Musculoskeletal Tumors (Msq Drill 148)
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- 1.
Is an osteoblastoma benign or malignant?
- A.
Benign
- B.
Malignant
Correct Answer
A. Benign -
- 2.
Which is greater than 2cm between an osteoid osteoma and an osteoblastoma?
- A.
Osteoid osteoma
- B.
Osteoblastoma
Correct Answer
B. Osteoblastoma -
- 3.
Which is more painful between an osteoid osteoma and an osteoblastoma?
- A.
Osteoid osteoma
- B.
Osteoblastoma
Correct Answer
A. Osteoid osteomaExplanation
due to excess prostaglandin.Rate this question:
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- 4.
Which one occurs in the long bones between osteoid osteoma and osteoblastoma?
- A.
Osteoid osteoma
- B.
Osteoblastoma
Correct Answer
A. Osteoid osteoma -
- 5.
Which is more responsive to aspirin between osteoid osteoma and osteoblastoma?
- A.
Osteoid osteoma
- B.
Osteoblastoma
Correct Answer
A. Osteoid osteoma -
- 6.
Where do osteoblastoma usually occur?
- A.
In the face
- B.
In the long bones
- C.
In the spine
Correct Answer
C. In the spine -
- 7.
The gross structure of osteoid osteomas and osteoblastoma is: round to oval well circumscribed nidus of hemmorhagic gritty tan tissue surrounded by sclerotic bone. True or flase?
- A.
True
- B.
False
Correct Answer
A. True -
- 8.
In the microscopic view of osteoid osteoma and osteoblastoma there is a haphzard interconnecting trabecular of won bone riimed by ______ .
- A.
Osteoid
- B.
Osteoblasts
- C.
Osteoclasts
Correct Answer
B. Osteoblasts -
- 9.
What is the most frequent malignant bone neoplasm?
- A.
Osteoid osteoma
- B.
Osteosarcoma
- C.
Osteoblastoma
Correct Answer
B. Osteosarcoma -
- 10.
In the elderly osteosarcoma is associated with which of the following?
- A.
Paget's disease
- B.
Bone infarcts
- C.
Irradiation
Correct Answer(s)
A. Paget's disease
B. Bone infarcts
C. Irradiation -
- 11.
In 60-70% of patients with osteosarcoma what gene is rearranged?
- A.
P53
- B.
RB
Correct Answer
B. RB -
- 12.
60% of osteosarcoma occur at the:
- A.
Hip
- B.
Elbow
- C.
Knee
Correct Answer
C. Knee -
- 13.
Wht metastastis do 10-20% of osteosarcoma have by the time of diagnosis?
- A.
Brain
- B.
Breast
- C.
Lung
Correct Answer
C. Lung -
- 14.
The gross structure of osteosarcoma is a bulky, gritty-white tumor with areas of ___ and cystic degeration.
- A.
Synovial fluid
- B.
Hemmorhage
Correct Answer
B. Hemmorhage -
- 15.
Where do osteosarcoma arise?
- A.
Epiphysis
- B.
Metaphysis
- C.
Metaphysis
Correct Answer
C. MetapHysis -
- 16.
Osteosarcoma arise int he metaphysis ad spread along marrow cavities and extend into the epiphysis, do they elevate the periosteum?
- A.
Yes
- B.
No
Correct Answer
A. Yes -
- 17.
Looking at an x-ray, if the diagnosis is osteosarcoma, what should one see?
- A.
Codman's triangle
- B.
Trabeculae of oven bone rimmed with oseoblasts.
- C.
Hyalne cartillage covered by periosteum
Correct Answer
A. Codman's triangle -
- 18.
Micro: osteosarcome: pleomorophic and large cells with hyperchromatic nuclei in an osteoid stroma, bizarre tumor giant cells, and mitoses. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 19.
Osteochodroma is also kown as exostosis. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 20.
Osteochromas are mosr common in:
- A.
Young patients
- B.
Plder patients
Correct Answer
A. Young patients -
- 21.
Do osteochrondromas affect more females or males?
- A.
Females
- B.
Males
Correct Answer
B. Males -
- 22.
Where do osteochroma usually arise?
- A.
Diaphysis
- B.
Metaphysis
- C.
Epiphysis
Correct Answer
B. MetapHysis -
- 23.
Osteochondroma usually arise in the metaphysis of the long bones particularly at the ____ .
- A.
Hip
- B.
Knee
- C.
Shoulder
Correct Answer
B. Knee -
- 24.
Are osteochrondroma usually slow or fast growing?
- A.
Slow growing
- B.
Fast growing
Correct Answer
A. Slow growingExplanation
If they impinge on a nerve or a stalk fracture they may be painful.Rate this question:
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- 25.
Osteochroma re ______ shaped outgrowths with a cartilage cap attached tothe skeleton by a bony stalk.
- A.
Spindle
- B.
Mushroom
- C.
Sausage
Correct Answer
B. Mushroom -
- 26.
Microscopically osteochondroma are made up of _______ that varies inthickness covered by periochondrium with new bone forming inner portion of head and stalk.
- A.
Trabeculae
- B.
Woven bone
- C.
Hyaline cartillage
Correct Answer
C. Hyaline cartillage -
- 27.
What age group is usually affected by endochondroma?
- A.
10-20
- B.
20-30
- C.
30-70
- D.
20-50
Correct Answer
D. 20-50 -
- 28.
What region of tubular bones of the hands and feet is affected by endochondromas?
- A.
Metaphyseal
- B.
Epiphyseal
- C.
Diaphyseal
Correct Answer
A. MetapHyseal -
- 29.
Are endochondromas usually symptomatic?
- A.
Yes
- B.
No
Correct Answer
B. NoExplanation
they are usually found accidentally.Rate this question:
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- 30.
On x-ray endochondroma is a radioluscent nodule surrounded by a thin rim of bone. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 31.
The gross structure of endochndroma shows a blue gray transluscent nodule that is greater than or less than 3cm?
- A.
>3cm
- B.
Correct Answer
B. -
- 32.
Microscopically endochondroma are lobules or mature hyaline cartilage. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 33.
Ewing sarcoma and Primitive Neuroectodermal tumor (PNET) share a common chromosomal translocation and may be viewed as the same tumor with just a difference in neural differentiation. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 34.
So, Ewing sarcoma and PNET are benign or malignant?
- A.
Benign
- B.
Malignant
Correct Answer
B. Malignant -
- 35.
Eswing sarcoma and PNET are small round _______ cell tumors of bone and soft tissue.
- A.
Red
- B.
Blue
- C.
Osteoblast
- D.
Osteoid
Correct Answer
B. Blue -
- 36.
Most patients with Ewing sarcoma or PNET are over or under the age of 20?
- A.
Under 20
- B.
Over 20
Correct Answer
A. Under 20 -
- 37.
Who is affected more by ewing sarcoma and PNET between males and females?
- A.
Males
- B.
Females
Correct Answer
A. Males -
- 38.
What part of the long bones, especially the femur is usually affected by ewing sarcoma or PNET?
- A.
Metaphysis
- B.
Epiphysis
- C.
Diaphysis
Correct Answer
C. DiapHysis -
- 39.
Where do ewing sarcoma and PNET usually arise?
- A.
Endosteum
- B.
Periosteum
- C.
Medullary cavity
Correct Answer
C. Medullary cavity -
- 40.
Ewing sarcoma and PNET arise in the medullary cavity, do they also invade the cortex and periosteum?
- A.
Yes
- B.
No
Correct Answer
A. Yes -
- 41.
Basically ES & PNET present as a growing non painful mass. True or false?
- A.
True, they are painless
- B.
False, they are painful
Correct Answer
B. False, they are painful -
- 42.
On X-ray you see a lytic tumor with permeative margins and extension into the soft tissues. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 43.
Patients with EW and PNT will most probably undergo which of the following treatment modlities?
- A.
Surgery
- B.
Chemotherapy
- C.
Radiation therapy
Correct Answer(s)
A. Surgery
B. Chemotherapy
C. Radiation therapy -
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Feb 16, 2019Quiz Edited by
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May 10, 2010Quiz Created by
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