Musculoskeletal Tumors (MSQ DRILL 148)

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1/43 Questions

Which is more responsive to aspirin between osteoid osteoma and osteoblastoma?
- Osteoid osteoma
- Osteoblastoma

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2.

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?
- True
- False
Correct Answer

A. True
3.

What is the most frequent malignant bone neoplasm?
- Osteoid osteoma
- Osteosarcoma
- Osteoblastoma
Correct Answer

A. Osteosarcoma
4.

Osteochromas are mosr common in:
- Young patients
- Plder patients
Correct Answer

A. Young patients
5.

On x-ray endochondroma is a radioluscent nodule surrounded by a thin rim of bone. True or false?
- True
- False
Correct Answer

A. True
6.

Microscopically endochondroma are lobules or mature hyaline cartilage. True or false?
- True
- False
Correct Answer

A. True
7.

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?
- True
- False
Correct Answer

A. True
8.

So, Ewing sarcoma and PNET are benign or malignant?
- Benign
- Malignant
Correct Answer

A. Malignant
9.

Ewing sarcoma and PNET arise in the medullary cavity, do they also invade the cortex and periosteum?
- Yes
- No
Correct Answer

A. Yes
10.

On X-ray you see a lytic tumor with permeative margins and extension into the soft tissues. True or false?
- True
- False
Correct Answer

A. True
11.

Which is greater than 2cm between an osteoid osteoma and an osteoblastoma?
- Osteoid osteoma
- Osteoblastoma
Correct Answer

A. Osteoblastoma
12.

In the microscopic view of osteoid osteoma and osteoblastoma there is a haphzard interconnecting trabecular of won bone riimed by ______ .
- Osteoid
- Osteoblasts
- Osteoclasts
Correct Answer

A. Osteoblasts
13.

Looking at an x-ray, if the diagnosis is osteosarcoma, what should one see?
- Codman's triangle
- Trabeculae of oven bone rimmed with oseoblasts.
- Hyalne cartillage covered by periosteum
Correct Answer

A. Codman's triangle
14.

Micro: osteosarcome: pleomorophic and large cells with hyperchromatic nuclei in an osteoid stroma, bizarre tumor giant cells, and mitoses. True or false?
- True
- False
Correct Answer

A. True
15.

Osteochodroma is also kown as exostosis. True or false?
- True
- False
Correct Answer

A. True
16.

Do osteochrondromas affect more females or males?
- Females
- Males
Correct Answer

A. Males
17.

Where do osteochroma usually arise?
- Diaphysis
- Metaphysis
- Epiphysis
Correct Answer

A. Metaphysis
18.

Are osteochrondroma usually slow or fast growing?
- Slow growing
- Fast growing
Correct Answer

A. Slow growing

Explanation

If they impinge on a nerve or a stalk fracture they may be painful.

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19.

Microscopically osteochondroma are made up of _______ that varies inthickness covered by periochondrium with new bone forming inner portion of head and stalk.
- Trabeculae
- Woven bone
- Hyaline cartillage
Correct Answer

A. Hyaline cartillage
20.

Most patients with Ewing sarcoma or PNET are over or under the age of 20?
- Under 20
- Over 20
Correct Answer

A. Under 20
21.

Who is affected more by ewing sarcoma and PNET between males and females?
- Males
- Females
Correct Answer

A. Males
22.

Is an osteoblastoma benign or malignant?
- Benign
- Malignant
Correct Answer

A. Benign
23.

The gross structure of osteosarcoma is a bulky, gritty-white tumor with areas of ___ and cystic degeration.
- Synovial fluid
- Hemmorhage
Correct Answer

A. Hemmorhage
24.

Osteosarcoma arise int he metaphysis ad spread along marrow cavities and extend into the epiphysis, do they elevate the periosteum?
- Yes
- No
Correct Answer

A. Yes
25.

Osteochondroma usually arise in the metaphysis of the long bones particularly at the ____ .
- Hip
- Knee
- Shoulder
Correct Answer

A. Knee
26.

Osteochroma re ______ shaped outgrowths with a cartilage cap attached tothe skeleton by a bony stalk.
- Spindle
- Mushroom
- Sausage
Correct Answer

A. Mushroom
27.

Are endochondromas usually symptomatic?
- Yes
- No
Correct Answer

A. No

Explanation

they are usually found accidentally.

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28.

Basically ES & PNET present as a growing non painful mass. True or false?
- True, they are painless
- False, they are painful
Correct Answer

A. False, they are painful
29.

60% of osteosarcoma occur at the:
- Hip
- Elbow
- Knee
Correct Answer

A. Knee
30.

Wht metastastis do 10-20% of osteosarcoma have by the time of diagnosis?
- Brain
- Breast
- Lung
Correct Answer

A. Lung
31.

Where do osteosarcoma arise?
- Epiphysis
- Metaphysis
- Metaphysis
Correct Answer

A. Metaphysis
32.

What region of tubular bones of the hands and feet is affected by endochondromas?
- Metaphyseal
- Epiphyseal
- Diaphyseal
Correct Answer

A. Metaphyseal
33.

Where do ewing sarcoma and PNET usually arise?
- Endosteum
- Periosteum
- Medullary cavity
Correct Answer

A. Medullary cavity
34.

Patients with EW and PNT will most probably undergo which of the following treatment modlities?
- Surgery
- Chemotherapy
- Radiation therapy
Correct Answer(s)

A. Surgery
A. Chemotherapy
A. Radiation therapy
35.

Which is more painful between an osteoid osteoma and an osteoblastoma?
- Osteoid osteoma
- Osteoblastoma
Correct Answer

A. Osteoid osteoma

Explanation

due to excess prostaglandin.

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36.

Where do osteoblastoma usually occur?
- In the face
- In the long bones
- In the spine
Correct Answer

A. In the spine
37.

In 60-70% of patients with osteosarcoma what gene is rearranged?
- P53
- RB
Correct Answer

A. RB
38.

The gross structure of endochndroma shows a blue gray transluscent nodule that is greater than or less than 3cm?
- >3cm
Correct Answer

A.
39.

What part of the long bones, especially the femur is usually affected by ewing sarcoma or PNET?
- Metaphysis
- Epiphysis
- Diaphysis
Correct Answer

A. Diaphysis
40.

Eswing sarcoma and PNET are small round _______ cell tumors of bone and soft tissue.
- Red
- Blue
- Osteoblast
- Osteoid
Correct Answer

A. Blue
41.

Which one occurs in the long bones between osteoid osteoma and osteoblastoma?
- Osteoid osteoma
- Osteoblastoma
Correct Answer

A. Osteoid osteoma
42.

In the elderly osteosarcoma is associated with which of the following?
- Paget's disease
- Bone infarcts
- Irradiation
Correct Answer(s)

A. Paget's disease
A. Bone infarcts
A. Irradiation
43.

What age group is usually affected by endochondroma?
- 10-20
- 20-30
- 30-70
- 20-50
Correct Answer

A. 20-50

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Current Version
Feb 16, 2019

Quiz Edited by
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May 10, 2010

Quiz Created by

Musculoskeletal Tumors (Msq Drill 148)

Which is more responsive to aspirin between osteoid osteoma and osteoblastoma?

Quiz Preview

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?

What is the most frequent malignant bone neoplasm?

Osteochromas are mosr common in:

On x-ray endochondroma is a radioluscent nodule surrounded by a thin rim of bone. True or false?

Microscopically endochondroma are lobules or mature hyaline cartilage. True or false?

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?

So, Ewing sarcoma and PNET are benign or malignant?

Ewing sarcoma and PNET arise in the medullary cavity, do they also invade the cortex and periosteum?

On X-ray you see a lytic tumor with permeative margins and extension into the soft tissues. True or false?

Which is greater than 2cm between an osteoid osteoma and an osteoblastoma?

In the microscopic view of osteoid osteoma and osteoblastoma there is a haphzard interconnecting trabecular of won bone riimed by ______ .

Looking at an x-ray, if the diagnosis is osteosarcoma, what should one see?

Micro: osteosarcome: pleomorophic and large cells with hyperchromatic nuclei in an osteoid stroma, bizarre tumor giant cells, and mitoses. True or false?

Osteochodroma is also kown as exostosis. True or false?

Do osteochrondromas affect more females or males?

Where do osteochroma usually arise?

Are osteochrondroma usually slow or fast growing?

Microscopically osteochondroma are made up of _______ that varies inthickness covered by periochondrium with new bone forming inner portion of head and stalk.

Most patients with Ewing sarcoma or PNET are over or under the age of 20?

Who is affected more by ewing sarcoma and PNET between males and females?

Is an osteoblastoma benign or malignant?

The gross structure of osteosarcoma is a bulky, gritty-white tumor with areas of ___ and cystic degeration.

Osteosarcoma arise int he metaphysis ad spread along marrow cavities and extend into the epiphysis, do they elevate the periosteum?

Osteochondroma usually arise in the metaphysis of the long bones particularly at the ____ .

Osteochroma re ______ shaped outgrowths with a cartilage cap attached tothe skeleton by a bony stalk.

Are endochondromas usually symptomatic?

Basically ES & PNET present as a growing non painful mass. True or false?

60% of osteosarcoma occur at the:

Wht metastastis do 10-20% of osteosarcoma have by the time of diagnosis?

Where do osteosarcoma arise?

What region of tubular bones of the hands and feet is affected by endochondromas?

Where do ewing sarcoma and PNET usually arise?

Patients with EW and PNT will most probably undergo which of the following treatment modlities?

Which is more painful between an osteoid osteoma and an osteoblastoma?

Where do osteoblastoma usually occur?

In 60-70% of patients with osteosarcoma what gene is rearranged?

The gross structure of endochndroma shows a blue gray transluscent nodule that is greater than or less than 3cm?

What part of the long bones, especially the femur is usually affected by ewing sarcoma or PNET?

Eswing sarcoma and PNET are small round _______ cell tumors of bone and soft tissue.

Which one occurs in the long bones between osteoid osteoma and osteoblastoma?

In the elderly osteosarcoma is associated with which of the following?

What age group is usually affected by endochondroma?