gastrointestinal tract contrast studies

8/14/2019 Gastrointestinal Tract Contrast Studies

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GASTROINTESTINALGASTROINTESTINAL

TRACTTRACT

CONTRAST STUDIESCONTRAST STUDIES


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GASTROINTESTINAL TRACTGASTROINTESTINAL TRACT

Gastrointestinal tract is a hollow tubeGastrointestinal tract is a hollow tube

extending from pharynx to anal canal.extending from pharynx to anal canal.

This tube shows repetitive patternsThis tube shows repetitive patternsthrough out its course.through out its course.

The interpretation of a pattern is likely toThe interpretation of a pattern is likely to

be the same, whether the pattern is seenbe the same, whether the pattern is seen

in oesophagus or colon.in oesophagus or colon.


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GASTROINTESTINAL TRACTGASTROINTESTINAL TRACT

The main means of evaluating this hollowThe main means of evaluating this hollowtube is to fill it with contrast medium andtube is to fill it with contrast medium and

use the patterns seen in the lumen of theuse the patterns seen in the lumen of the

tube to evaluate entire structure of thetube to evaluate entire structure of the

disease affecting the tube.disease affecting the tube.


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CONTRAST MEDIUM USED:CONTRAST MEDIUM USED:

BARIUM SULPHATE:BARIUM SULPHATE:

Most commonly usedMost commonly used Iodinated water soluble contrastIodinated water soluble contrast

e.g. GASTROGRAFFINe.g. GASTROGRAFFIN

HyperosmolarHyperosmolar

Used when perforation is suspectedUsed when perforation is suspected


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METHODS OF STUDY :METHODS OF STUDY :

1.1. SINGLE CONTRST EXAMINATIONSINGLE CONTRST EXAMINATION

Here the lumen of the gut is filled andHere the lumen of the gut is filled anddistended with barium sulphatedistended with barium sulphate

suspension.suspension. The radio-opacity of the barium oftenThe radio-opacity of the barium often

limits the evaluation of gut to analyze itslimits the evaluation of gut to analyze its

margins only. To overcome this, multiplemargins only. To overcome this, multipleviews are taken in profile and also theviews are taken in profile and also thecompression views.compression views.


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METHODS OF STUDY :METHODS OF STUDY :

2-2- DOUBLE CONTRAST EXAMINATION:DOUBLE CONTRAST EXAMINATION:

Here the wall is coated with barium and theHere the wall is coated with barium and the

lumen is then distended with more radiolucentlumen is then distended with more radiolucentcontrast i.e. Air. It permits more detailedcontrast i.e. Air. It permits more detailed

evaluation of mucosal details.evaluation of mucosal details.

Because the lumen is not filled with radio-Because the lumen is not filled with radio-

opaque material, the lesion can be seen with inopaque material, the lesion can be seen with in

the central portion of lumen more easily thanthe central portion of lumen more easily than

with single contrast method.with single contrast method.


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Contrast examinationshould be done under

FLUOROSCOPIC

CONTROL.


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CONTRAST STUDIES:CONTRAST STUDIES:

Following are the procedures done toFollowing are the procedures done to

study gastrointestinal tract.study gastrointestinal tract.

1.1. Barium Swallow.Barium Swallow.

2.2. Barium meal.Barium meal.

3.3. Barium follow through.Barium follow through.

4.4. Small bowel enema/ Enteroclysis.Small bowel enema/ Enteroclysis.

5.5. Barium enema.Barium enema.


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BARIUM SWALLOW:BARIUM SWALLOW:

It is done to study PHARYNX &It is done to study PHARYNX &

OESOPHAGUS.OESOPHAGUS.

INDICATIONS:INDICATIONS: --

1.1. To investigate DYSPHAGIATo investigate DYSPHAGIA

2.2. To see the oesophageal mobilityTo see the oesophageal mobility

3.3. To see the oesophageal displacementTo see the oesophageal displacement


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Following is observed under fluoroscopicFollowing is observed under fluoroscopiccontrol.control.

Act of swallowing & mobility.Act of swallowing & mobility.Mucosa.Mucosa.Normal indentations.Normal indentations.

Ulcers & diverticulaUlcers & diverticulaStricture site, length, mucosa.Stricture site, length, mucosa.Displacement etc.Displacement etc.


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CERVICAL OESOPHAGUS:CERVICAL OESOPHAGUS:

Oesophegeal Web.Oesophegeal Web.

Oesophegeal Diverticula.Oesophegeal Diverticula.


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BARIUM SWALLOWBARIUM SWALLOW

Hiatus Hernia.Hiatus Hernia.

Sliding Type.Sliding Type.

Rolling Type.Rolling Type.


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BARIUM SWALLOWBARIUM SWALLOW

Oesophagitis.Oesophagitis.

Reflux Oesophagitis.Reflux Oesophagitis.Barretts Oesophagus.Barretts Oesophagus.

Moniliasis.Moniliasis.

Viral.Viral.Caustic Ingestion.Caustic Ingestion.


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Esophageal Strictures.Esophageal Strictures.

Inflammatory e.g.Inflammatory e.g.

Peptic, Corrosives, iatrogenic.Peptic, Corrosives, iatrogenic.

Neoplastic e.g: Carcinoma, MediastinalNeoplastic e.g: Carcinoma, Mediastinal

Tumors, Leiomyoma.Tumors, Leiomyoma.


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Oesophageal Varices.Oesophageal Varices.


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OESOPHAGUS:OESOPHAGUS:

Mallory-Weiss Tear.Mallory-Weiss Tear.Rupture of the Oesophagus.Rupture of the Oesophagus.

Boerhaaves Syndrome.Boerhaaves Syndrome.


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gastrointestinal tract contrast studies

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