Symptoms of myoma in the stomach

summary

Gastric leiomyoma is known as the "hidden" killer. It is a kind of tumor that occurs in the digestive system or gastrointestinal system because the tumor cells originate from the interstitial soft tissue, which is produced in the gastrointestinal wall. It is a common type of gastrointestinal mesenchymal tumor, which seriously threatens the safety of patients. Tell us about the symptoms of myoma in the stomach.

Symptoms of myoma in the stomach

1. Gastrointestinal schwannomas: S-100 was expressed in only a few cases of GISTs, while S-100 was diffusely positive in gastrointestinal schwannomas, and CD117 and CD34 were negative.

2. The expression of CD117, CD34, S-100, SMA and desmin was negative in gastrointestinal autonomic neuroma. Neurosecretory granules could be seen under electron microscope. 　

3. In addition to local invasion, metastasis, recurrence and other factors, tumor location is also a factor to judge the malignant degree of GISTs. Generally speaking, the malignant degree of GISTs in stomach, esophagus and rectum is lower, while that of small intestine and colon is higher. Tumor size and mitotic number are also one of the criteria to judge the malignant degree of GISTs.

matters needing attention

How to determine the benign and malignant of stromal tumor is still a controversial issue in clinic. But now more and more scholars agree that it is no longer necessary to distinguish between benign and malignant stromal tumors, and only judge the risk of tumor according to tumor size and mitotic image. Generally speaking, those with diameter > 5cm are malignant. Therefore, early diagnosis and treatment are very important. Gastric stromal tumors can be detected by imaging physical examination, such as B-ultrasound, X-ray barium meal, gastroscopy, abdominal CT scanning, magnetic resonance imaging (MRI), pet, PET / CT, etc.