The first signs of stomach cancer
Cancer of the stomach is a malignant tumor of the gastric mucosa. The disease is classified according to the type of tissue affected. The most common form of stomach cancer is adenocarcenoma, which consists of mutated cells of the glandular tissue of the stomach.
Pathology accounts for 90% of all cancers. Oncology of the stomachdistinguishes also another kind of gastric cancer process - a sarcoma that develops from muscle, fat or blood tissue.
Timely diagnosis can completely cure malignant pathology. In connection with the meager clinical picture of neoplasms of the gastrointestinal tract, early diagnosis is significantly hampered. In most casesstomach canceris established in the late stages of the disease.
Causes of stomach cancer
The exact cause of malignant lesions of the stomach is unknown, but a number of factors increase the risk of pathology:
- Gender - in men, oncological diseases of the stomach occur twice as often as in women;
- Genetic - congenital anomalies of the structure of the digestive tract increases the risk of cancerous lesions;
- Geographic - malignant neoplasms are more common in the population of Japan, the countries of the former Soviet Union, Central and South America;
- Blood groups - people with the first blood group have a greater tendency to stomach cancer;
- Elderly - cancer is very often diagnosed in men and women aged 70-74 years;
- Family predisposition;
- Lifestyle factors such as smoking, alcohol abuse and eating low in fruit and vegetables significantly increase cancer risk;
- Infections of the stomach. Bacteria Helikobakter Pilori infects the mucosa and causes inflammatory changes in it.
The first signs of stomach cancer
In the early stages of the disease, the following symptoms can be observed in patients:
- Stomach upset, acidity and eructation:
The earliest signs of stomach cancer can be acidity and belching. Many patients with oncological diagnosis of symptoms of the disease observed for many years and not they paid no attention to them, because such signs were considered an indicator of inflammation stomach. According to statistics, for every 50 people with such symptoms one patient with a cancer diagnosis is necessary.
- A feeling of overflow of the stomach:
The first sign of stomach cancerIs an offensive sensation of satiety until the full intake of a normal amount of food. If such a perception of food lasts a long period of time, then the person begins to lose weight, which indicates the presence of a tumor in the stomach.
- Bleeding, fatigue and shortness of breath:
Even early stages of the disease can be accompanied by gastric bleeding. Chronic loss of blood can lead to the development of anemia. This means that the concentration of red blood cells is significantly lower than normal. Anemia is manifested by the pallor of the skin, a feeling of fatigue and even a violation of breathing.
Symptoms in the form of vomiting with spotting are not common symptoms, but can sometimes be detected. In this case, the blood has a bright color, which indicates a fresh internal wound. Conversely, if the blood has a dark color (coffee grounds), then this is a sign of long-standing bleeding.
- Increased blood clotting:
The formation of thrombi can also be considered asearly signs of stomach cancer. If there is a swelling of the legs, pain in the lower extremities along the course of the venous system and general weakness with shortness of breath it is necessary to consult an oncologist about the oncological diseases of the digestive system.
Early signs of stomach cancer
The first signs of stomach cancerin the course of the development of the disease, general symptoms of oncological diseases are added:
- Lack of appetite and weight loss:
Loss of appetite and body weight often act as symptoms of late stages of the cancer process, although some people lose their appetite from an early period of the disease.
- Presence of fluid in the abdominal cavity:
Ascites, or accumulation of fluid in the abdominal cavity, indicates the progression of cancerous growth;
- Blood in the feces:
Some cancers cause chronic bleeding in the stomach. The blood after passing through the entire digestive system becomes black.
Diagnosis of stomach cancer
If the doctor on the basis of the patient's complaints suspected an oncological problem with the stomach, the next stage of the examination is a gastroscopy, which is carried out with the help of special equipment.
The gastroscope is a thin, flexible telescope. It is introduced into the stomach through the oral cavity and esophagus, which allows us to examine in detail the entire internal surface and walls of the stomach.
To confirm the diagnosis, doctors use a biopsy, which consists in the lifelong removal of a small area of the affected tissue for histological examination.
Such diagnostic methods as ultrasound examination, radiography, MRI of the stomach are considered additional and allow us to clarify the shape, localization and structure of the tumor..