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DI 2201- Mod 6 > Basics > Flashcards

Basics Flashcards

1
Q

What are the two types of tumors (+ subsets)

A
  1. benign

2. Malignant (primary 30%, secondary 70%)

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2
Q

10 determinants of lesion aggresiveness

A
  1. Age
  2. Soft Tiss Involv
  3. Pattern of destruction
  4. Size of lesion
  5. Loc of lesion
  6. ZOT
  7. Margination
  8. Matrix
  9. Host response
  10. Monostatic/Polyostotic
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3
Q

Begnin bone tumors from 0-10 (2)

A
  1. Simple bone cyst

2. Eosinophilic granuloma

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4
Q

Begnin bone tumors from 10-20 (9)

A
  1. Non ossifying fibroma
  2. Fibrous dysplasia
  3. Simple bone cyst
  4. Anerysmal bone cyst
  5. Osteochondroma
  6. Oseoid ostoma
  7. osteoblastoma
  8. chrondroblastoma
  9. Chondromyoid fibroma
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5
Q

Begnin bone tumors from 20-40 (2)

A
  1. Enchromdroma

2. Giant cell tumor

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6
Q

Begnin bone tumors from 40+ (1)

A
  1. Osteoma
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7
Q

Malignant bone tumors from 0-10 (3)

A
  1. Edwings sarcoma
  2. Leukemia
  3. metastatic neuroblastoma
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8
Q

Malignant bone tumors from 10-40 (3)

A
  1. Osteosarcoma
  2. Edwings sarcoma
  3. Chondrosarcoma
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9
Q

Malignamt bone tumors 40+ (6)

A
  1. Metastatic
  2. Myeloma
  3. Chrondrosarcoma
  4. Osteosarcoma
  5. PUS
  6. Chordoma
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10
Q

What are the 3 osteolytic lesion patterns of bone destruuction

A
  1. Geographic (benign)
  2. Moth eaten- holes w less defined margins
  3. Permeative- small holes (v aggressive)
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11
Q

What are the 2 osteoblastic lesion patterns of bone destruction

A
  1. Blastic

2. Mixed

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12
Q

What size of lesion may indicate a malignant/agressive lesion

A

> 5cm

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13
Q

What are the 2 types of margination and what may they suggest about aggresiveness

A
  1. Sclerotic- narrow zot + sclerotic border suggest non agressive
  2. Non sclerotic- agressive lesion
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14
Q

What are the 4 types of matrix usually seen

A

Fat- more lucent
Cartilage- popcorn like (mixed)
Osseous- organized or disorganized trabecule
Fibrous- More smoky appearence

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15
Q

What are agressive host responses

A

Cortical destruction
Penetration of soft tissue
May have perosteal rxn (usually sunburst)

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16
Q

What are non agressive host responses

A

Cortical thickening/sclerosis

bone formation/expansion

17
Q

What are the 4 types of perosteal rxns

A
  1. Laminated- multiple layer (infection/malig)
  2. Spiculated/sunburst (v aggresive)
  3. Codmans (inf/malig)
  4. Solid (benign)

DI 2201- Mod 6 (7 decks)

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