Which of the following factors is (are) considered as the etiologies of hepatic infarction?

What is the most common primary tumor of sclerotic bone metastases?

According to the Goldman classification, which of the following features describes a grade III urethral injury?

The comet-tail artifact may be seen in all the following situations EXCEPT...

What is the most common Müllerian duct anomaly?

Which grade of renal injury, according to the American Association for the Surgery of Trauma (AAST), places a patient at risk of developing hypertension?

All the following are considered as predisposing risk factors for contrast-induced nephropathy (CIN) EXCEPT...

Which of the following is the most common tumor of the urinary system?

All the following are considered as predisposing factors for Achilles tendon tear EXCEPT...

Which of the following is considered the most common underlying cause of colovesical fistula?

Which of the following is the commonest predisposing factor for emphysematous cystitis?

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

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

A 12-year-old boy with a history of intellectual disability comes to the emergency department because of headaches and more frequently occurring seizures. Brain imaging (CT scan and MRI) shows a heterogeneous intraventricular mass measuring about 18 mm near the foramen of Monro,  with internal calcifications and marked contrast enhancement. Subependymal nodules and cortical tubers are the other imaging findings. Which of the following is the most likely diagnosis?

A 7-year-old boy with a history of intellectual disability and seizures comes to the emergency department because of headaches and more frequently occurring seizures. CT scan of the brain shows subependymal nodules with calcification, cortical foci with loss of the grey-white matter distinction, and a nodule partially obstructing the foramen Monro. Which of the following is the most likely diagnosis?

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?

All the following points may be the etiologies of a striated nephrogram on CTU 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?