Cancer Flashcards

1
Q

Osteosarcoma location

A

MC in femur, tibia, humerus

90% in metaphysis

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2
Q

Osteosarcoma Onset

A

2nd decade of life

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3
Q

Osteosarcoma RF

A

Rapid bone growth
History of retinoblastoma
Ionizing radiation exposure
Genetic RF

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4
Q

Osteosarcoma Clinical features

A

Pain and swelling
Mass 40% of time
Dec ROM
Possible pathologic fx

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5
Q

Ewing Sarcoma Onset

A

5-25 yo

MC teenage boys

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6
Q

Ewing Sarcoma RF

A

Rapid bone growth

Caucasian race

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7
Q

Ewing Sarcoma Clinical Features

A

Pain and swelling
Mass always present initially
Dec ROM
Possible pathologic fx

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8
Q

MC solid tumor in children

A

Brain tumors

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9
Q

MC location of brain tumors

A

2/3’s infraentorial

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10
Q

MC types of brain tumors in children

A

Astrocytoma
Ependymomas
Medulloblastoma

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11
Q

MC brain tumor in children

A

20% Medulloblastoma

MC in cerebellum

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12
Q

Ependymoma characteristics

A

Generate w/in ventricles
Can be aggressive
MC differentiated and benign
Tx w/ surgery

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13
Q

Brain stem Glioma characteristics

A

Fast or slow growing
Not resectable, require chemo or radiation
Glioblastoma muliforme high grade gliomas and poor prognosis

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14
Q

Pilocytic astrocytoma characteristics

A

MC low grade glioma

Cytic an tx w/resection

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15
Q

Gangliogliomas characteristics

A

low grade glioma

slow growing and benign

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16
Q

Craniopharyngioma characteristics

A

Congetital tumors
Typically benign
Hydrocephalus and endocrine sx common
93% growth failure

17
Q

Pineal tumor characteristics

A

Posterior portion of 3rd ventricle

Most often germinomas

18
Q

Osteoid Osteoma

A

Benign solitary tumor of bone characterized by nocturnal pain that is relieved with NSAIDs

19
Q

Osteoid Osteoma CF

A
Initially localized bone pain
Acute or subacute
Pain worse at night and activity
Dramatically relieved by NSAIDs
Constitutional sx absent