Search results for “abdominal ct ”
1,203 results found
Case
Abdominal wall and mesenteric desmoid fibromatosis (PET-CT)
Published
15 Oct 2021
91% complete
Nuclear medicine
Photo
Playlist
Abdominal pain cases (CT and x-ray)
20 cases
A collection of CT and plain film cases involving abdominal pain. Perfect for medical students, junior doctors and surgical trainees.
Question
Question 2682
In abdominal CT for patients with no bowel symptoms, in what approximate percentage of studies is the bowel wall fat halo sign seen as an incidental finding?
Question
Question 1624
A 50-year-old patient presents with left flank pain, dysuria and fever. A non-contrast abdominal CT is performed. Which underlying condition has the strongest association with the pathology seen in the image?
Article
Pneumoperitoneum (summary)
This is a basic article for medical students and other non-radiologists
Pneumoperitoneum describes gas within the peritoneal cavity and is often the harbinger of a critical illness, often perforation of a hollow viscus. Pneumoperitoneum is distinct from pneumoretroperitoneum (much rarer) and ma...
Article
Bowel perforation (summary)
This is a basic article for medical students and other non-radiologists
Bowel perforation is an acute surgical emergency where there is a release of gastric or intestinal contents into the peritoneal space.
Reference article
This is a summary article; read more in our article on bowel perfora...
Question
Question 2898
On abdominal CT images of a 55-year-old man, there is a 40 mm partially exophytic cystic mass in the upper pole of the left kidney that contains a 4 mm enhancing nodule with obtuse angles to the wall. What is the Bosniak class according to the Bosniak classification version 2019?
Question
Question 2897
On abdominal CT images of a 45-year-old man, there is a 55 mm partially exophytic cystic mass in the lower pole of the right kidney that contains a 3 mm enhancing nodule with acute angles to the wall. What is the Bosniak class according to the Bosniak classification version 2019?
Article
RANZCR key conditions assessment
The RANZCR key conditions assessment is an assessment mandated by the Royal Australian and New Zealand College of Radiologists (RANZCR) for first year radiology trainees prior to starting after-hours work and on-call duties.
The assessment is conducted locally by the training site, where clinic...
Article
Adrenal vein thrombosis
Adrenal vein thrombosis refers to the occlusion of the main central adrenal vein with or without extension to the capsular veins, resulting in hemorrhage and coagulative necrosis of the adrenal glands.
Epidemiology
Adrenal vein thrombosis is a rare condition with no reported incidence rates in...
Article
Testicular seminoma
Testicular seminomas are a type of germ cell tumor and the most common testicular tumor, accounting for ~45% of all primary testicular tumors. This article concerns only testicular seminomas; however, seminomas can arise outside of the testis, most often within the anterior mediastinum (see arti...
Article
Malignant peritoneal mesothelioma
Malignant peritoneal mesothelioma is an uncommon primary tumor of the peritoneal lining. It shares epidemiological and pathological features with - but is less common than - its pleural counterpart, which is described in detail in the general article on mesothelioma. Other abdominal subtypes (al...
Article
Abdominal adhesions
Abdominal adhesions are bands of scar tissue (fibrous or fibrofatty), most often occurring as a complication of previous abdominal surgery.
Pathology
Adhesions often occur with
multiple abdominal operations or previous postoperative intra-abdominal complications
history of intra-abdominal infla...
Article
Pancreas
The pancreas (plural: pancreata) is an unpaired, mostly retroperitoneal organ that has endocrine and exocrine functions, with a role in glucose metabolism and digestion.
Gross anatomy
Location
The pancreas is located at approximately the L1-L2 vertebral level in the anterior pararenal space o...
Article
Chilaiditi syndrome
Chilaiditi syndrome is the anterior interposition of the colon to the liver reaching the under-surface of the right hemidiaphragm with associated upper abdominal pain; it is one of the causes of pseudopneumoperitoneum.
Colonic gas in this position may be misinterpreted as true pneumoperitoneum ...
Article
Sonographic halo sign (disambiguation)
Sonographic halo sign can be useful in a number of situations:
hypoechoic halo sign (also known as target or bull's eye sign) in liver metastases: used in hepatobiliary imaging, is a concerning feature for malignant lesion if the lesion is a hyperechoic liver lesion 1,2
ultrasound halo in angi...
Article
Chilaiditi sign
Chilaiditi sign refers to the interposition of the bowel, usually colon, between the inferior surface of the right hemidiaphragm and the superior surface of the liver. It may be misinterpreted as a true pneumoperitoneum resulting in unnecessary further investigations and/or therapy (so-called ps...
Article
Lumbar trunk
The lumbar trunks (TA: truncus lumbalis) are paired lymphatic trunks that join to form the cisterna chyli, forming an integral part of the lymphatic system. The lumbar trunks carry lymph from the infraumbilical abdominal wall, pelvis and lower limbs 1,2. The intestinal trunk in the majority of p...
Article
Urinothorax
Urinothorax (plural: urinothoraces), also known as urothorax, is a rare cause of pleural effusion due to the accumulation of urine within the pleural space.
Clinical presentation
Patients present with varying degrees of respiratory distress depending on the amount of fluid that has accumulated...
Article
Small bowel feces sign
The small bowel feces sign can be observed on abdominal CT. The sign has been described as a finding specific for small bowel obstruction or another severe small bowel abnormality (e.g. metabolic or infectious disease).
While the reported prevalence of the sign in small bowel obstruction is low...
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