sarcomas (bone and soft tissue) Flashcards

1
Q

_______ occur in extraskeletal connective tissues that provide connection, support, and movement

A

Soft tissue sarcomas (STS)

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2
Q

Common cells in the connective tissues are the

A

mesoderm, primitive mesenchyme, and ectoderm

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3
Q

_____ Arise in structures that have connective tissues like blood vessel walls, pleura, pericardium, endothelium of blood vessels, bone, cartilage, muscles, and soft connective tissues

A

sarcomas

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4
Q

Soft tissue sarcomas mostly occur in ____in adults

A

extremities

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5
Q

Soft tissue sarcomas mostly occur in the_____ for Children

A

trunk, head, and neck

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6
Q

Common symptoms of sarcomas are a

A

painless, enlarging mass

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7
Q

When irradiating sarcomas, it is important that the entire ______of the extremity or area is not within the treatment field

A

circumference

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8
Q

Sarcomas are named by the tissues they

A

occur in

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9
Q

The Most common sarcoma pathology in adults is

A

malignant fibrous histiocytomas (MFH)

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10
Q

Most common sarcoma pathology in children is:

A

rhabdomyosarcoma

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11
Q

_____ is a:

A

Rhabdomyosarcoma

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12
Q

Highly malignant tumors in the skeletal muscles that can occur in any location of the body

A

Rhabdomyosarcoma

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13
Q

Subtypes of Rhabdomyosarcoma include

A

embryonal (most common), alveolar, pleomorphic/anaplastic, mixed type, and spindle cell

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14
Q

Most common site of rhabdomyosarcoma is the

A

genitourinary tract

kidneys, ureters, bladder, urethra, and genital organs

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15
Q

rhabdomyosarcoma typically occurs between the ages of

A

0 to 19

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16
Q

Osteosarcoma occurs in

A

osteoblasts (immature bone) in osteoid tissue

17
Q

Osteosarcoma Most frequently occurs in the __________ like the distal femur’ proximal tibia, or shoulder

A

metaphysis of extremities

18
Q

Osteosarcomas are radio___

A

radioresistant

19
Q

osteosarcomas typically occur between thr ages of

A

10-19

20
Q

______ is the second most common bone tumor

A

Ewing’s sarcoma

21
Q

Ewing’s sarcoma: occurs most frequently in the

A

diaphysis of the femur

22
Q

Ewing’s sarcoma Has an _____appearance on radiographic images

A

onion-shaped

23
Q

Ewing sarcoma is More common in children and adolescents ____than the age of 19

A

younger

24
Q

______ are tumors of the cartilage

A

Chondrosarcomas

25
Q

Chondrosarcomas most commonly occur in the

A

pelvis, upper leg, and shoulder

26
Q

Chondrosarcomas are most common in adults over the age of

A

40

27
Q

Chondrosarcomas aggressively spread to

A

local areas

28
Q

soft tissue sarcoma etiology

A
  • direct cause is unknown
  • genetic and environmental factors such as previous radiation, herbicide exposure