Practical Pathology 4
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Transcript of Practical Pathology 4
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
PRACTICAL PATHOLOGY 4: CANCER COLON
A)Jars:-
Organ: Part of the large intestine
Description:
A large submucous tumour is bulging into the lumen of the intestine. The tumour: Is ovoid in shape Has smooth external surface Has a short narrow pedicle
Cut surface is whorly in appearance
Diagnosis: Myoma
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
Organ: Part of the large intestine
Description:
The ileocaecal junction is infiltrated by a large non-encapsulated grayishwhite, ill defined hard mass with focal translucent areas of jelly like
material
The tumour has invaded the wall of the caecum and sent similar tumourdeposits to the draining lymph nodes
Diagnosis: Mucoid carcinoma of the colon
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
Organ : Part of the large intestine
Description:
Segment of the left colon shows an ill defined grayish white non-encapsulated tumour invading the wall of the colon circumferentially
causing its constriction in a purse string like pattern.
The tumour is hard in consistencyDiagnosis: Annular carcinoma of the left colon
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
Organ: Part of the large intestine
Description:
A large ovoid ulcerative mass is seen. The ulcer is
Solitary Size: large Outline: Irregular Edge: raised and everted Floor: covered by blood clots and necrotic debris Base: hard, fixed and indurated
Diagnosis: Ulcerative carcinoma of rectum
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
Organ: Part of the large intestine
Description:
A solitary, large, fungating polypoidal mass projecting into the lumen Colour of the mass: grayish white Consistency: firm
Diagnosis: fungating carcinoma of the lower rectum.
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
B) Slides :-
Adenocarcinoma, colon:
Part of the colonic wall showing:
Focal mucosal ulceration The submucosa and muscle coat are by infiltrated by carcinomatous cells
arranged in glandular formations of different sizes and shapes
The tumour cells are mostly columnar and show large hyperchromaticnuclei
Mitotic figures are detected
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
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MODULE 18 GASTROINTESTINAL TRACT (PATHOLOGY)
ACE 2013/14
Mucoid carcinoma, colon
Part of the colonic wall showing.
Focal mucosal ulceration Infiltration of the submucosa as well as part of the muscuosa by clusters
and masses as well as occasional tubular formations of carcinomatous cells
showing large hyperchromatic nuclei and scant cytoplasm.
Mitotic figures are detected The tumour cells area seen within abundant mucous pools.
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