26 looks like to doc

Question 1

Radiographically: large, destructive, lytic & blastic mass with infiltrative margins: sunburst pattern

Answer 1

osteosarcoma

Question 2

Leontiasis ossea (lion face)

Answer 2

Pagets dis (osteitis deformans)
=Enlargement of craniofacial skeleton (frontal bone), heavy cranium difficult to hold up

Question 3

and symp

Answer 3

leiomyosarcoma

Question 4

Platybasia

Answer 4

Pagets dis (osteitis deformans)
=Invagination of the skull base → compression of the posterior fossa

Question 5

warms overlying skin

Answer 5

Pagets dis (osteitis deformans)
-d/t Hypervascularity of bone  (acts as AV shunt)

Question 6

no bony reaction, over 2cm, in vert column; pain not relieved by asa

Answer 6

osteobalstoma

Question 7

TB arthritis

Answer 7

Tuberculosis Spondylitis (Pott Disease) (Mycobacterial Osteomyelitis )

Question 8

Saddle nose

Answer 8

Skeletal Syphilis (congenital)

Question 9

sinus tract formation

Answer 9

Tuberculosis Spondylitis (Pott Disease) (Mycobacterial Osteomyelitis )

Question 10

High output CF (if severe)

Answer 10

Pagets dis (osteitis deformans)

Question 11

 Irregular or nodular thickening of the palmar fascia u/l or b/l.
 Puckering and dimpling of the skin may occur over years.
 Slow, progressive flexion contracture affects the 4th and 5th digits of the hand.

Answer 11

Dupuytren Contracture (palmar) subtype superficial fibromatosis

Question 12

vert fx, painful, loss ht, dowagers hump

Answer 12

osteoporosis

Question 13

Micromelic shortening o flimbs, fromntal bossing, macrocephaly, small chest cavity, bell-shaped abd => resp insufficiency

Answer 13

Thanatophoric dysplasia

Question 14

painful, enlarging mass (tender, warm, swollen); systemic s/s mimicking infxn (fever, elevated ESR, anemia, leukocytosis)

Answer 14

Ewing Sarcoma Family Tumors (ESFT) (including PNET)

Question 15

Compression fx of spine → kyphosis

Answer 15

Pagets dis (osteitis deformans)

Question 16

Palpable mass on dorsolateral aspect penis –> can cause abn curvature, constriction of urethra or both

Answer 16

Penile (peyronie dz) subtype superficial fibromatosis

Question 17

severe nocturnal pain in appendiculak skeleton, relieved by nsaids and asa (under 2cm)

Answer 17

osteoid osteoma

Question 18

Codman triangle:

Answer 18

osteosarcoma
=periosteum being lifted by bone: traingular shadow between the cortex & raised ends of the periosteum; indicates an aggressive tumor.

Question 19

Bone pain/deformity (bowing of tibia) and/or nerve entrapment.
may arise in severe cases.
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Answer 19

Pagets dis (osteitis deformans)

Question 20

Saber shin

Answer 20

Skeletal Syphilis (congenital)
=massive reactive periosteal bone deposition on the medial & anterior surfaces of the tibia.

Question 21

malaise, fever, chills, leukocytosis, throbbing pain over infected region.

Answer 21

pyogenic osteomyelitis spread hematogenously

Question 22

fx, anemia, leukopenia, optic atrophy, deafnes, facial paralysis

Answer 22

osteopetrosis

Question 23

Imaging: foci of flocculent densities.

Answer 23

chondrosarcoma

Question 24

Radiographic: ground glass appearance, well defined margins.

Answer 24

monostotic Fibrous Dysplasia

Question 25

lg infiltrative mass on abd wall

Answer 25

Deep Fibromatosis (desmoid tumors)

Question 26

short stature, chest wall abns, malformed bones

Answer 26

mucopolysaccharidoses

Question 27

Destruction of discs and vertebra → permanent compression fx's = scoliois or kyphosis and neuro deficits secondary to spinal cord and n. compression (paraplegia can happen).

Answer 27

Tuberculosis Spondylitis (Pott Disease) (Mycobacterial Osteomyelitis )

Question 28

limb discrepancies

Answer 28

monostotic Fibrous Dysplasia

Question 29

Short proximal ext, nml trunk, bid bulging head, depression of nose root

Answer 29

achondroplasia

Question 30

Femoral neck, pelvis, spine → complications like PE and pneumonia.

Answer 30

osteoporosis

Question 31

Chalk stick-type fx's: Occur in long bones.

Answer 31

Pagets dis (osteitis deformans)

Question 32

young, small blue cell tumor, from neuroectoderm; in diaphysis of long bones and shoulder

Answer 32

Ewing Sarcoma Family Tumors (ESFT) (including PNET)

Question 33

Secondary osteoarthritis

Answer 33

``` Pagets dis (osteitis deformans) Wt. bearing = anterior bowing of femurs and tibia → distortion of femoral heads ```

Question 34

infxn of psoas m

Answer 34

Tuberculosis Spondylitis (Pott Disease) (Mycobacterial Osteomyelitis )

Question 35

blue sclera, hearing loss, dental imperfections

Answer 35

osteogenesis imperfecta

Question 36

Radiographically: circumscribed lucencies with central, irregular calcifications, sclerotic rim & intact cortex.

Answer 36

chondroma