Gastrointestinal Endoscopic Images

Dr Sanjoy Sanyal

MBBS, MS, MSc, ADPHA, ADHRD

Associate Professor

These pictures were extracted from a series of four articles on surgical endoscopy, which were written by Dr Sanjoy Sanyal (principle author / surgeon) and Dr Arvind Khurana (co-author / gastroenterologist) in 'SURGERY' journal in 1998 in New Delhi, India. The pictures represent actual cases worked-up in clinical settings. The pictures may be downloaded and used for academic / educational purposes, with acknowledgement of the source (Creative Commons Licence with Attribution, Non-commercial).

Typical End-viewing Endoscope

• Two light-guides (‘eyes’) at 3 and 9 o’clock

• Instrument (biopsy) channel for accessories and suction at 6 o’clock position

• Objective lens / air-water nozzle at 12 o’clock position

No

rmal

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No

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Diagrammatic representation of landmarks around duodenal papilla

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sa N

orm

al Rec tal M

uco

sa

No

rmal

Rec

tal M

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sa N

orm

al Rec tal M

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Normal Transverse Colon

Rectal Carcinoma

R

ecta

l Po

lyp

Sigmoid Diverticulosis

Pse

ud

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s C

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rano

us

Co

litis

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ic T

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nic T

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s is

Colonic Tuberculosis

Amoebic Colitis

Rad

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Pro

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R

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n P

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