malignant
What part of the bone is involved in created the appearance of Codman's triangle?
Periosteum
Is pain more associated with malignant or benign bone lesions?
Malignant
What are 2 common causes of pathological Fx?
Hyperparathyroidism
Paraneoplastic syndrome (bronchogenic carcinoma)
System used for staging of MSK sarcomas?
Enneking system
What are the 3 criteria the Enneking system is based on?
Histological tumor grade
Site/extent of the tumor
Presence of regional or distant metastases
What 2 aspects of the tumor are NOT taken into account in the Enneking system?
Size of the tumor
Lymph node metastases
Which stage:
Intracapsular, usually ASx
Latent
Which stage:
Intracapsular, usually growing, can cause pathological Fx
Active
Which stage:
Extracapsular, broken through reactive bone and possibly cortex, can be metastatic
Aggressive
How does the bone react in rapidly progressive vs. slow growing processes?
Rapidly progressive - removal/breakdown of bone
Slow growing - creation of bone (sclerotic)
Benign or malignant: do not extend out from the bony cortex
Benign
Benign or malignant: surrounded by a radiodense area of bone
Benign
