Case of the Week 25 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 48% LinkedIn Facebook Twitter 0% Restart quiz Previous week cases 18 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 36% LinkedIn Facebook Twitter 0% Restart quiz 32 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 63% LinkedIn Facebook Twitter 0% Restart quiz 26 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% LinkedIn Facebook Twitter 0% Restart quiz 0% 249 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 Please fill in empty fields Your score is The average score is 60% LinkedIn Facebook Twitter 0% Restart quiz Did you like this quiz Send feedback 96 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 74% LinkedIn Facebook Twitter 0% Restart quiz 114 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 64% LinkedIn Facebook Twitter 0% Restart quiz 221 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 57% LinkedIn Facebook Twitter 0% Restart quiz 149 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% LinkedIn Facebook Twitter 0% Restart quiz 32 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 55% LinkedIn Facebook Twitter 0% Restart quiz 36 Case of the week 21 February 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 82% LinkedIn Facebook Twitter 0% Restart quiz 45 Case of the week 14 February 2022 1 / 2 The CT images demonstrate findings of all except Spondylitis Discitis Psoas phlegmon Compression fracture 2 / 2 All of the following are true about spinal infection except Accounts for less than 5% of osteomyelitis overall Fever is a common presenting symptom Vertebral endplates are more commonly involved because of their abundant vascular supply The thoracolumbar junction is the most commonly affected segment of the spine involved in tuberculous infection Your score is The average score is 62% LinkedIn Facebook Twitter 0% Restart quiz 62 Case of the Week 07 February 2022 1 / 2 In a patient with bloody diarrhea, the CT findings include Colonic wall edema Pneumatosis coli Portal venous gas All of the above 2 / 2 The diagnosis is most likely Ulcerative colitis Ischemic colitis Amebic colitis None of the above Your score is The average score is 75% LinkedIn Facebook Twitter 0% Restart quiz 96 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 74% LinkedIn Facebook Twitter 0% Restart quiz 87 Case of the Week 10 January 2022 1 / 2 The noncontrast CT in this patient who is post cardiac arrest (left image current, right image prior for comparison) shows all the following signs except: Effacement of sulci, ventricles and basal cisterns Loss of gray-white matter differentiation Pontine hemorrhage Pseudo Subarachnoid hemorrhage sign 2 / 2 The physiologic basis for these changes in the given setting includes Ruptured aneurysm resulting in Subarachnoid hemorrhage Hypoxic injury resulting in cerebral edema Vascular occlusion resulting in cerebral infarct Dehydration resulting in Dural sinus thrombosis Your score is The average score is 62% LinkedIn Facebook Twitter 0% Restart quiz 65 Case of the Week 3 January 2022 1 / 2 In a young female with right pelvic pain the findings most likely represent Hydrosalpinx Appendicitis Ovarian torsion Diverticular abscess 2 / 2 The common organisms involved in PID are all except Chlamydia Gardnerella Neisseria Meningococcus Your score is The average score is 65% LinkedIn Facebook Twitter 0% Restart quiz 90 Case of the Week 27 December 2021 1 / 3 The location of the hemorrhage is the Falx Pons Midbrain Cerebellum 2 / 3 Risk factors for brainstem hemorrhage include Hypertension Vascular malformation Bleeding diathesis All of the above 3 / 3 The following are true about midbrain hemorrhage The majority present with acute symptoms Common presenting symptoms are alteration of consciousness and headache Most patients deteriorate rapidly In approximately 1/3 no cause is apparent Your score is The average score is 66% LinkedIn Facebook Twitter 0% Restart quiz 82 Case of the Week 20 December 2021 1 / 2 The CT images demonstrate a Gastric volvulus Small bowel volvulus Cecal volvulus Sigmoid volvulus 2 / 2 All are true except Approximately 60% of intestinal volvulus involves the sigmoid colon Sigmoid volvulus is more common in younger patients Bird beak sign is a radiologic feature of sigmoid volvulus Endoscopic detorsion in the initial treatment of choice Your score is The average score is 46% LinkedIn Facebook Twitter 0% Restart quiz 60 Case of the Week 24 January 2022 1 / 2 All of the following are correct except: Cecal volvulus accounts for approximately 50% of all intestinal volvulus Cecal volvulus generally occurs in somewhat younger patients than with a sigmoid volvulus. In the absence of bowel wall ischemia, the treatment can be performed endoscopically If unrecognized and untreated, it can result in bowel perforation and fecal peritonitis. 2 / 2 In a patient presenting with sudden onset of abdominal pain, the findings above are most suggestive of a Sigmoid volvulus Cecal volvulus Gastric volvulus Intusussception Your score is The average score is 45% LinkedIn Facebook Twitter 0% Restart quiz 115 Case of the Week 13 December 2021 1 / 2 The significant finding is Pneumobilia Pneumatosis Pneumothorax Pneumoperitoneum 2 / 2 Other causes of this finding include toxic caustic ingestion scleroderma steroids lymphangioleiomyomatosis Your score is The average score is 47% LinkedIn Facebook Twitter 0% Restart quiz 112 Case of the Week 6 December 2021 1 / 2 The significant abnormality is in the Pituitary gland Falx Pineal gland Septum pellucidum 2 / 2 The following are true about pituitary apoplexy except An existing pituitary macroadenoma is usually present Pregnancy is a predisposing factor It may result in oculomotor palsy Hypopituitarism is an uncommon sequelae Your score is The average score is 36% LinkedIn Facebook Twitter 0% Restart quiz 117 Case of the Week 29 November 2021 1 / 2 Hemorrhage is seen in all except Right thalamus Right lateral ventricle Left lateral ventricle Right frontal convexity 2 / 2 The pattern of hemorrhage is suggestive of a Bleed from vascular malformation Bleed from tumor Hypertensive bleed Ruptured aneurysm Your score is The average score is 71% LinkedIn Facebook Twitter 0% Restart quiz 115 Case of the Week 22 November 2021 1 / 2 The image shows Bartholin cyst Perianal abscess Urethral diverticulum Vulvar abscess 2 / 2 All of the following facts are true about this entity except much more common in females usually appears in early adolescence its size does not correlate with symptoms causes recurrent urinary infections Your score is The average score is 31% LinkedIn Facebook Twitter 0% Restart quiz 121 Case of the Week 15 November 2021 1 / 2 The radiograph shows Right AC joint subluxation Sternal fracture Left clavicle fracture Pneumothorax 2 / 2 All the following except ___________ can be better diagnosed on a lateral radiograph Vertebral compression fracture Sternal fracture Retropharyngeal abscess Widening of the carinal angle Your score is The average score is 64% LinkedIn Facebook Twitter 0% Restart quiz 79 Case of the Week 9 November 2021 1 / 2 The finding on this contrast CT of the neck is Peritonsillar abscess Thyroid mass Left internal carotid artery occlusion Parotid abscess 2 / 2 Predisposing factors include Hashimoto’s disease Sjogren syndrome Hypercholesterolemia Tonsillitis Your score is The average score is 56% LinkedIn Facebook Twitter 0% Restart quiz 77 Case of the Week 25 October 2021 1 / 2 In a patient with history of gastric sleeve surgery the hepatic finding seen on the CT images above most likely represents Thrombosed hepatic vein Thrombosed portal vein Dilated bile duct Hepatic laceration 2 / 2 All of the following statements are correct except Portal vein thrombosis is a common complication of laparoscopic bariatric surgery Portal venous flow is affected by increased intraabdominal pressure with carbon dioxide pneumoperitoneum Treatment of PVT is guided by the acuity of the disease and the underlying cause, if known Clinical presentation may be subtle and requires a high index of suspicion Your score is The average score is 31% LinkedIn Facebook Twitter 0% Restart quiz 66 Case of the Week 18 October 2021 1 / 2 The CT angiogram of the brain demonstrates all the findings except Left transverse sinus thrombosis Left sigmoid sinus thrombosis Left internal jugular vein thrombosis Basilar artery thrombosis 2 / 2 Risk factors for the above would include Heparin overdose Hemophilia Thrombocytopenia COVID-19 infection Your score is The average score is 55% LinkedIn Facebook Twitter 0% Restart quiz 65 Case of the Week 11 October 2021 1 / 2 In a patient experiencing abdominal pain following a motor accident the findings most likely represent Rectal perforation Small bowel perforation Urinary Bladder trauma Iliac vessel injury 2 / 2 The follow up delayed rescan confirms Intraperitoneal bladder rupture Extraperitoneal bladder rupture Malpositioned Foley Catheter Bowel rupture Your score is The average score is 65% LinkedIn Facebook Twitter 0% Restart quiz 74 Case of the Week 4 October 2021 1 / 2 In a patient with a recent drop in hemoglobin, the significant finding on this CT scan is Iliopsoas hematoma Gluteal hematoma Rectus sheath hematoma Hemoperitoneum 2 / 2 All are true about this condition except Generally self-limiting More common in males Contrast CT can demonstrate active hemorrhage Anticoagulation is a risk factor Your score is The average score is 59% LinkedIn Facebook Twitter 0% Restart quiz