Of the common causes for exudative pleural effusions, parapneumonic effusions have the highest diagnostic priority. Even in the face of antibiotic therapy, infected pleural effusions can rapidly coagulate and organize to form fibrous peels that might require surgical decortication.
Retrogradation is the landward change in position of the front of a river delta with time.etrogradation is the landward change in position of the front of a river delta with time.
If you have been diagnosed with a retrolisthesis, you need to read. the whole of this web page to get a full understanding of your problem and. what to do about it. A retrolisthesis is a posterior displacement of one vertebral body with respect to an adjacent vertebrae to a degree less than a luxation.Typically a vertebra is said to be in a retrolisthesis position when it translates (slides) backward with respect to the vertebra below it.See classification below for more detail.f you have been diagnosed with a retrolisthesis, you need to read. the whole of this web page to get a full understanding of your problem and. what to do about it. A retrolisthesis is a posterior displacement of one vertebral body with respect to an adjacent vertebrae to a degree less than a luxation.