Items tagged “pm”

Atrial situs refers to the relative position of the cardiac atria in relation to abdominal viscera and the midline. Pathology Identification of atrial situs is an important initial step in the antenatal and postnatal diagnosis of cardiac structural and situs anomalies. Radiographic features ...

The pectinate muscles are "teeth of a comb" shaped parallel muscular columns that are present on the inner wall of the right and left atria. The right atrium has thick and coarse pectinate muscles while these are few smooth and thinner in the left atrium. A prominent pectinate muscle in the rig...

Pulmonary hepatisation refers to the pathologic alteration of lung tissue such that it resembles liver tissue. The term originates as a classic descriptor in surgical pathology, used to describe intermediate stages of lobar pneumonic consolidation. In imaging, the term is similarly used to desc...

A solitary pulmonary nodule, according to the Nomenclature Committee of the Fleischner Society, is defined as a rounded opacity, well or poorly-defined on a conventional radiograph, measuring up to 3 cm in diameter and is not associated with lymphadenopathy, atelectasis, or pneumonia. Several r...

Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive imaging technique to visualize the intra and extrahepatic biliary tree and pancreatic ductal system. It can provide diagnostically-equivalent images to ERCP and is a useful technique in high risk patients to avoid significant ...