gi radiology mbbs final
TRANSCRIPT
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RADIOLOGY OF GASTRO- INTESTINAL TRACT
Dr Rekha Khare MD Radiology
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GASTRO-INTESTINAL SYSTEM
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HOW TO IMAGE GASTROINTESTINAL TRACT?
Plain X-ray Contrast study : Barium study Ultrasound CT scan MRI
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PLAIN –X RAY ABDOMEN
Indication: Intestinal obstruction Intestinal perforation Imperforate anus Routine views: Erect abdomen AP Supine abdomen AP (Include part from diaphragm to pubic
symphysis)
Lateral upside down– Invertogram only for imperforate anus
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INTESTINAL OBSTRUCTIONDILATED BOWELS, HORIZONTAL AIR FLUID LEVEL, NO AIR IN THE RECTUM
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INTESTINAL OBSTRUCTION
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INTESTINAL OBSTRUCTION ON CT & U/S
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INTESTINAL PERFORATIONAIR UNDER RT DIAPHARGM
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INVERTOGRAM: IMPERFORATE ANUS
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BARIUM STUDY FOR GIT
What is Barium? Barium sulphate
It is contrast agent inert material when reaches to gastrointestinal tract whether oral or per rectal route, it opacifies the tract ( seen white on x ray)
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BARIUM SWALLOW--OESOPHAGUS
Common problem: Dysphagia difficulty in swallowing
Ask for Barium swallow:
Paste like Barium Ask the patient to swallow X-ray under fluoroscopy in
different views
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BENIGN STRICTURESMOOTH LONG NARROW SEGMENT NEEDS DILATATION
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CAUSES OF SIMPLE STRICTURE
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MALIGNANT STRICTUREIRREGULAR SHORT NARROW SEGMENT WITH PROXIMAL HOLD UP AND SHOULDER SIGN
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ACHLASIA CARDIAFAILURE OF ORGANISED PERISTALSIS WITH IMPAIRED RELAXATATION OF LOWER OESOPHAGEAL SPHINCTER
BIRD BEAK APPEARANCE CHRONIC SMOOTH DILATATION OF PROXIMAL OESOPHAGUS
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DIVERTICULUMSAC OR PROJECTIONS ARISING FROM SIDES OF OESOPHAGUS
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MOTILITY DISORDER NEUROMUSCULAR DISORDER ---CORK SCREW OESOPHAGUS
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OESOPHAGEAL ATRESIA
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BARIUM SWALLOW IN NEONATEOESOPHAGEAL ATRESIA
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CAUTION
If in doubt of tracheo-oesophageal fistula never be tempted to give liquid Iodine contrast, might cause Pulmonary oedma
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OESOPHAGEAL VARICESSERPIGINIOUS DEFECT DUE TO EXTREMELY DILATED SUB MUCOSAL VEINS IN LOWER THIRD OF OESOPHAGUS AS IN PORTAL HYPERTENSION
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BARIUM MEAL FOR STOMACH & DUODENUM
Common gastric problem: Acid peptic disease Peptic ulcer Mass epigastrium- after ultrasound Gastric outlet obstruction
Barium like thick milk, ask pt to drink, films in different projection
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GIT ON BARIUM STUDY
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ANATOMY OF STOMACH
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GASTRIC ULCER
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DUODENAL ULCER
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MASS STOMACH
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GASTRIC OUTLET OBSTRUCTION
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PYLORIC STENOSIS
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BARIUM MEAL FOLLOW THROUGH( FOR SMALL BOWEL)
Common problem: Any symptom causing subacute intestinal obstruction Right iliac fossa mass or TB ileocaecal
region
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BARIUM MEAL FOLLOW THROUGH
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BARIUM MEAL FOLLOW THROUGH
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DEFORMED CECUM, DILATED TERMINAL ILEUM AND OBTUSE ILEOCECAL ANGLE
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MULTIPLE STRICTURES _STRING SIGN
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SPASTIC CECUMTRANSIT TIME _ 10 HRS
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TB ILEOCAECAL REGIONCONTRACTED CECUM, NARROW IRREGULAR TERMINAL ILEUM & DISTORTED ILEOCAECAL ANGLE
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ILEOCECAL T.B. STRICTURE IN TRANSVERSE COLONASCITIC FLUID CYTOLOGY_ T.B. NATURE
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BARIUM ENEMA FOR LARGE BOWEL
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INDICATION FOR BARIUM ENEMA
Bleeding per rectum not for the haemorrhoids Difficulty in daefecation Altered bowel habit Chronic constipation
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BARIUM ENEMA
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MICROCOLON DOLICHOCOLON
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ULCERATIVE COLITIS DIVERTICULUMPIPE STEM COLON POUCH OR SAC
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POLYPOSISSINGLE CONTRAST & DOUBLE CONTRAST BARIUM ENEMA
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MALIGNANCY COLONSTRICTURE/ NARROWING, APPLE CORE DEFECT, FILLING DEFECT
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HIRSCHSPRUNG DISEASEAGANGLIONIC DISTAL COLON , NO PERISTALSIS, PROXIMAL DILATATION
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HIRSCHSPRUNG DISEASE
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ANAL ATRESIA- INVERTOGRAM
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CROHNS VERSUS ULCERATIVE COLITIS
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CROHNS VERSUS ULCERATIVE COLITIS
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COLITIS – PIPE STEM COLON
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COLLAR STUD ULCER- TOTAL COLITIS
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EXTENSIVE MUCOSAL ULCERATION
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HEPATOBILIARY SYSTEM
Ultrasound is the first choice then depending on CT scan or MRI could be the complementary investigation
Indication: Acute pain Rt hypochondrium Jaundice
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HEPATOBILIARY SYSTEMCASE WITH JAUNDICE
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GB CALCULUS ACUTE CHOLELITHIASIS
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PANCREAS ON ULTRASOUND NORMAL CHRONIC PANCREATITIS
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CHRONIC PANCREATITIS CALCIFICATION ON PLAIN X-RAY ON ULTRASOUND
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AC.CHOLECYSTITIS AC. PANCREATITIS
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T-TUBE CHOLANGIOGRAPHY CBD DILATATION
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HEPATIC MASS MRI ULTRASOUND
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THANK YOU Have a nice day