Lung abscess. A single, contrast-enhanced axial CT scan image of the chest shows a large cavitary lesion in the left lower lobe with a relatively thick wall(black arrows). The cavity has a smooth inner margin and an air-fluid level (white arrow). There is inflammatory reaction in the surrounding lung (yellow arrow). Notice the acute angle the abscess makes with the posterior chest wall.
Trichobezoars are seen more frequently in pediatric patients and typically occur in young females with emotional problems. The prevalence rate varies from to This patient was operated upon and the stomach was filled by a mass formed fr.
Melanoma is the third most common primary neoplasm that metastasizes to the brain. MRI typically hyperintense secondary to hemorrhage or melanin (as above) typically hypointense C+ (Gd): typically enhances in a peripheral rim pattern or a dif
Insulinomas are the most common endocrine tumours of the pancreas. These tumours can be relatively small and multiphase contrast enhanced thin slice cross-sectional imaging is ideal. Most insulinomas are small (2/3rds less than 2cm at presentation) and hyper-vascular. Some contain calcification. Malignant tumours tend to be large. http://radiopaedia.org/articles/insulinoma
One uncommon, but recognised presentation of hepatocellular carcinoma, is with a haemoperitoneum. Hepatocellular carcinomas are often vascular and may present late with an acute abdomen and haemodynamic instability, as in this case with a large .