Deck 27: Bone, Cartilage, and Soft Tissue Sarcomas

Question 1

19)Which of the following is the most common presenting symptom of patients with bone tumors?

A) Elevated blood count
B) Decreased blood count
C) Pathologic fracture
D) Pain

Answer 1

D
Pain is the most common presenting symptom of both primary and secondary bone tumors.

Question 2

5)In which anatomical location are STSs most common?

A) Head and neck
B) Upper extremity
C) Lower extremity
D) Trunk

Answer 2

B
Roughly 60% of STSs are found in extremities, with the thigh being most common.

Question 3

6)What is the most important prognostic factor for osteosarcoma?

A) Site of primary tumor
B) Age of patient at diagnosis
C) Presence of metastatic disease
D) Performance status

Answer 3

C
The presence of metastatic disease at the time of diagnosis is the most important prognostic factor for osteosarcoma.

Question 4

14)Overall, STS requires which dose of radiation to achieve local control and long-term survival?

A) Low
B) Medium
C) High

Question 5

12)Which of the following is the most common metastatic site in STS?

A) Lung
B) Liver
C) Brain
D) Bone

Question 6

20)The main shaft of a typical long bone is termed the __________.

A) periosteum
B) diaphysis
C) epiphysis
D) shaftosis

Question 7

3)In which anatomical location are primary bone lesions most common?

A) Spine
B) Upper extremity
C) Lower extremity
D) Trunk

Question 8

2)Where should the upper and lower field edges be placed for the treatment of metastatic spine cancer?

A) Mid-vertebral body
B) Medial aspect of the vertebral body
C) Superior aspect of the vertebral body
D) Intervertebral space

Question 9

18)Which of the following has the highest incidence of bone tumors?

A) Ewing sarcoma
B) Chondrosarcoma
C) Metastatic bone lesions
D) Multiple myeloma

Question 10

4)In which anatomical location are metastatic bone lesions most common?

A) Spine
B) Upper extremity
C) Lower extremity
D) Trunk

Question 11

16)Preoperative radiation therapy for STS is performed to _________________.
I)kill the reactive rim of tumor cells before they are cut into
II)decrease the risk of implantation
III)attempt to preserve as much normal function as possible

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 12

17)All except which of the following are examples of primary bone tumors?

A) Malignant histiocytoma
B) Rhabdomyosarcoma
C) Osteosarcoma
D) Multiple myeloma

Question 13

1)Which of the following is an acceptable radiation therapy treatment technique for soft tissue sarcomas (STS)?
I)External beam
II)Brachytherapy
III)Intraoperative

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 14

9)What is the most common form of primary bone cancer?

A) Osteosarcoma
B) Chondrosarcoma
C) Fibrosarcoma
D) Chordoma

Question 15

7)What type of bone marrow is contained in the diaphysis of long bones?

A) Red
B) White
C) Blue
D) Yellow

Question 16

15)When used with radiation therapy, which of the following reduces the loss of function and improves overall control?

A) Intralesional resection
B) Radical resection
C) Amputation
D) Limb-sparing surgery

Question 17

10)What is the most common site of metastasis from a primary bone cancer?

A) Brain
B) Bowel
C) Lung
D) Bone

Question 18

11)Most STSs generally spread through _________________.
I)the lymphatic system
II)direct invasion and extension
III)hematogenous spread

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 19

13)It is important when treating an extremity for STS to have a strip of unirradiated tissue near the treatment volume to _______________________.
I)maintain some lymphatic function
II)avoid increased fracture possibilities
III)avoid circumferential fibrosis

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 20

8)During which of the following time frames is the incidence rate of primary bone cancer highest?

A) Infancy
B) Adolescence
C) Adulthood
D) Elderly

Question 21

21)Bone scans are used to evaluate which of the following?

A) Histology of the specimen
B) Spread of metastatic disease
C) Extent of soft tissue involvement
D) None of the above

Question 22

26)The role of the radiation therapist in the treatment of patients with bone tumors includes which of the following?
I)Education
II)Communication
III)Assessment
IV)Monitoring medical equipment

A) I, II, and III
B) I, III, and IV
C) II, III, and IV
D) I, II, III, and IV

Question 23

22)Primary treatment for osteogenic sarcoma involves which of the following?
I)Radiation therapy
II)Surgery
III)Chemotherapy

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 24

24)Treatment for multiple myeloma involves which of the following?
I)Radiation therapy
II)Surgery
III)Chemotherapy

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 25

27)Primary bone tumors comprise approximately ___ of all tumors.

A) 1%
B) 5%
C) 10%
D) 15%

Question 26

25)Which of the following is the most common primary site that leads to bone metastasis?

A) Breast
B) Prostate
C) Kidney
D) Lung

Question 27

30)Which of the following bone malignancies has the highest incidence?

A) Osteosarcoma
B) Chondrosarcoma
C) Ewing's sarcoma
D) Metastatic bone disease

Question 28

23)Treatment for malignant fibrous histiocytoma involves which of the following?
I)Radiation therapy
II)Surgery
III)Chemotherapy

A) I and II
B) I and III
C) II and III
D) I, II, and III

Question 29

29)The most common symptom associated with STSs is __________________.

A) lymphadenopathy
B) palpable mass
C) leukopenia
D) pain

Question 30

28)Which of the following primary bone tumors is the most radiosensitive?

A) Osteosarcoma
B) Chondrosarcoma
C) Fibrosarcoma
D) Ewing's sarcoma