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{{Esophageal cancer}}
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==Overview==
==Overview==
Although an occlusive tumor may be suspected on a [[barium swallow]] or [[barium meal]], the diagnosis is best made with [[esophagogastroduodenoscopy]] (EGD, [[endoscopy]]); this involves the passing of a flexible tube down the esophagus and visualising the wall. [[Biopsy|Biopsies]] taken of suspicious lesions are then examined [[histology|histologically]] for signs of malignancy. 
==Other Diagnostic Studies==
 
[[Image:Mid esophageal mass.jpg|left|300px|thumb|Endoscopy and radial endoscopic ultrasound images of submucosal tumour in mid-esophagus]]{{-}}
 
==PET==
[[FDG-PET]] (positron emission tomography) scan is also being used to estimate whether enlarged masses are metabolically active, indicating faster-growing cells that might be expected in cancer.  Esophageal [[endoscopic ultrasound]] (EUS) can provide staging information regarding the level of tumor invasion, and possible spread to regional lymph nodes.
[[FDG-PET]] (positron emission tomography) scan is also being used to estimate whether enlarged masses are metabolically active, indicating faster-growing cells that might be expected in cancer.  Esophageal [[endoscopic ultrasound]] (EUS) can provide staging information regarding the level of tumor invasion, and possible spread to regional lymph nodes.
 
[[Image:Mid esophageal mass.jpg|left|300px|thumb|Endoscopy and radial endoscopic ultrasound images of submucosal tumour in mid-esophagus]]
The location of the tumor is generally measured by the distance from the teeth. The esophagus (25 cm or 10 inches long) is commonly divided into three parts for purposes of determining the location. Adenocarcinomas tend to occur distally and squamous cell carcinomas proximally, but the converse may also be the case.
The location of the tumor is generally measured by the distance from the teeth. The esophagus (25 cm or 10 inches long) is commonly divided into three parts for purposes of determining the location. Adenocarcinomas tend to occur distally and squamous cell carcinomas proximally, but the converse may also be the case.



Revision as of 14:21, 14 September 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Other Diagnostic Studies

FDG-PET (positron emission tomography) scan is also being used to estimate whether enlarged masses are metabolically active, indicating faster-growing cells that might be expected in cancer. Esophageal endoscopic ultrasound (EUS) can provide staging information regarding the level of tumor invasion, and possible spread to regional lymph nodes.

Endoscopy and radial endoscopic ultrasound images of submucosal tumour in mid-esophagus

The location of the tumor is generally measured by the distance from the teeth. The esophagus (25 cm or 10 inches long) is commonly divided into three parts for purposes of determining the location. Adenocarcinomas tend to occur distally and squamous cell carcinomas proximally, but the converse may also be the case.

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