Case of the Week Previous week cases 6 Created on January 23, 2023 Case of the Week 23 Jan 2023 1 / 2 The patient complains of left lower quadrant pain. Identify the pathology in the given axial and coronal CT images. Acute Epiploic appendagitis Acute Colitis Acute diverticulitis Mesenteric Panniculitis 2 / 2 Which among the following is true of above shown pathology? The most common location is sigmoid colon followed by ileocecal junction. A thin high-density rim, known as the hyperattenuating ring sign is seen with surroundinginflammatory fat stranding and thickening of adjacent peritoneum A central hyperdense dot representing a thrombosed pedicle may be seen. All of the above Your score is The average score is 67% LinkedIn Facebook Twitter 0% Restart quiz 13 Created on January 16, 2023 Case of the Week 16 Jan 2023 1 / 2 The CT scan of the abdomen with contrast shows Right portal vein thrombosis Left portal vein thrombosis Right hepatic vein thrombosis Left hepatic vein thrombosis 2 / 2 The accompanying hepatic attenuation abnormality most likely represents Neoplasm Infarct THAD (Transient Hepatic Attenuation Difference) Hepatitis Your score is The average score is 58% LinkedIn Facebook Twitter 0% Restart quiz 20 Created on January 09, 2023 Case of the Week 9 Jan 2023 1 / 2 What is the diagnosis in this 82 year old male patient with right lower quadrant pain? Ruptured abdominal aortic aneurysm Aortic dissection Penetrating atherosclerotic ulcer. Aortitis 2 / 2 All of the following findings are concerning for impending rupture of abdominal aortic aneurysm except Hyperdense crescent sign Focal contour bulge of the aneurysm Discontinuity of mural calcification Aneurysm size greater than 4 cm Your score is The average score is 40% LinkedIn Facebook Twitter 0% Restart quiz 24 Created on January 02, 2023 Case of the Week 2 January 2023 1 / 2 The contrast CT study images show Cholelithiasis Choledocholithiasis Nephrolithiasis Main portal vein thrombosis 2 / 2 This finding is often seen in association with Biliary obstruction Pancreatitis Both of the above None of the above Your score is The average score is 69% LinkedIn Facebook Twitter 0% Restart quiz 23 Created on December 26, 2022 Case of the Week 26 Dec 2022 1 / 2 Identify the fracture in the above given frontal and lateral radiograph of the wrist. Colles fracture Smith fracture Volar Barton Dorsal Barton 2 / 2 Which among the following is true for the above shown fracture in the radiograph? There is volar angulation of the distal fragment The mechanism of fracture is fall on a flexed wrist or direct blow to back of the wrist These fractures are also known as Reverse Colles fracture All of the above Your score is The average score is 43% LinkedIn Facebook Twitter 0% Restart quiz 25 Created on December 19, 2022 Case of the Week 19 December 2022 1 / 2 Based on the provided CT images, what is the most likely diagnosis? Double aortic arch Pseudocoarctation Coarctation of aorta Right aortic arch 2 / 2 Which of the following is the most common association of this condition? Turner syndrome Intracranial aneurysm Bacterial endocarditis Bicuspid aortic valve Your score is The average score is 48% LinkedIn Facebook Twitter 0% Restart quiz 20 Created on December 12, 2022 Case of the Week 12 Dec 2022 1 / 2 Identify the pathology in the above given Volume rendered 3D image and Axial/Sagittal CT Angio neck Carotid bub ectasia Hypervascular lymphadenopathy Carotid body tumour Glomus Vagale 2 / 2 Which among the following are true for above shown pathology? Carotid body tumours are located at the carotid bifurcation with characteristic splaying of the ICA and ECA, described as the lyre sign. MRI T1W shows characteristic salt and pepper appearance. DSA shows intense blush with early vein phenomenon. All the above Your score is The average score is 85% LinkedIn Facebook Twitter 0% Restart quiz 31 Created on December 05, 2022 Case of the Week 5 December 2022 1 / 2 The following are true about hepatic thrombus, Portal vein thrombus can be seen in malignancy or inflammation Hepatic vein thrombus can present as Budd Chiari syndrome Prior gastric bypass has been linked with hepatic portal vein thrombus. All of the above 2 / 2 The CT findings most likely represent Liver abscess with hepatic vein thrombosis Hemangioma with AV shunting Hepatoma with portal vein thrombus Cholangiocarcinoma with ductal dilatation Your score is The average score is 61% LinkedIn Facebook Twitter 0% Restart quiz 39 Created on November 21, 2022 Case of the Week 21 November 2022 1 / 2 All are true of SAH except Trauma is the most common cause Traumatic SAH tends to be more focal, corresponding to the site of injury MRI is the study of choice in SAH Contrast extravasation is an uncommon finding on CTA. 2 / 2 The likely diagnosis is Ruptured AVM with subdural hemorrhage Ruptured left ICA aneurysm with subarachnoid hemorrhage Ruptured dermoid with hydrocephalus Ruptured Rathke cleft cyst with pneumocephalus Your score is The average score is 63% LinkedIn Facebook Twitter 0% Restart quiz 30 Created on November 14, 2022 Case of the Week 14 November 2022 1 / 2 Identify the abnormality in above given lateral radiograph of the elbow Displaced coronoid fracture with joint effusion Radial head fracture with joint effusion Displaced Capitellum and lateral part of trochlea fracture with joint effusion Supracondylar fracture of the humerus with joint effusion 2 / 2 Which among the following are features of above shown abnormality? These are rare elbow injuries accounting for less than 1% of fractures around the elbow. The mechanism of injury is usually a fall on an outstretched hand, the radius imparting shearing force on the capitellum. The characteristic finding on the lateral x-ray in a type IV fracture is McKee's Double arc sign, because of subchondral bone of capitellum and lateral part of the trochlea All the above Your score is The average score is 68% LinkedIn Facebook Twitter 0% Restart quiz 28 Created on November 07, 2022 Case of the Week 07 Nov 2022 1 / 2 The neck radiograph shows Subglottic narrowing Thickened epiglottis Ballooning of the hypopharynx Retropharyngeal abscess 2 / 2 What is the name of the sign that the radiograph depicts? Steeple sign Thumb sign Candle dripping sign Corner sign Your score is The average score is 39% LinkedIn Facebook Twitter 0% Restart quiz 28 Created on October 31, 2022 Case of the Week 31 October 2022 1 / 2 What is the diagnosis? Organoaxial volvulus with gastric outlet obstruction Mesenteroaxial volvulus with gastric outlet obstruction Gastric ulcer with gastric outlet obstruction Small Bowel Obstruction 2 / 2 Which among the following is true about the above mentioned pathology/diagnosis? Rotation around short axis from the lesser to greater curvature (i.e. perpendicular to the cardiopyloric line) usually incomplete, <180° displacement of antrum above gastro-oesophageal junction; stomach appears upside-down with the antrum and pylorus superior to the fundus and proximal body More common in pediatric population than in adults All the above Your score is The average score is 43% LinkedIn Facebook Twitter 0% Restart quiz 26 Created on October 17, 2022 Case of the Week 17 October 2022 1 / 2 This combination of findings suggests Eosinophil granuloma Leukemia Sickle cell disease Gaucher Disease 2 / 2 The CT scan of the abdomen and pelvis shows Autosplenectomy Extramedullary hematopoiesis H-shaped vertebrae All of the above Your score is The average score is 44% LinkedIn Facebook Twitter 0% Restart quiz 24 Created on October 10, 2022 Case of the Week 10 October 2022 1 / 2 Identify the clinical entity in the above given axial and coronal images Closed loop small bowel obstruction Large bowel obstruction Sigmoid Volvulus Cecal Volvulus 2 / 2 Which among the following are features of above shown clinical entity Radially distributed C or U shaped loops Double beak sign Whirl sign All of the above Your score is The average score is 56% LinkedIn Facebook Twitter 0% Restart quiz 25 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 46% LinkedIn Facebook Twitter 0% Restart quiz 33 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 71% LinkedIn Facebook Twitter 0% Restart quiz 32 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 70% LinkedIn Facebook Twitter 0% Restart quiz 23 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 39% LinkedIn Facebook Twitter 0% Restart quiz 21 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 69% LinkedIn Facebook Twitter 0% Restart quiz 14 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 64% LinkedIn Facebook Twitter 0% Restart quiz 39 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 83% LinkedIn Facebook Twitter 0% Restart quiz 26 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 54% LinkedIn Facebook Twitter 0% Restart quiz 20 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 55% LinkedIn Facebook Twitter 0% Restart quiz 24 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 77% LinkedIn Facebook Twitter 0% Restart quiz 28 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% LinkedIn Facebook Twitter 0% Restart quiz 24 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 69% LinkedIn Facebook Twitter 0% Restart quiz 21 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 69% LinkedIn Facebook Twitter 0% Restart quiz 20 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 68% LinkedIn Facebook Twitter 0% Restart quiz 18 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 67% LinkedIn Facebook Twitter 0% Restart quiz
