Investigative procedures

CHAPTER 3 Investigative procedures



This chapter describes various investigative procedures commonly used in surgery. The procedures are described briefly, together with their indications and possible complications.



Conventional radiology


Radiographs penetrate differentially through tissues of the body, resulting in different exposure of the silver salts in the radiograph film. On a plain radiograph, gas and fat absorb few X-rays and consequently appear dark, while bone and calcified defects are poorly penetrated and appear white or radio-opaque.





Plain films





Contrast studies



Gastrointestinal tract







Biliary tree










Urinary tract









Vascular system




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Jun 14, 2017 | Posted by in GENERAL SURGERY | Comments Off on Investigative procedures

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