In which organ may a ‘beaver tail’ variant be found?

All the following signs are described in both, sigmoid and cecal volvulus EXCEPT...

Which of the following etiologies of splenic infarction is more common in younger patients?

What type of inflammatory enteritis often involves multiple vascular territories and the genitourinary system?

What surgical history carries a notably higher risk for developing internal hernia?

What is the most common diagnosis in patients who present to the emergency department with left upper quadrant pain?

What is the most frequent indication for emergency non-obstetric surgery in pregnancy?

All of the following are features of chronic ulcerative colitis, EXCEPT:

All of the following are features more typical of ulcerative colitis than Crohn disease, EXCEPT:

An 85-year-old man presents with complaints of per rectal bleeding, diarrhea and abdominal pain. Subsequently, he underwent contrast-enhanced CT abdomen which showed findings consistent with ischemic colitis. Which of the following is NOT usually seen in ischemic colitis?

A 10-year-old boy presents with a history of abdominal pain and constipation. A contrast-enhanced CT of the abdomen and pelvis was acquired. A single CT coronal image is provided. The boy is at risk of developing which of the following conditions?

A 20-year-old female presents with right flank pain and a high-grade fever. A selected image from a CTU is shown. What is the most likely diagnosis?

What is the most common cause of incisional hernia?

All of the following regarding point of care ultrasound (POCUS) to guide NG tube insertion are true EXCEPT...

A 5-month-old neonate was brought into the emergency department by his parents with complaints of vomiting, bloody stool, and periodical crying. An urgent ultrasound abdomen was performed. Transverse and longitudinal ultrasound images are provided. What is the most likely diagnosis?

A 6-year-old child presented with complaints of repeated bouts of vomiting. A single spot image from a barium meal examination is provided. What is the most likely diagnosis?

A 2-month-old neonate presents with abdominal distension and blood stained vomitus. His x-ray abdomen frontal view is presented. Which of the following is NOT a risk factor for this condition?

A newborn baby boy presented with bilious vomiting and abdominal distension. His frontal radiograph is shown. All of the following are possible causes of this appearance EXCEPT... 

A patient with untreated HIV (human immunodeficiency virus) infection in a developed country presents with altered mental status. Neuroimaging reveals multiple brain lesions associated with edema, contrast enhancement, and mass effect. What are the two most likely possibilities in the differential diagnosis?

Which animals lend their name to this imaging sign?