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NBCE Part II/III > Xray Pathologies > Flashcards

Xray Pathologies Flashcards

1
Q

Benign Bone Tumor characteristics:

A
  1. Encapsulated
  2. Short Transition Zone
  3. Geographic
  4. Incidental Finding
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2
Q

Unicameral Bone Cyst

A

aka SBC (simple bone cyst)

CENTRALLY located!!

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3
Q

Aneurysmal Bone Cyst

A

aka ABC

BLOOD filled

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4
Q

Giant Cell Tumor (GCT)

A

Epiphyseal location
20-40
QUASI-MALIGNANT (this is ONLY a characteristic of GCT)
BBT

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5
Q

Chondroblastoma

A
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6
Q

Osteoid Osteoma

A

Night pain relieved by aspirin!!!
Radiolucent central nidus w/ severe reactive sclerosis
BBT

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7
Q

Brodies Abcess

A

aka Chronic Osteomyelitis

appears like Osteoid Osteoma
BBT

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8
Q

Brodies Abcess

A

aka Chronic Osteomyelitis

appears like Osteoid Osteoma

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9
Q

Enchondroma

A

MC BBT of hand
Multiple enchondromas = Ollier’s Disease
w/ ST calcification = Maffucci’s Syndrome

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10
Q

Enostoma

A

Bone island

BBT

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11
Q

Osteopoikilosis

A

Multiple bone islands

BBT

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12
Q

Osteopoikilosis

A

Multiple bone islands

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13
Q

Osteoblastoma

A

MC BBT neural arch

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14
Q

Fibrous Dysplasia

A

BBT
Monostotic Form = 70% –> THICK RIND SIGN
Polystotic Form = 30%

  • Deformities: Saber Shin Tibia (bowing tibia) + Sheppard’s Crook (bowing femur)
  • Ground glass appearance
  • !! “Cafe au lait” spots with “Coast of Maine” appearance
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15
Q

Unicameral Bone Cyst

A

aka SBC (simple bone cyst)

CENTRALLY located!!

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16
Q

Aneurysmal Bone Cyst

A

aka ABC

BLOOD filled

17
Q

Giant Cell Tumor (GCT)

A

Epiphyseal location
20-40
QUASI-MALIGNANT (this is ONLY a characteristic of GCT)

18
Q

Chondroblastoma

A
19
Q

Osteoid Osteoma

A

Night pain relieved by aspirin!!!

Radiolucent central nidus w/ severe reactive sclerosis

20
Q

Brodies Abcess

A

aka Chronic Osteomyelitis

appears like Osteoid Osteoma

21
Q

Enchondroma

A

MC BBT of hand
Multiple enchondromas = Ollier’s Disease
w/ ST calcification = Maffucci’s Syndrome

22
Q

Pagets

A

aka Osteitis Deformans

  • Males >50
  • Picture Frame Vertebra!!!
  • Stages: Lytic or Destructive –>Mixed –>Sclerotic –> Malignant (osteosarc –> only way older person can have it)
  • Bone expansion, bowing deformities, cotton wool, blades of grass, sheaves of wheat, brim sign, osteoporosis circumscripta

Labs:

1) Alkaline Phosphatase increase
2) URINARY HYDROXYPROLINE!!

23
Q

Enostoma

A

Bone island

24
Q

Osteopoikilosis

A

Multiple bone islands

25
Q

Osteoblastoma

A

MC BBT neural arch

26
Q

Osteoma

A

MC BBT skull

MC in frontal sinus seen on CALDWELL PROJECTION!!!

27
Q

Fibrous Dysplasia

A

Monostotic Form = 70% –> THICK RIND SIGN
Polystotic Form = 30%

  • Deformities: Saber Shin Tibia (bowing tibia) + Sheppard’s Crook (bowing femur)
  • Ground glass appearance
  • !! “Cafe au lait” spots with “Coast of Maine” appearance
28
Q

Neurofibromatosis

A

BBT

  • Posterior VB scalloping
  • !! “Cafe au lait” spots with “Coast of California” appearance
  • Hypertension, Neurodeficits, Seizures
29
Q

Multiple myeloma

A

aka Plasma Cell Sarcoma
aka Hematopoietic Disease

>50
CACHEXIA (wasting away)!!
HX of infection
MC primary malignancy of bone
"Rain Drop Skull" !!!! (punched out lesions)

LABS:

1) m spike IEP
2) Reversed Albumin/Globulin Ratio
3) Bence-Jones Proteinuria
4) elevated ESR
* * Cold Bone Scan**

30
Q

METS (lytic/blastic)

A

MC malignant tumor of BONE

31
Q

Lytic METs

A

> 40 (unex wt loss + bone pain at night)

Owl Wink / Blind Vertebra!!!
“Swiss Cheese” Skull appearance!!!
Lab: ALKALINE phosphatase !!!

32
Q

Hodgkin’s Disease

A

mc mets in 20-40
Ivory White Vertebra!!!
Anterior VB scalloping!!!
Reed Sternberg Cells

33
Q

Ivory White Vertebra

A

1) Hodgkins
2) Blastic METs
3) Pagets

34
Q

Blastic METS

A

> 40
Ivory White Vertebra
Alkaline Phosphatase

35
Q

Pagets

A

aka Osteitis Deformans

Males

NBCE Part II/III (6 decks)

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