Rationale and Objectives Positron emission tomography (PET) is actively investigated to aid in target volume definition for radiation therapy. The objectives of this study were to apply an automat...

When children learn, they are establishing basic knowledge matrixes on which they will build as they mature. Children may need more help than adults in developing and populating their knowledge mat...

Rationale and Objectives This article provides a survey of segmentation methods for medical images. Usually, classification of segmentation methods is done based on the approaches adopted and the ...

About once a day, our telephone rings and someone asks us to give money to something. Sometimes it is an organization we know about. Often it is one we have never heard of. The callers include our ...

As this is written, it is 2 weeks since the groundhog saw his shadow. In those 2 weeks, the nation’s capital has had almost 5 feet of snow. By the time this can be read, several months later, the h...

Rationale and Objectives Initial data suggest that elastography can improve the specificity of ultrasound in differentiating benign and malignant breast lesions. The aim of this study was to compa...

To The Editor: We congratulate Koyama et al on their recent report. They address important topics relating to the imaging of anatomic changes associated with emphysema. However, we would like to a...

Rationale and Objectives Sample-size estimation is an important consideration when planning a receiver operating characteristic (ROC) study. The aim of this work was to assess the prediction accur...

Rationale and Objectives Lung resection for primary bronchogenic carcinoma in the setting of chronic obstructive pulmonary disease often requires a detailed assessment of lung function to avoid pe...

The second edition of the Pocket Atlas of Radiographic Positioning is one of a three-volume set that also includes the Pocket Atlas of Radiographic Anatomy and the Pocket Atlas of Sectional Anatomy...