Esophageal cancer is a type of disorder that begins when healthy cells change and grow out of control in the oesophagus, forming a mass (tumour).
The esophagus is a 10-inch-long, muscular, hollow tube that links the throat to the stomach. It is a portion of the gastrointestinal tract. When a person swallows, the oesophagus's walls contract to force food downward into the stomach through peristalsis (involuntary constriction and relaxation of the muscles, creating wave-like movements pushing the contents forward).

Esophageal cancer occurs when healthy cells transform and expand uncontrollably, becoming a tumour. A tumour may be malignant (may develop and spread to other organs) or benign (grows but does not spread). Esophageal cancer, starts in the oesophagus' lining cells.
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If it spreads through the esophageal wall, it can travel to lymph nodes (small, bean-shaped organs that help fight infection), blood vessels in the chest and other organs. Esophageal cancer can also spread to the lungs, liver, stomach, and other parts of the body.
There are mainly 2 main types of esophageal cancer, the treatment for each of these kinds of esophageal cancer is same. They are:
Esophageal cancer is so common that it is the 8th most prevalent cancer in the world, with an incidence of 4, 56, 000 new cases each year.
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There are various sign and symptoms of esophageal cancer. It is not necessary that they all must be presented in all the patients. The esophageal cancer symptoms include:
Also, it must be understood that merely the manifestation of sign or symptoms may not be concluded as esophageal cancer. These symptoms can also be seen in other medical conditions as well.
While there is no clear answer, various risk factors (such as tobacco and alcohol) have been identified promoting esophageal cancer by disrupting the DNA in esophagus-lining cells.
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DNA mutations alter tumour suppressor genes that govern cell division. Altering the function of tumour suppressor genes causes uncontrolled cell growth. Esophageal cancer requires changes in numerous genes. DNA mutations are of 2 types - inherited and acquired gene mutations
There are various risk factors for esophageal cancer. Esophageal squamous cell carcinoma develops from tiny polypoid excrescences (distinct outgrowth, resulting from disease/abnormality), denuded epithelium (loss of surface layers), and plaques (a sticky deposits in which microbes grow), which are often seen in the middle of the oesophagus.
Poor oral hygiene and tooth loss: Poor oral health could potentially be a risk factor for oesophageal cancer. The various factors through which poor oral health could cause oesophageal cancer are:
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Maintenance of diet, body weight, and physical activity - Indulgence in balanced diet is as essential as maintenance of a healthy weight.
Testing for gastroesophageal reflux disease or Barrett’s esophagus - Treating people with gastroesophageal reflux disease may help prevent Barrett’s esophagus and esophageal cancer.
Yes. There are better chances of recovery from esophageal cancer if found very early, but its symptoms are noticeable usually in an advanced stage. At later stages, treatment of esophageal cancer can be palliative, but rarely can be cured. The treatment options and prognosis always depend on the:
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Yes. Magnetic resonance imaging (MRI) can be utilised for diagnosing esophageal cancer. MRI has a poor specificity but a high sensitivity for identifying esophageal cancer. Nevertheless, it must be understood that MRI is contraindicated in the following patients with:

Treatment for symptoms and adverse effects may also be included in the care plan. Some of the most typical approaches of treating esophageal cancer which include:
Yes. esophageal cancer can be diagnosed through blood tests. There are various biomarkers which establish the diagnosis of esophageal cancer. They are:
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Back pain is one of the symptoms of advanced esophageal cancer. It occurs if the metastasis of esophageal cancer spread into the pericardium (membrane that encloses heart) or mediastinum (membrane between lungs). The other symptoms of advanced esophageal cancer include:
While chronic irritation accompanied by long-standing infections are focussed on a localised esophageal tissue, it causes esophageal ulcers. Negligence of esophageal ulcers over time can increase the risk of esophageal cancer. Helicobacter pylori is usually the microbe which causes the infection of esophagitis.
No. The metastatic esophageal cancer is the advanced stage in which the curable rates are very low. In these patients only palliative therapy can be provided. Around 20% of the patients with stage 4 esophageal cancer will survive for 1-year or more after they are diagnosed.
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Yes, ultrasound is used to detect esophageal cancer. The staging of esophageal cancer is mostly determined by computed tomography and endoscopic ultrasonography. Endoscopic ultrasonography better performs than computed tomography and is regarded as the most precise imaging technique for esophageal cancer staging. Clinical staging of esophageal cancer is essential for deciding perioperative care and treatment choices, particularly T staging.
The options for esophageal cancer diagnosis are extensive and must be understood that all the tests may not be utilised on everyone. When deciding which for a specific diagnostic test, the oncologist can consider:
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While not conclusive, the physician may prescribe for a chest X-Ray which could provide an additional value to the preliminary tests after completing physical examination.
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About 18 months or longer active therapy is necessary for stage 2 breast cancer. The range of therapy vary from surgery and six weeks of radiation to a comprehensive regimen of chemotherapy, radiotherapy, and biologic treatments.
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