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Questions and Answers
Metastatic tumours are by far more common than primary bone tumours.
Metastatic tumours are by far more common than primary bone tumours.
True (A)
Many bone metastases are asymptomatic, and the clinical effects are mainly pain and bone destruction.
Many bone metastases are asymptomatic, and the clinical effects are mainly pain and bone destruction.
True (A)
In adults, over 75% of skeletal metastases originate from cancers of the thyroid, prostate, breast, kidney, and lung.
In adults, over 75% of skeletal metastases originate from cancers of the thyroid, prostate, breast, kidney, and lung.
True (A)
Metastatic disease in children most commonly derives from neuroblastoma, Wilms tumour, Ewing sarcoma, and rhabdomyosarcoma.
Metastatic disease in children most commonly derives from neuroblastoma, Wilms tumour, Ewing sarcoma, and rhabdomyosarcoma.
Osteosarcoma is one of the least common malignant tumours of bone.
Osteosarcoma is one of the least common malignant tumours of bone.
Osteosarcoma typically occurs at ages between 10-25 years and mainly affects the metaphysis of long bones, particularly around the knee joint.
Osteosarcoma typically occurs at ages between 10-25 years and mainly affects the metaphysis of long bones, particularly around the knee joint.
Osteosarcoma can exhibit osteoblastic, chondroblastic, or fibroblastic differentiation.
Osteosarcoma can exhibit osteoblastic, chondroblastic, or fibroblastic differentiation.
Chondrosarcoma is the most common malignant matrix-producing bone tumor.
Chondrosarcoma is the most common malignant matrix-producing bone tumor.
Ewing's sarcoma usually arises in the metaphysis of long bones.
Ewing's sarcoma usually arises in the metaphysis of long bones.
Osteoarthritis is a type of chronic arthritis.
Osteoarthritis is a type of chronic arthritis.
Rheumatoid arthritis is classified as acute arthritis.
Rheumatoid arthritis is classified as acute arthritis.
Gouty arthritis is a type of chronic arthritis.
Gouty arthritis is a type of chronic arthritis.
Arthritis refers to inflammation of one or more joints.
Arthritis refers to inflammation of one or more joints.
Paget's disease of bone is a predisposing factor for osteosarcoma.
Paget's disease of bone is a predisposing factor for osteosarcoma.
Ewing's sarcoma is more common in individuals older than 40 years of age.
Ewing's sarcoma is more common in individuals older than 40 years of age.
Suppurative arthritis is a type of acute arthritis.
Suppurative arthritis is a type of acute arthritis.
Metastatic tumours are characterized by multifocality and predilection for the bone marrow sites in the axial skeleton (vertebrae, pelvis, ribs and ______) and proximal long bones.
Metastatic tumours are characterized by multifocality and predilection for the bone marrow sites in the axial skeleton (vertebrae, pelvis, ribs and ______) and proximal long bones.
In adults, more than 75% of skeletal metastases originate from cancers of the thyroid, prostate, breast, kidney, and ______.
In adults, more than 75% of skeletal metastases originate from cancers of the thyroid, prostate, breast, kidney, and ______.
In children, metastatic disease derives most commonly from neuroblastoma, Wilms tumour, Ewing sarcoma and ______.
In children, metastatic disease derives most commonly from neuroblastoma, Wilms tumour, Ewing sarcoma and ______.
Osteosarcoma is one of the commonest malignant tumours of bone which has ______ prognosis.
Osteosarcoma is one of the commonest malignant tumours of bone which has ______ prognosis.
Osteosarcoma typically occurs at ages between 10-25 years and mainly affects the metaphysis of long bones, particularly around the ______ joint.
Osteosarcoma typically occurs at ages between 10-25 years and mainly affects the metaphysis of long bones, particularly around the ______ joint.
Ewing's sarcoma usually arises in the ______ of long bones.
Ewing's sarcoma usually arises in the ______ of long bones.
Osteosarcomas are composed of large, hyperchromatic, pleomorphic, mitotically active tumour cells. They can exhibit ______, chondroblastic, or fibroblastic differentiation
Osteosarcomas are composed of large, hyperchromatic, pleomorphic, mitotically active tumour cells. They can exhibit ______, chondroblastic, or fibroblastic differentiation
Chondrosarcoma is the second most common malignant matrix-producing bone tumour; after osteosarcoma, it is of better prognosis than ______
Chondrosarcoma is the second most common malignant matrix-producing bone tumour; after osteosarcoma, it is of better prognosis than ______
Ewing's sarcoma is a malignant tumour of uncertain origin, most probably from endothelial, or neurogenic cells in bone marrow, (myelogenic) and it has ______ prognosis
Ewing's sarcoma is a malignant tumour of uncertain origin, most probably from endothelial, or neurogenic cells in bone marrow, (myelogenic) and it has ______ prognosis
Most patients with Chondrosarcoma are older than ______ years
Most patients with Chondrosarcoma are older than ______ years
Ewing's sarcoma usually arises in the ______ of long bones
Ewing's sarcoma usually arises in the ______ of long bones
Arthritis means inflammation of one or more ______
Arthritis means inflammation of one or more ______
Suppurative arthritis is a type of ______ arthritis
Suppurative arthritis is a type of ______ arthritis
The majority of skeletal metastases originate from ______ cancers
The majority of skeletal metastases originate from ______ cancers
Many bone metastases are ______, and the clinical effects are mainly pain and bone destruction
Many bone metastases are ______, and the clinical effects are mainly pain and bone destruction
Rheumatoid arthritis is a type of ______ arthritis
Rheumatoid arthritis is a type of ______ arthritis
