Case of the week

Created on September 26, 2022

Case of the Week

26 September 2022

1 / 2

All are true about splenic trauma except

Injuries to the spleen are one of the most common injuries in abdominal trauma

The spleen is the most vascular organ in the body.

Since bleeding in splenic injuries is mainly venous, it is well tolerated.

Unrecognized injury can be a cause of preventable traumatic death.

2 / 2

The CT scan of the abdomen in a patient with abdominal trauma demonstrates all except

Perisplenic hematoma

Small splenic laceration

Contrast extravasation

Free air

Your score is

The average score is 69%

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Previous week cases

Created on September 19, 2022

Case of the Week

19 September 2022

1 / 2

What is the diagnosis?

Typhilitis

Acute appendicitis with abscess

Crohn’s disease

Acute diverticulitis

2 / 2

All of the following are true about appendicular abscess except

It is the most common complication of acute appendicitis, in particular after a perforated appendix.

Ultrasound is the first investigation advised to evaluate a suspected appendicular pathology

Early diagnostic laparoscopy followed by drainage of the abscess is the preferred treatment of choice.

An appendicolith is always visualized within the abscess.

Your score is

The average score is 79%

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Created on September 12, 2022

Case of the Week

12 September 2022

1 / 2

What is the likely diagnosis on this contrast CT image of the Head

Langerhan's cell histiocytosis.

Pott's puffy tumor.

Acute sinusitis.

Non Hodgkins lymphoma.

2 / 2

Which of the following complications can be associated with this entity?

Subdural empyema.

Meningitis.

Epidural/cerebral abscess.

All of the above.

Your score is

The average score is 69%

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Created on September 06, 2022

Case of Week

06 September 2022

1 / 2

The above CT images demonstrate findings of all except?

Large right inguinoscrotal hernia

Incarceration

Cecal obstruction

Bladder obstruction

2 / 2

Which of the following statements about inguinal herniation is true?

Amyand hernia is an inguinal hernia containing the Meckel diverticulum.

The most common tumour of the inguinal canal is a lipoma

Littre’s hernia is an inguinal hernia containing the vermiform appendix.

Inguinal herniation of the ovary typically occurs in post-menopausal women.

Your score is

The average score is 36%

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Created on August 29, 2022

Case of the Week

29 August 2022

1 / 2

Identify the pathology at the right carotid arterial system

Carotid Dissection

Atherosclerotic plaque

Carotid web

Aneurysm

2 / 2

Which among the following is true about Carotid web

They are located along the posterior wall of the internal carotid artery bulb, just distal to the carotid bifurcation

The underlying process is fibromuscular dysplasia

They are also called carotid diaphragms

All the above

Your score is

The average score is 73%

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Created on August 22, 2022

Case of the Week

22 August 2022

1 / 2

What is the diagnosis on this contrast CT image of the Abdomen and Pelvis

Obstructed right inguinal hernia with high-grade small bowel obstruction

Obstructed right obturator hernia with high-grade small bowel obstruction

Obstructed right femoral hernia with high-grade small bowel obstruction

Obstructed right Richter hernia with high-grade small bowel obstruction

2 / 2

Which of the following statement is true regarding femoral hernia?

Femoral hernias are more common than inguinal hernias

Femoral hernias occur more commonly in men.

Femoral hernia will present with a characteristic bulge above the inguinal ligament.

Strangulation is the most common serious complication of a femoral hernia

Your score is

The average score is 67%

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Created on August 17, 2022

Case of the Week

17 August 2022

1 / 2

What is the most likely diagnosis on this noncontrast CT image of the brain?

Calcified meningioma

Intraventricular hemorrhage

Colloid cyst of the foramen of Monro

Pilocytic astrocytoma

2 / 2

The following are true about Colloid Cyst

It may present with postural headache

A specific diagnosis can be made on CT based on its location and density

It can result in obstructive hydrocephalus

All of the above

Your score is

The average score is 79%

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Created on August 08, 2022

Case of the Week

08 August 2022

1 / 2

In a patient with Crohn’s disease what is the feature seen in the above provided image?

Abscess

Enteric fistula

Free air

Bowel obstruction

2 / 2

Which of the following statements regarding Crohn’s disease is true?

The populations with the highest incidence of Crohn’s disease are in Spain, South America, and Asia.

The incidence among African Americans and Native Americans is higher than in those of Caucasian descent in North America

A person with Crohn’s disease is more likely to have a relative with Inflammatory Bowel Disease.

The highest prevalence is among individuals 50 to 80 years old.

Your score is

The average score is 68%

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Created on August 01, 2022

Case of the Week

01 August 2022

1 / 2

In this patient with recent vaginal hysterectomy, the CT images show

a) Pelvic fluid collection

b) Pelvic fat induration

c) Extraluminal gas

d) All of the above

2 / 2

All are true about Vaginal cuff dehiscence except

a) It is a common complication of hysterectomy

b) It is more common after laparoscopic hysterectomy

c) Presents with pain and vaginal bleeding or discharge

d) May be precipitated by intercourse

Your score is

The average score is 57%

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Created on July 25, 2022

Case of the Week

25 July 2022

1 / 2

The sign demonstrated on the contrast CT of the abdomen is

a) Drooping lily sign

b) Donald Duck sign

c) Double duct sign

d) Double arc sign

2 / 2

The underlying pathology is most likely to be

a) Periampullary neoplasm

b) Distal common bile duct calculus

c) Ureteric calculus

d) Pancreatitis

Your score is

The average score is 78%

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Created on July 18, 2022

Case of the Week

18 July 2022

1 / 2

The CT scan of the cervical spine shows

a) Type I odontoid fracture

b) Type II odontoid fracture

c) Type III odontoid fracture

d) Jefferson fracture

2 / 2

All of the following are true about odontoid fractures except

a) The incidence of this injury increases with age, making it the most common cervical spine fracture in the elderly population

b) Type III is the commonest type

c) Open mouth radiographs have been traditionally used in diagnosis, although CT is now the standard of care

d) Os odontoideum can mimic a type I fracture

Your score is

The average score is 54%

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Created on July 11, 2022

Case of the Week

11 July 2022

1 / 2

The radiographs of the shoulder depict

a) Anterior dislocation of the shoulder

b) Posterior dislocation of the shoulder

c) Bankart Lesion

d) Hill Sachs Deformity

2 / 2

All are true about Posterior dislocation of the shoulder, except

a) It is more common than anterior dislocation of the shoulder

b) can be difficult to identify if only AP projections are obtained

c) In adults, convulsive disorders are the most common cause

d) the humeral head is forced posteriorly in internal rotation while the arm is abducted

Your score is

The average score is 64%

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Created on July 07, 2022

Case of the Week

07 July 2022

1 / 2

In a patient with diverticulitis the arrow most likely indicates

a) Fistula

b) Adhesion.

c) Mass.

d) Stricture.

2 / 2

Of the following, the most common complication of diverticulitis is

a) Fistula

b) Neoplasm

c) Abscess

d) Bowel obstruction

Your score is

The average score is 64%

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Created on June 27, 2022

Case of the Week

27 June 2022

1 / 2

The arrow in the above image indicates a

a) Mass

b) Filling defect

c) Cavitary lesion

d) consolidation

2 / 2

Additional radiological signs which may be seen in Pulmonary Thromboembolism include

a) Right heart enlargement

b) Reflux of contrast into the IVC

c) Wedge-shaped lung opacity

d) All of the above.

Your score is

The average score is 66%

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Created on June 20, 2022

Case of the Week

20 June 2022

1 / 2

The images in this patient with acute onset of chest pain show

Aortic intramural hematoma

Hemopericardium

Potential cardiac tamponade

All of the above

2 / 2

The sign on the noncontrast CT that indicates this diagnosis is

Hyperdense crescent sign

Doughnut sign

Terry Thomas sign

Drooping lily sign

Your score is

The average score is 71%

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Created on June 13, 2022

Case of the Week

13 June 2022

1 / 2

The type of fracture is

a) Avulsion fracture

b) Greenstick fracture

c) Blowout fracture

d) Pathologic fracture

2 / 2

The structure that is fractured is the

Greater tube

Lesser tubercle

Humeral neck

Humeral head

Your score is

The average score is 78%

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Created on June 06, 2022

Case of the Week

06 May 2022

1 / 2

The CT scan of the neck shows

A) Peritonsillar abscess

B) Ludwigs Angina

C) Retropharyngeal abscess

D) Submandibular sialadenitis

2 / 2

All are true about retropharyngeal abscess except

a) Half of the retropharyngeal abscesses are believed to be attributed to antecedent upper respiratory tract infection

b) the number one cause of death in patients with retropharyngeal abscess is upper airway occlusion

c) Retropharyngeal abscesses are often polymicrobial infections.

d) Oral antibiotics are generally sufficient to treat this infection.

Your score is

The average score is 59%

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Created on May 30, 2022

Case of the Week

30 May 2022

1 / 2

The most likely diagnosis on this noncontrast CT of the abdomen is

a) Left kidney hypernephroma

b) Polycystic kidney disease (Adult type)

c) UPJ obstruction in the left moiety of a horseshoe kidney

d) Duplex collecting system with reflux (Weigert –Meyer phenomenon)

2 / 2

All of the following are true about horseshoe kidney except

a) More frequently encountered in males

b) Can be seen as part of Down Syndrome

c) Associated with increased susceptibility to trauma

d) Associated with increased susceptibility to trauma d) Ascent of the isthmus is halted by the superior mesenteric artery

Your score is

The average score is 50%

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16

Created on May 23, 2022

Case of the Week

23 May 2022

1 / 2

The images in this patient with acute onset of chest pain show

a) Aortic intramural hematoma

b) Hemopericardium

c) Potential cardiac tamponade

d) All of the above

2 / 2

The sign on the noncontrast CT that indicates this diagnosis is

a) Hyperdense crescent sign

b) Doughnut sign

c) Terry Thomas sign

d) Drooping lily sign

Your score is
The average score is 59%
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0%

46

Created on May 16, 2022

Case of the Week

16 May 2022

1 / 2

The CT images demonstrate findings of all except

1. Spondylitis

2. Discitis

3. Psoas phlegmon

4. Compression fracture

2 / 2

All of the following are true about spinal infection except

a) Accounts for less than 5% of osteomyelitis overall

b) Fever is a common presenting symptom

c) Vertebral endplates are more commonly involved because of their abundant vascular supply

d) The thoracolumbar junction is the most commonly affected segment of the spine involved in tuberculous infection

Your score is
The average score is 49%
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0%

Created on May 09, 2022

Case of the Week

09 May 2022

1 / 2

The delayed contrast CT images show

a) Rectal perforation

b) Intraperitoneal bladder rupture

c) Extraperitoneal bladder rupture

d) Hemoperitoneum

2 / 2

The following are true about extraperitoneal bladder rupture except

a) It is the least common type of bladder injury, accounting for 10 % of cases.

b) It is usually the result of pelvic fractures or penetrating trauma.

c) The site of injury is usually at the bladder base anterolaterally

d) It is represented by the molar tooth sign

Your score is

The average score is 43%

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45

Created on May 02, 2022

Case of the Week

02 May 2022

1 / 2

The pelvic radiograph shows

a) AVN of the left hip

b) AVN of the right hip

c) Left pubic ramus fracture

d) Right femoral neck fracture

2 / 2

Risk factors for this entity include all except

a) Femoral neck fracture or dislocation

b) Chronic steroid use

c) Abstinence from alcohol

d) Sickle cell disease

Your score is
The average score is 69%
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0%

33

Created on April 25, 2022

Case of the week

25 April 2022

1 / 2

The appropriate term for the injury seen on this CT scan is

a) Chance fracture

b) Chopart fracture

c) Choice fracture

d) Torus fracture

2 / 2

All are true of this injury except

a) These are flexion-distraction type injuries of the spine that extend to involve all three spinal columns

b) high association with visceral injuries

c) Often result from seat-belt injury

d) Patients with neurologic symptoms should be managed conservatively

Your score is
The average score is 58%
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0%

257

Case of the week

18 April 2022

1 / 2

The most likely diagnosis on this contrast CT of the abdomen and pelvis is

a) Mesenteric volvulus

b) Acute appendicitis

c) Gallstone pancreatitis

d) Perforated diverticulitis

2 / 2

All are true about this entity except

a) In the Western world, gallstones are the leading cause of acute pancreatitis, causing up to 40% of cases

b) Larger size of the stones increases the risk for biliary pancreatitis.

c) For patients with gallstones, the risk of biliary pancreatitis is up to 7% on long term follow-up

d) ERCP is indicated for ascending cholangitis

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Your score is

The average score is 59%

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105

Case of the week

11 April 2022

1 / 4

Findings are characteristic of

Trauma

Posterior reversible encephalopathy syndrome (PRES)

Cysticercosis

Pick’s Disease

2 / 4

The lesions are in the

Parietal lobes, grey matter

Frontal lobes, white matter

Temporal lobes, grey matter

Occipital lobes, white matter

3 / 4

The most likely diagnosis on this contrast CT scan is

a) Appendicitis

b) Intususception

c) Abdominal aortic aneurysm

d) Internal hernia

4 / 4

The following facts about this entity are correct except

a) Bariatric surgery predisposes to this condition

b) The foramen of Winslow is the most common location

c) Often presents with obstruction of bowel

d) CT is the modality of choice for its evaluation

Your score is

The average score is 73%

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119

Case of the Week

4 April 2022

1 / 2

The sign (lipohydrohemarthrosis) demonstrated on this CT of the knee joint is also eponymously called (based on its resemblance to a French pastry)

Perfect sign

Parfait sign

Prospect sign

Prescott sign

2 / 2

The etiology of this finding is

Patellar fracture

Tibial plateau fracture

Femoral condyle fracture

Tibial spine fracture

Your score is

The average score is 65%

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227

Case of the Week

16 March 2022

1 / 2

Radiologic signs of mesenteric ischemia visible on this image include all of the following except

Small bowel wall thickening

Mesenteric vascular gas

Mesenteric hyperemia

SMA occlusion

2 / 2

Of the following, the most specific sign of mesenteric ischemia is

Fluid levels in the bowel

Bowel wall thickening

Pneumatosis of the bowel wall

Free intraperitoneal air

Your score is
The average score is 58%
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0%

157

Case of the Week

07 March 2022

1 / 2

History: 13/y male with pain in right hip and walking difficulty.

What is the diagnosis?

Perthes disease

Slipped capital femoral epiphysis

Tuberculous arthritis

Juvenile rheumatoid arthritis

2 / 2

What is the main role of MRI in assessment of disease?

Early diagnosis

Cartilaginous involvement

Assessment of joint congruence and containment

All of the above

Your score is

The average score is 75%

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Case of the week

28 February 2022

1 / 2

The CT scan of the neck shows

Peritonsillar abscess

Ludwigs Angina

Retropharyngeal abscess

Submandibular sialadenitis

2 / 2

All are true about retropharyngeal abscess except

Half of the retropharyngeal abscesses are believed to be attributed to antecedent upper respiratory tract infection

the number one cause of death in patients with retropharyngeal abscess is upper airway occlusion

Retropharyngeal abscesses are often polymicrobial infections.

Oral antibiotics are generally sufficient to treat this infection.

Your score is

The average score is 56%

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