File 7 Flashcards
X-Ray of shoulder with bony fragment/osseous at the greater tuberosity almost (calcific tendonitis), what sequence in MRI best to evaluate the abnormality:
A) T1
B) T2
C) STIR
D) Diffusion
B) T2
Knee Xray, what’s the diagnosis?
A) ACL tear
B) Running marathon
C) Radiation therapy
D) Pathologic fracture
B) Running marathon
Transverse injury of what will cause drop foot? (Axial MRI Picture
with arrows):
Knee Xray with lytic lesion and? What the matrix of the lesion?
A) Chondroid
B) Myxoid
C) Fibroid
D) Osteoid
Anki
MRI shoulder with post labrum injury and cyst which nerve affect?
A) Axillary Nerve
B) Subscapular Nerve
C) Thoracodorsal Nerve
D) Suprascapular Nerve
D) Suprascapular Nerve
Which one of the following is the best view of RA of the hand?
A) AP
B) PA
C) Lateral
AP oblique view (Norgaard’s method- Hands internally rotated).
What is the best view to show cervical spine arthritis?
A) Lateral extension
B) Lateral flexion
C) AP
D) Open month
E) Right and left oblique
B) Lateral flexion
Loss sensation of medial 2 finger, hand muscle atrophy and elbow mass?
A) Ulnar nerve entrapment
B) Carpal tunnel syndrome
C) Radial nerve schwannoma
A) Ulnar nerve entrapment
Patient with history and features of diabetic foot, best next step?
A) X-Ray
B) MRI
C) CT
D. 3d bone scan
A) X-Ray
Coronal and Sagittal ankle MRI: Which muscle have fatty changes? (No
pointing only image)
A) Abductor hallucis
B) Abductor digiti minimi
B) Abductor digiti minimi
Young patient with vaginal bleeding, transvaginal US showed crown rump length 9 mm and no fetal heartbeat, and medium size subchorionic hematoma. The reason why heartbeat couldn’t be detected?
A) Do transabdominal US to detect fetal heart
B) Early pregnancy
C) Non-viable fetus
D) Due to presence of subchorionic bleeding
C) Non-viable fetus
CRL: → > 6mm, there should be fetal heartbeat
Neonate with a picture of necrotizing enterocolitis, what is the most sensitive sign of pneumoperitoneum?
A) Football sign and continuous diaphragm
B) Bowel wall latency
C) Rigler sign
C) Rigler sign
Football sign → massive pneumoperitoneum.
- Rigler sign is obvious even if its small → sensitive.
Ovarian cyst measuring 6 cm, what other US feature will raise suspicion of ovarian torsion?
A) Ipsilateral hydrosalpinx
B) Fluid in Morison’s pouch
C) Ovarian thickening
D) Debris within the cyst
C) Ovarian thickening
Breast Hamartoma (calcification)?
A) BI-RADS 0
B) BI-RADS 1
C) BI-RADS 2
D) BI-RADS 3
C) BI-RADS 2
MRI imaging and identify the structure?
A) Tarsal sinus
B) Calcaneus
C) Posterior talo-calcaneal facet
A) Tarsal sinus
What is normal regarding breast US:
A) Hypoechoic fat
B) Hyperechoic fibrogalndular tissue
C) Cooper’s ligaments appear as linear hyperechoic
D) Optimal study includes pectoralis major muscle
E) All of the following are true
E) All of the following are true
Post partial mastectomy with image of mammo, next step:
A) Breast MRI
B) Mammogram
C) US guided biopsy
D) Annual surveillance mammo
D) Annual surveillance mammo
Germinal matrix which grade?
A) Grade 1
B) Grade 2
C) Grade 3
D) Grade 4
Anki
Bilateral hip US:
A) Left normal right DDH
B) Both normal
C) Left DDH right normal
D) Both DDH
Left normal right DDH
Pediatric with recurrent chest infection in a baby: (Coronal CT/MRI I forgot with feeding vessel):
A) Pulmonary sequestration
B) Bronchial atresia
C) CPAM
D) Pulmonary arteriovenous
A) Pulmonary sequestration
1-year-old baby with foreign body in x-ray dislodged in the esophagus (image)
A) Surgical consultation
B) Serial abdomen x-ray
US showed IMA and SMA changed positions but no swirling what to do next?
A) CT
B) Xray
C) Upper GI
C) Upper GI
To check for DJ flexure → rule out malrotation.
X-Ray picture of umbilical catheter pointed at?
A) Umbilical artery catheter
B) Umbilical vein catheter
Pediatric patient with lower limb weakness and back pain. what is the diagnosis?
A) Telangiectatic osteosarcoma
B) Aneurysmal bone cysts
C) Osteoblastoma
D) Chordoma
B) Aneurysmal bone cysts
(cystic lesion with fluidfluid level)
Long history……. How to visualize the normal position of duodenojejunal junction?
A) Right lateral then supine
B) Full stomach to make sure there is gastric emptying
C) Use barium
A) Right lateral then supine
Barium is not used in potential volvulus cases because if rupture were to happen it leads to
chemical peritonitis.
Female patient did CT PE, then upon admission found out to be pregnant, the fetal dose is from:
A) X-ray leak
B) Primary x-ray
C) External scatter
D) Internal scatter
D) Internal scatter
Leakage contributed 74% of the fetal dose, internal scatter 13%, collimator scatter 9%, and
wedge scatter 4%.
MRI image of the brain provided with artifact) probably
truncation/gibs, what will you do to correct it?
A) Use fat sat
B) Use spin echo instead of fast spin echo
C) Increase spatial resolution
D) Decrease slice thickness
A) Use fat sat
Activity of ᵐ⁹⁹Tc is 1000 mCi at 12 P.M, what it will be at 6 A.M next
day?
A) 500
B) 250
C) 125
D) <10
C) 125
US minimal spatial resolution?
A) 0.1mm
B) 0.3mm
C) 3mm
D) 1mm
D) 1mm
Which of the following increases the dose of the patient?
A) Low pitch
B) Low mA
C) Low kVp
D) Removal of Grid
A) Low pitch
How can iodized contrast make the blood attenuate on x-ray?
A) High atomic number (Z) will increase the photoelectric effect
B) High atomic number (Z) will increase the Compton
C) High density will increase photoelectric effect
D) High density will increase Compton
A) High atomic number (Z) will increase the photoelectric effect
Ultrasound artifact of cephalohematoma:
A) Refraction
B) Reverberation
C) Mirror
C) Mirror
What make FSE faster than standard spin echo?
A) Short TE
B) Short TR
C) Multiple phases encoding gradient variation per TR
D) Phase encoding something.
C) Multiple phases encoding gradient variation per TR
What make DWI sequence? Gradient something:
A) Before and after 90 pulses
B) Before and after 180 pulses
C) Before/after 90 pulses
D) Before/after 180 pulses
B) Before and after 180 pulses
Something exposure rate:
A) Coloumb/s
B) Reontegen/s
What is used to image deep tissues in US?
A) Low frequency
B) Intermediate frequency
C) High frequency
D) Accelerate frequency
A) Low frequency
Fluoroscopy to reduce skin entrance dose?
A) Increase patient to receptor distance
B) Increase skin to source distance
C) Frame rate
D) kVp
A) Increase patient to receptor distance
Tc decay threshold:
A) 1022 KeV
B) 511 KeV
A) 1022 KeV
Make sure to read the units right.
- 1022 KeV = 1.022 MeV
Pair production:
A) 1.022 MeV
B) 511 KeV
A) 1.022 MeV
Pair production occurs when a very high energy photon (at least 1.022 MeV) is used.
Axial breast MRI asking what artifact?
A) Chemical shift
B) Susceptibility
C) Phase encoding artifact
D) Contract ejection malfunction
