#1
Which of the following is not a primary bone tumor?
Leukemia
ExplanationLeukemia is not a primary bone tumor but a cancer of blood-forming tissues.
#2
Which imaging modality is most commonly used to evaluate bone tumors?
X-ray
ExplanationX-ray is the most commonly used imaging modality to evaluate bone tumors.
#3
Which of the following bone tumors commonly affects the metaphysis of long bones?
Osteosarcoma
ExplanationOsteosarcoma commonly affects the metaphysis of long bones.
#4
What is the most common primary malignant bone tumor in adults?
Multiple myeloma
ExplanationMultiple myeloma is the most common primary malignant bone tumor in adults.
#5
Which of the following is a characteristic feature of osteochondroma?
Presence of cartilage cap
ExplanationOsteochondroma is characterized by the presence of a cartilage cap.
#6
Which bone tumor is associated with 'onion skin' appearance on imaging?
Ewing's sarcoma
ExplanationEwing's sarcoma is associated with an 'onion skin' appearance on imaging.
#7
Which tumor is characterized by translocation involving chromosome 11 and 22?
Ewing's sarcoma
ExplanationEwing's sarcoma is characterized by translocation involving chromosome 11 and 22.
#8
Which of the following bone tumors is characterized by sheets of small round blue cells?
Ewing's sarcoma
ExplanationEwing's sarcoma is characterized by sheets of small round blue cells.
#9
Which bone tumor is characterized by soap bubble appearance on imaging?
Giant cell tumor
ExplanationGiant cell tumor is characterized by soap bubble appearance on imaging.
#10
Which of the following is a common site for metastatic bone tumors?
Vertebrae
ExplanationVertebrae are a common site for metastatic bone tumors.
#11
Which histologic feature is characteristic of chondrosarcoma?
Abundant cartilage matrix
ExplanationChondrosarcoma is characterized by abundant cartilage matrix.
#12
Which bone tumor is associated with Codman's triangle on X-ray?
Osteosarcoma
ExplanationOsteosarcoma is associated with Codman's triangle on X-ray.
#13
Which bone tumor is commonly associated with Paget's disease?
Osteosarcoma
ExplanationOsteosarcoma is commonly associated with Paget's disease.
#14
Which bone tumor is most commonly seen in the epiphysis of long bones?
Chondroblastoma
ExplanationChondroblastoma is most commonly seen in the epiphysis of long bones.
#15
Which bone tumor is commonly associated with the production of osteoid?
Osteosarcoma
ExplanationOsteosarcoma is commonly associated with the production of osteoid.