Part 19-images Flashcards Preview

Diagnostic Imaging II > Part 19-images > Flashcards

Flashcards in Part 19-images Deck (28)
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1
Q

Findings? Diagnosis?

A

cresent rim sign, bite sign

AVN of the femoral head (Chandler’s AVN)

2
Q

Findings? Diagnosis?

A

subchondral collapse

AVN of the femoral head

3
Q

Findings? Diagnosis?

A

bite sign, snow cap sign

healing phase of AVN of the femoral head

4
Q

Findings? Diagnosis?

A

loss of marrow signal

AVN of femoral head bilaterally

5
Q

Findings? Diagnosis?

A

obturator fat pad, gluteal fat pad, small epiphysis, lateral displacement of ossification center, flattening and fracture of the ossification center, metaphyseal widening and foreshortened widened irregular physis, irregular Kline’s line, irregular tear drop distance

Legg-Calve-Perthes disease

6
Q

Findings? Diagnosis?

A

lesion at the lateral aspect of the medial femoral condyle

7
Q

Findings? DIagnosis?

A

lesion of the medial aspect of the talus

osteochondrosis dessicans

8
Q

Findings? Diagnosis?

A

lesion of the capitellum of the elbow

osteochondrosis dessicans

9
Q

Patient has pain over the tibial tuberosity and this Xray finding. What is the diagnosis?

A

Osgood Schlatter’s

10
Q

Patient has pain on the patella. Diagnosis?

A

Sindig-Larsen-Johannsen disease

11
Q

Findings? Diagnosis?

A

AVN of the second metatarsal head

Freiber’s disease

12
Q

Findings? Diagnosis?

A

AVN of the lunate, negative ulnar variance

Kienbock’s disease

13
Q

Patient has pain over the navicular. Findings? Diagnosis?

A

vascular insufficiency of the navicular (if no pain, could just be normal variant)

Kohler’s disease

14
Q

Findings? Diagnosis?

A

anterior body wedging, decreased disc space, increased kyphosis, more than 3 vertebra involved

Scheuermann’s disease

15
Q

Findings? Diagnosis?

A

decreased disc space of 1 disc

Juvenile Discogenic Disease

16
Q

Findings? Diangosis?

A

calcaneal apophysitis (not AVN), sclerosis and fragmentation of the calcaneal apophysis represents normal anatomy

Severs disease

17
Q

Differential diagnosis?

A

chondrosarcoma

enchondroma

calcified medullary infarct

18
Q

Findings? Most likely diagnosis?

A

hair on end skull

thalassemia

19
Q

Findings? Diagnosis?

A

H vertebra

sickle cell anemia

20
Q

Findings? Likely diagnosis?

A

dense hemoarthrosis, squared off patella

hemophilia

21
Q

Patient has a WBC count of 40,000. Findings? Diagnosis?

A

submetaphyseal lucent bands, osteopenia, periosteal reaction

leukemia

22
Q

Finding?

A

Involucrum

23
Q

Pain is worse at night, relieved by aspirin. There is no microorgansims in the biopsy. Findings? Diagnosis?

A

localized, aborted form of suppurative osteomyelitis, oval, elliptical, or serpiginous radiolucency with no visible matrix surrounded by heavily reactive sclerosis

Brodie’s abscess

24
Q

Findings? Diagnosis?

A

endplate destruction, disc destruction

spinal infection

25
Q

Findings? Diagnosis? Treatment?

A

Decreased signal intensity on T1, Increased signal intensity on T2

ostomyelitis

antibiotics, surgery, debridement, surgical drainage

26
Q

Findings? Diagnosis?

A

disc space narrowed, paraspinal cold abscess with Ca+

tuberculosis

27
Q

Findings? Diagnosis?

A

Gibbous formation, disc space narrowing, verterbral collapse

tuberculosis (pott’s disease)

28
Q

Findings? Diagnosis?

A

Phemister’s triad (juxtarticular osteoporosis, marginal erosions, slow joint space loss)

tuberculosis septic arthritis