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![Page 1: Dr David Swar Department of General Surgery (Resident) Stomach and colorectal diseases Qilu hospital, Shandong University.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec05503460f94bcabd1/html5/thumbnails/1.jpg)
Dr David Swar
Department of General Surgery (Resident)
Stomach and colorectal diseases
Qilu hospital, Shandong University
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AppendixCaecumRight OvarySmall bowel
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Urinary BladderUterusSmall bowelRectum
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Sigmoid colonLeft ovarySmall bowelRectum
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Descending colonSmall bowelKidney Adrenal gland
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SpleenColonStomachKidneyAdrenal gland
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StomachDuodenumTr colonAortaPancreas
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LiverGallbladderColonDuodenumKidneyPancreaseAdrenal gland
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Ascending colonKidneyAdrenal gland
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AortaSmall bowel
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• Right iliac fossa :
GIT causes:
- Appendix
- caecum
- crohn’s disease (abscess)
- TB
- carcinoid tumor
- amoebic mass (amoeboma)
extra-GIT causes: - ovarian tumor or cyst - psoas abscess - hernia - transplanted kidney - tumors of un-descended testis
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• Hypogastrium :
- urinary bladder: full bladder, tumors or urine retention.
- ovarian tumor or cyst
- pregnancy
- uterine tumors
- small bowl obstruction
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• Left iliac fossa : GIT causes: - Loaded sigmoid colon (in sever
constipation) - carcinoma of sigmoid or
descending colon - diverticular abscess - Bilharzial colonic mass - amoebic mass (amoeboma)
extra-GIT: - ovarian tumor or cyst - psoas abscess - hernia - transplanted kidney - tumors of un-descended testis
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• Left hypochondrium :
- splenomegally
- tumor in splenic flexure
- stomach
- kidney
- suprarenal gland
- subphrenic abscess
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• Epigastrium : - retroperitoneal lymphadenopathy - left lobe of liver - aortic aneurysm - stomach - pancreatic pseudocyst or tumor - carcinoma of the transverse colon - small bowl obstruction
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• Right hypochondrium : - hepatomegaly - gallbladder - subphrenic abscess - kidney - suprarenal gland
• Umbilical : - aortic aneurysm - small bowl obstruction - pancreatic pseudocyst or tumor
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1- History .
2- Clinical Examination .
3- Investigations .
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• Abdominal mass is a common surgical presentation .
• A full history should be obtained .
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1- When & Where ?
• Ask the Patient when he first noticed the mass and where .
• Be precise about the time course and location .
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2- What ?
• What brought his attention to the mass .
he felt / saw it
felt a pain & saw a mass
someone else told him
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3- Associated symptoms • Pain / tenderness .
• Fever .
• Nausea / vomiting .
• Weight loss / anorexia .
• Abdominal distension .
•Dysphagia .
• jaundice .
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4- Changed or not ?
• Ask whether the mass changed in size .
• Ask if changed in consistency .
• Ask if he noticed a change in the color of the overlying skin .
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5- Disappear or not ?
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• Perform a full physical examination .
• Examine the mass .
1- Inspection .
a- site b- shape
c- size d- color
e- surface f- edge
g- pulsation
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2- Palpation .
a- temperature b- tenderness
c- composition d- reducibility
e- pulsation f- surface
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h- composition
1-consistancy 2- fluctuation
3-fluid thrill 4- translucency
5-percussion
6-pulsatility
7-compressibility
8-auscultation for bruit
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i- relation to surrounding structures
j- state of regional LN
k- state of local tissue
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* CBC * RFT * LFT
* UA * electrolyte
A- Ultrasonography
B- Radiology
1- plain radiology
2- contrast radiology
3- CT
4- MRI
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A- Upper GI endoscopy
B- Lower GI endoscopy
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Suspect Clinically .
Confirm by Imaging .
Prove by Histology .
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Crohn's disease
Intestinal TB
Colon Cancer
Abdominal Aortic Aneurism
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ETIOLOGY The etiology of Crohn's disease is unknown, and possible causes have been the subject of many theories.
Crohn's disease is more likely the result of a combination of multiple predisposing factors and environmental or infectious triggers that set an immunologic derangement into motion
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Pathophysiology
The earliest gross manifestation is the development of small aphthous
ulcers →→enlarge and become stellate →→ coalesce to form
longitudinal mucosal ulcerations.
Further development of disease leads “cobblestone” appearance,
The inflammation involves the mesentery and regional lymph
nodes.
cobblestone appearance
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It is categorized based on the gross pattern. The three categories of Crohn's disease are:
1. inflammatory, Uncomplicated inflammation is manifested by mucosal ulceration and thickening of the bowel wall. it can often be relieved with medical treatment.
2. perforating, characterized by the development of fistulae and abscesses. It dictates the surgical strategy.
3. stricturing, is referred to as “fibrostenotic” lesions. Fibrotic strictures are not reversible with medical treatment, so that symptomatic stricturing disease often requires surgical management
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Clinical manfistationa) Crohn's Disease of the Small Bowel
The symptoms of small bowel Crohn's disease include 1. chronic abdominal pain(in up to 90% of cases), 2. weight loss, 3. fever, 4. anorexia .5. a tender palpable mass associated with an abscess or
phlegmon. 6. Fistulization to the skin, urinary bladder, or vagina may also
occur.7. An enlarged inflammatory mass that adheres to the
retroperitoneum can compress the right ureter and cause symptomatic ureteral obstruction and hydronephrosis.
b) Patients with Crohn's disease of the colon typically have1. diarrhea along with abdominal pain 2. and hematochezia.
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1. laboratory tests• No specific laboratory test allows the diagnosis of
Crohn's disease to be made.
• Occasionally, tissue obtained during endoscopic biopsy can be diagnostic.
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• Typical radiographic appearance of extensive jejunoileal Crohn's disease.
2. Radiography of the Small Bowel
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• Crohn's disease of the terminal ileum. Resultant mass effect has displaced several loops of small bowel from the right lower quadrant.
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3. Colonoscopy • The best for colon and rectum. • Characteristic features of Crohn's
disease seen on colonoscopy include:
1. aphthoid ulcers, 2. discrete ulcerations that usually
track along the long axis of the bowel,
3. diseased mucosa separated by areas of normal mucosa,
4. rectal sparing,5. and strictures
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4.Computed Tomography
• The most typical finding of uncomplicated Crohn's disease is thickening of the bowel wall.
• CT can be useful in identifying the complications associated with Crohn's disease, and when an abscess or inflammatory mass is suspected, CT of the abdomen and pelvis should be performed.
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• Computed tomogram showing an abscess of the right lower quadrant resulting from Crohn's disease
of the terminal ileum.
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Indications for Operation
1. Failure of Medical Management
2. Intestinal Obstruction
3. Enteric Fistulae
4. Abscess and Inflammatory Mass
5. Hemorrhage is an uncommon complication
6. Perforation is a rare complication
7. Cancer and Suspected Cancer
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Etiology:
Caused by M.tuberculosis which come from :
1-Ingestion of contaminated food
2-From other TB focus in the body
Pathophysiology
•Ulceration
•Lymph node enlargement
• Caseation and calcification
•Healing with formation of strictures
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• Low grade fever• Weight loss• Anemia• Diarrhea• Vague lower abdominal pain• Frank rectal hemorrhage• Ascites• Intestinal obstruction
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• Plain x-ray of chest and abdomin
• Contrast enema show distortion of caecum
• US ,CT,MRI show:
1. thickened bowel loops
2. Intestinal obstruction
3. Lymph node enlargement and calcification
4. Abscess or ascites
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• Primary treatment is chemotherapy like
Isoniazid,rifampicin,streptomycin,
Ethanbutol• Surgeon task:
1. Establish diagnosis by laparoscopy if necessary
2. Manage complications such as bleeding ,obstruction.
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• Accounts for 14% of all cancer death (second to lung cancer)
• Risk factors include:1.Adenomatous polyps2.Genetic Factor3.Dietary Factors4.Inflammatory Bowel Disease
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• abdominal pain & tenderness
• change in bowel habit
• blood in stool
• weight loss
• intestinal obstruction
• abd. & rectal exam. may reveal a mass .
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• Sigmoidoscopy
It is a must along with PR examination
Can show any mucosal abnormality up to mid sigmoid colon (25 cm)
• Barium enema• Colonoscopy
It visualize the entire colon
but takes a long time and expensive
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It is surgical and require hemicolectomy Complications include:• Hemorrhage• Damage to bladder,ureter,small
bowel,spleen,sexual function• Stenosis• Diarrhea/constipation
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• pulsating abd. Mass .
• pain sudden , sever , constant ,in the abdomin
may radiate to back or flank
• paleness
• rapid pulse
• N/V , fatigue
• excessive sweating
• shock
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•X-ray
Often diagnostic
may show calcific rim(egg shell)
•US
Can also evaluate blood flow in renal and visceral
•CT
Accurate characterization of aorta ( wall thickness)
•Cardiac Work up
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• Replacement of blood loss
• Incise the aneurism, evacuate the surrounding hematoma
• Renal insufficiency is the most common complication
• Mortality rate up to 50%
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