Musculoskeletal Tumors (Msq Drill 148)

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1. Which is more responsive to aspirin between osteoid osteoma and 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?
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3. What is the most frequent malignant bone neoplasm?
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4. Osteochromas are mosr common in:
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5. On x-ray endochondroma is a radioluscent nodule surrounded by a thin rim of bone. True or false?
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6. Microscopically endochondroma are lobules or mature hyaline cartilage. True or false?
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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?
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8. So, Ewing sarcoma and PNET are benign or malignant?
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9. Ewing sarcoma and PNET arise in the medullary cavity, do they also invade the cortex and periosteum?
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10. On X-ray you see a lytic tumor with permeative margins and extension into the soft tissues. True or false?
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11. Which is greater than 2cm between an osteoid osteoma and an osteoblastoma?
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12. In the microscopic view of osteoid osteoma and osteoblastoma there is a haphzard interconnecting trabecular of won bone riimed by ______ .
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13. Looking at an x-ray, if the diagnosis is osteosarcoma, what should one see?
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14. Micro: osteosarcome: pleomorophic and large cells with hyperchromatic nuclei in an osteoid stroma, bizarre tumor giant cells, and mitoses. True or false?
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15. Osteochodroma is also kown as exostosis. True or false?
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16. Do osteochrondromas affect more females or males?
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17. Where do osteochroma usually arise?
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18. Are osteochrondroma usually slow or fast 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.
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20. Most patients with Ewing sarcoma or PNET are over or under the age of 20?
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21. Who is affected more by ewing sarcoma and PNET between males and females?
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22. Is an osteoblastoma benign or malignant?
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23. The gross structure of osteosarcoma is a bulky, gritty-white tumor with areas of ___ and cystic degeration.
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24. Osteosarcoma arise int he metaphysis ad spread along marrow cavities and extend into the epiphysis, do they elevate the periosteum?
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25. Osteochondroma usually arise in the metaphysis of the long bones particularly at the ____ .
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26. Osteochroma re ______ shaped outgrowths with a cartilage cap attached tothe skeleton by a bony stalk.
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27. Are endochondromas usually symptomatic?

Explanation

they are usually found accidentally.

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28. Basically ES & PNET present as a growing non painful mass. True or false?
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29. 60% of osteosarcoma occur at the:
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30. Wht metastastis do 10-20% of osteosarcoma have by the time of diagnosis?
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31. Where do osteosarcoma arise?
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32. What region of tubular bones of the hands and feet is affected by endochondromas?
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33. Where do ewing sarcoma and PNET usually arise?
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34. Patients with EW and PNT will most probably undergo which of the following treatment modlities?
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35. Which is more painful between an osteoid osteoma and an osteoblastoma?

Explanation

due to excess prostaglandin.

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36. Where do osteoblastoma usually occur?
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37. In 60-70% of patients with osteosarcoma what gene is rearranged?
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38. The gross structure of endochndroma shows a blue gray transluscent nodule that is greater than or less than 3cm?
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39. What part of the long bones, especially the femur is usually affected by ewing sarcoma or PNET?
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40. Eswing sarcoma and PNET are small round _______ cell tumors of bone and soft tissue.
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41. Which one occurs in the long bones between osteoid osteoma and osteoblastoma?
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42. In the elderly osteosarcoma is associated with which of the following?
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43. What age group is usually affected by endochondroma?
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Which is more responsive to aspirin between osteoid osteoma and...
The gross structure of osteoid osteomas and osteoblastoma is: round to...
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...
Microscopically endochondroma are lobules or mature hyaline cartilage....
Ewing sarcoma and Primitive Neuroectodermal tumor (PNET) share a...
So, Ewing sarcoma and PNET are benign or malignant?
Ewing sarcoma and PNET arise in the medullary cavity, do they also...
On X-ray you see a lytic tumor with permeative margins and extension...
Which is greater than 2cm between an osteoid osteoma and an...
In the microscopic view of osteoid osteoma and osteoblastoma there is...
Looking at an x-ray, if the diagnosis is osteosarcoma, what should one...
Micro: osteosarcome: pleomorophic and large cells with hyperchromatic...
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...
Most patients with Ewing sarcoma or PNET are over or under the age of...
Who is affected more by ewing sarcoma and PNET between males and...
Is an osteoblastoma benign or malignant?
The gross structure of osteosarcoma is a bulky, gritty-white tumor...
Osteosarcoma arise int he metaphysis ad spread along marrow cavities...
Osteochondroma usually arise in the metaphysis of the long bones...
Osteochroma re ______ shaped outgrowths with a cartilage cap attached...
Are endochondromas usually symptomatic?
Basically ES & PNET present as a growing non painful mass. True or...
60% of osteosarcoma occur at the:
Wht metastastis do 10-20% of osteosarcoma have by the time of...
Where do osteosarcoma arise?
What region of tubular bones of the hands and feet is affected by...
Where do ewing sarcoma and PNET usually arise?
Patients with EW and PNT will most probably undergo which of the...
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...
What part of the long bones, especially the femur is usually affected...
Eswing sarcoma and PNET are small round _______ cell tumors of bone...
Which one occurs in the long bones between osteoid osteoma and...
In the elderly osteosarcoma is associated with which of the following?
What age group is usually affected by endochondroma?
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