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Endoscopic Examination

An endoscope is an instrument for examining the interior of a canal or hollow viscus (any large interior organ). A variety of endoscopes have been developed for direct inspection of the interior of the stomach, larynx, colon, rectum, bladder, esophagus, and portions of the lung. Listed below are the more common endoscopic* examinations:

Bronchoscopy

Examination of the bronchi

Colonoscopy

Examination of the colon and rectum by means of an elongated flexible fiberscope

Colposcopy

Examination of tissue of the cervix and vagina by use of a magnifying lens inserted into the vagina

Cystoscopy

Direct visual examination of the interior of the urinary bladder

Esophagoscopy

Observation of the interior of the esophagus

Gastroscopy

Inspection of the interior of the stomach

Laryngoscopy

Examination of the larynx

Nasopharyngoscopy

Examination of the nasopharynx, pharynx, and the pharyngeal end of the auditory tube by lighted telescopic endoscope

Ophthalmoscopy

An examination in which an instrument containing a perforated mirror and lenses is used to examine the interior of the eye

Otoscopy

Inspection of the internal ear

Panendoscopy

A cystoscopy that permits wide angle viewing of the urinary bladder

Proctoscopy

Inspection of the rectum

Sigmoidoscopy

Inspection of the colon up to sigmoid flexure

Vaginoscopy

See Colposcopy.

* Colposcopy and otoscopy may not involve use of endoscopes. They are included here because they are diagnostic manipulative procedures.