1 What is a “flat plate” of the abdomen? Flat plate is a historical term that refers to a past method of radiography when radiographs were recorded on flat plates of glass coated with an emulsion sensitive to x-rays. This…
1 What is the radiographic appearance of an endotracheal tube (ETT), and where is it optimally placed? An ETT usually appears as a faintly radiopaque tube with a thin, densely radiopaque line along its length, and its position should be…
1 Describe the normal pleural anatomy and physiologic features. The pleural space is a potential space that contains 2 to 10 mL of pleural fluid between the visceral and parietal pleural layers that essentially represents interstitial fluid from the parietal pleura…
1 Describe the anatomy of the mediastinum. The mediastinum is located centrally within the thorax between the pleural cavities laterally, the sternum anteriorly, the spine posteriorly, the thoracic inlet superiorly, and the diaphragm inferiorly. It is usually divided into anterior,…
You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
24.1 Introduction Special procedures are defined by the following characteristics: ▪ Unique beam configuration, accessories, or radiation delivery device settings compared to other treatments such as 3D conformal radiation therapy (3D CRT) or intensity-modulated radiation therapy (IMRT) ▪ Relative number…
23.1 Introduction The goal of intraoperative radiotherapy (IORT) is to deliver a single high dose of radiation at the time of surgery to enhance tumor control. IORT is typically useful in cases where a complete surgical resection will be difficult.…
22.1 Introduction Prostate brachytherapy is one of several treatment techniques available for patients with localized disease. Prostate brachytherapy is currently practiced using two different techniques: (1) prostate seed implant (PSI) using low dose rate (LDR) sources and (2) high dose…
21.1 Introduction Interstitial brachytherapy has a long tradition, starting with radium needles being implanted in superficial tumors in the 1930s. The implant systems developed at the time, Manchester and Quimby, still guide the needle placement patterns used in implants today.…