Deck 16: Musculoskeletal Neoplasms

Question 1

Which of the following types of malignant tumors have the poorest survival rate?

A) fibrosarcoma
B) liposarcoma
C) neurofibrosarcoma
D) leiomyosarcoma

Answer 1

leiomyosarcoma

Question 2

Which of the following choices describes a rotationplasty?

A) A custom-made rotating hinge prosthesis is implanted at the knee.
B) The leg is amputated above the knee, and the tibia bone from the lower leg is inverted, making it possible for the ankle end of the tibia to be fused to the bottom of the femur.
C) The tibia is resected, and the ankle joint is fused to the distal tibia at 180 degrees.
D) The surgeon removes the affected bone in the femur, rotates the lower portion of the leg 180 degrees so that the foot faces in the opposite direction, and reattaches it to the upper femoral area.

Answer 2

The surgeon removes the affected bone in the femur, rotates the lower portion of the leg 180 degrees so that the foot faces in the opposite direction, and reattaches it to the upper femoral area.

Question 3

At what age is a male most likely to be seen with chondrosarcoma?

A) 10 years old
B) 20 years old
C) 30 years old
D) 50 years old

Answer 3

50 years old

Question 4

What type of benign soft tissue tumor is usually seen in the popliteal area?

A) lipoma
B) Baker's cyst
C) nerve sheath tumor
D) schwannoma

Question 5

What type of malignant bone tumor is most responsive to high-dose radiation?

A) osteosarcoma
B) chondrosarcoma
C) Ewing's sarcoma
D) multiple myeloma

Question 6

What is the most common primary neoplasm of bone?

A) multiple myeloma
B) metastatic neoplasm
C) osteosarcoma
D) Ewing's sarcoma

Question 7

What type of bone destruction is regarded as the most serious?

A) type IA
B) type IB
C) type IC
D) type II

Question 8

Which of the following lab values is elevated with osteosarcoma and Paget's disease?

A) erythrocyte sedimentation rate
B) serum calcium
C) alkaline phosphatase
D) serum protein electrophoresis

Question 9

Why is multiple myeloma most common in the spine,pelvis,and skull?

A) Multiple myeloma is found only in flat bones.
B) Multiple myeloma will never be present where any epiphyseal growth plate was once present.
C) Bone marrow is found in high concentrations in these bones.
D) Multiple myeloma will not be present in weight-bearing bones.

Question 10

A physician observes a plain film radiograph of a patient's tibia.At this time he suspects a bone island in the tibia.What is the next best choice of test to determine if this is a bone island or cancer?

A) bone scan
B) needle biopsy
C) CT scan
D) MRI

Question 11

Which of the following is a malignant tumor of the bone marrow?

A) osteoma
B) leukemia
C) chondroma
D) fibroma

Question 12

Which of the following is true regarding osteoblastoma?

A) It is smaller than osteoid osteoma.
B) Pain of osteoblastoma is relieved with aspirin.
C) Osteoblastoma is common in the spine, sacrum, and flat bones.
D) There is usually no tenderness over the lesion.

Question 13

A patient reports to the physical therapy assistant (PTA)that she has pain at night that awakens her from sleep.What should the PTA do with this information?

A) increase intensity of current rehabilitation
B) decrease intensity of current rehabilitation
C) continue at the current intensity of rehabilitation and monitor the patient closely
D) contact the referring physician or supervising physical therapist

Question 14

What is the most common site of metastases for individuals with extremity sarcomas?

A) other bone sites
B) lung
C) liver
D) stomach

Question 15

Which of the following is the correct definition of a wide surgical excision of a tumor?

A) removing the tumor at its border, resulting in some of the tumor remaining
B) removing some of the normal tissue surrounding the tumor, leaving none of the tumor
C) removing the entire involved bone and all tissue components adjacent to the tumor
D) Probing the tumor with a needle and obtaining a core sample

Question 16

Which of the following bones is least likely to develop osteosarcoma?

A) vertebra
B) femur
C) humerus
D) tibia

Question 17

Which of the following is not contained at the leading edge of a soft tissue tumor?

A) edema
B) inflammatory cells
C) tumor cells
D) osteoblasts

Question 18

Which of the following is the most sensitive test in detecting pulmonary metastases?

A) angiography
B) bone scan
C) computed tomography (CT) scan
D) magnetic resonance imaging (MRI)

Question 19

Which type of chondrosarcoma originates in the periosteum?

A) central chondrosarcoma
B) peripheral chondrosarcoma
C) juxtacortical chondrosarcoma
D) medullary chondrosarcoma

Question 20

Which of the following is the current treatment of choice for osteosarcoma?

A) radiation
B) chemotherapy
C) amputation
D) surgical removal of the primary tumor