Diagnostic radiology CCT

Question 1

Which is the most hyperdense (ie highest Houndsfield unit) for intracranial bleeding in plain CT brain?
A. Acute
B. Subacute
C. Chronic
D. None of the above

Answer 1

Ans: A

Question 2

In between which of these structures are subdural haematoma located?
A. Dura and bone
B. Arachnoid mater and pia mater
C. Dura and arachnoid mater
D. None of the above

Answer 2

Ans: C

Question 3

Which of the following series of imaging is the standard practice for a trauma patient?
A. Cervical spine X ray, Chest X ray, Pelvic X ray
B. Cervical spine X ray, Abdominal X ray, Pelvic X ray
C. Lumbar spine X ray, Abdominal X ray, knee X ray
D. Lumbar spine X ray, Abdominal X ray, z (help)

Answer 3

Ans: A

Question 4

An anechoic breast mass was found on ultrasound. What is the most probable lesion?
A. Breast carcinoma
B. Breast cyst
C. Breast fibroadenoma
D. Invasive ductal carcinoma

Answer 4

B. Breast cyst

Question 5

A motorcyclist involved in a head on collision. Initial assessment showed fracture pelvis. A CT was ordered and how will you perform the CT?
A. CT head to toe with contrast
B. CT head to toe without contrast
C. CT pelvis with contrast
D. CT pelvis without contrast

Answer 5

A. CT head to toe with contrast

Question 6

A motorcyclist involved in a head on collision. Chest xray shows widened mediastinum, first rib fracture and pleural fluid. Which is the most likely diagnosis?
A. Acute traumatic aortic injury
B. Lung contusion
C. Pneumomediastinum
D. Pneumothorax

Answer 6

A. Acute traumatic aortic injury

Question 7

40y/o professional jockey fell off his horse during training. In AED, CT shows bleeding from branches of internal iliac artery with large hematoma. What is the most appropriate interventional radiological management?
A. Endovascular embolization of bleeding vessel
B. Percutaneous drainage of hematoma
C. Cystogram for urethral or bladder injury
D. MRI for hematoma

Answer 7

A. Endovascular embolization of bleeding vessel

Question 8

Which of the imaging will show positive finding in acute brainstem infarct:
A. CT brain
B. DSA
C. MRI with DWI
D. PET

Answer 8

C. MRI with DWI

Question 9

Which of the following is a cause of communicating hydrocephalus?
A. Aqueduct stenosis
B. Ependymoma of the fourth ventricle
C. Inability to reabsorb CSF
D. Intraventricular haemorrhage

Answer 9

C. Inability to reabsorb CSF

Or too much production of CSF

Question 10

20-year-old male that was hit by a train. CXR shows widened mediastinum, paratracheal stripes and also tracheal deviation. What is the most likely diagnosis?
A. Acute traumatic aortic injury
B. Lung contusion
C. Pericardial effusion
D. Pneumothorax

Answer 10

A. Acute traumatic aortic injury

Question 11

A patient presents with acute tetraplegia and urinary incontinence. Which investigation should you perform?

A. MRI spine
B. CT spine
C. X-ray spine
D. Bone scan

Answer 11

A. MRI spine

Question 12

77/M retiree had slip and fall ytd. Today worsening headache. NCCT brain showed crescent shaped extra-axial hyperdensity along R cerebral convexity + hyperdensity at R tentorium. Radiological diagnosis?

A. SAH
B. SDH
C. epidural hematoma
D. cerebral contusion

Answer 12

B. SDH

Question 13

Feature of malignancy in usg of breast
A. Anechoic
B. Smooth border
C. No vascularity
D. Hard elastography

Answer 13

D. Hard elastography

Question 14

Road traffic accident young male. Suspected acute traumatic aortic rupture. What is the feature that can support this diagnosis?

A. Widened mediastinum
B. Thin paratracheal stripe
C. Bilateral hilar enlargement
D. Lung consolidation

Answer 14

A. Widened mediastinum

Question 15

A man fell from height, landed on left chest wall, left lower zone well defined opacity on CXR, gradually resolved over 1 month.

A. Lung contusion
B. Lung cancer
C. Lung cyst
D. Pneumothorax
E. Foreign body

Answer 15

A. Lung contusion

Question 16

Which of the following is true for ischaemic brain infarct?
A. Hyperdense when chronic/old infarct on plain CT
B. Vaguely hypodense during acute phase on plain CT
C. Haemorrhagic transformation can occur in chronic stage
D. Diffusion weighted imaging is not useful in acute stage
E. Anticoagulation is indicated for haemorrhagic stroke

Answer 16

C. Haemorrhagic transformation can occur in chronic stage

Question 17

40 yo M complains of severe headache. CT brain shows hyperdensity in basal & suprasellar cistern, and sylvian fissure. No history of trauma. What is the diagnosis?
A. Epidural hemorrhage
B. Subdural hemorrhage
C. Subarachnoid hemorrhage
D. Intracerebral hemorrhage
E. Intraventricular hemorrhage

Answer 17

C. Subarachnoid hemorrhage

Question 18

18 year old young women present with breast mass, what investigation will you used?
A: Breast MRI
B: Breast USG
C:
D: Diagnostic mammogram
E: Screening mammogram

Answer 18

B: Breast USG (mammogram not done as young breast is dense)

Question 19

M/32 high speed road traffic accident, put on spinal board and transferred to AED. The patient is conscious, complains of severe chest pain and dyspnoea and his BP and HR are stable. On XR, his C-spine is normal, he has a large pneumothorax with tracheal deviation and multiple limb fractures. How would you manage this patient?
A. Needle thoracostomy at the mid-clavicular line, 2nd intercostal space
B. Remove neck immobilization and clear the C-spine clinically
C. Whole body CT to look for visceral injuries
D. Immobilize limb and put on plaster of Paris
E.

Answer 19

A. Needle thoracostomy at the mid-clavicular line, 2nd intercostal space

Question 20

Feature of benign breast cyst
A. Intralesional solid component
B. ?
C. Posterioracousticshadow
D. Dopplershowingintralesionalflow
E. Thinwallanechoic

Answer 20

E. Thinwallanechoic

Question 21

A 50-year-old man was involved in a multivehicle collision. The man was wearing a seat belt at the time and suffered from blunt trauma to the abdomen. Whole body trauma computed tomography (CT) was performed on arrival to the hospital which revealed free fluid and pneumoperitoneum. No other significant abnormality was identified. Which organ is MOST LIKELY to be injured in this man?
A. Bladder
B. Pancreas
C. Liver
D. Small bowel
E. Spleen

Answer 21

E. Spleen