A variety of infectious agents may involve the liver, some of which have a distinctive appearance. Below is a description of some of the most important of these. Pyogenic abscess shows central ...

Duodenal lesions (benign, dysplastic or neoplastic) are rare. Symptoms include nausea and vomiting, loss of appetite and weight, anaemia and abdominal pain. Lesions in people who have inherited ...

The differential diagnosis of ring-enhancing lesions largely depends on the immune status of the patient. In the immunocompetent host, tumors -- both primary and metastatic -- and pyogenic abscesses ...

Image enhancement: PET/CT scan of a representative test subject. Arrows show lesions that have lower detectability in the non-TOF reconstructed image than in the deep learning for TOF (DL-TOF) ...