Chapter-10 Radiology: Imaging Technique

BOOK TITLE: Surgical Anatomy: A Student’s Manual

1. Mazumdar Sibani
Publishing Year
Author Affiliations
1. Calcutta National Medical College, Kolkata, India, Calcutta National Medical College, Kolkata, West Bengal, India, Institute of Postgraduate Medical Education and Research (IPGMEandR), Kolkata, West Bengal, India, Calcutta National Medical College, Kolkata, West Bengal, India
Chapter keywords
Conventional radiography, radiological examination, superior extremity, shoulder joint, elbow joint, heart, abdomen, contrast radiography, descending pyelogram, ascending pyelogram, hysterosalpingogram


Radiology is the study of structures of body by means of radiograph. Normally soft tissues with slight thickness are not visible. So, the contrast media is used to identify soft structures. Contrast media are of two different types i.e. translucent and opaque. Angiographies, ultrasound, computed tomography, magnetic resonance imaging, mammography, etc. are some methods of imaging technique. The heart lies opposite to 5th, 6th, 7th and 8th thoracic (dorsal) vertebra. About one-third of the heart lies in the right of median plane and two-thirds to the left of median plane. Gastrointestinal tract is examined by aid of contrast media barium sulfate. The large intestine can be examined either after barium enema or a barium meal but barium enema is chosen, because it gives better shadow of the large gut. It is done by injecting 20–40 mL of dye (conray-420) through vein slowly. The anatomical details one more clearly visible in ascending pyelogram than excretion pyelogram. Imagining techniques for head and neck, cervical spine, and inferior extremity are also covered in this chapter.

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