Source: Clujul Medical. Jun, Vol. Author s : VintilĂ, Marius; Andercou, Aurel; Duse, Adrian Abstract: Gastric neoplasm is one of the most common digestive tract cancers, entailing a high mortality rate.
The incidence of GEP-NENs has increased worldwide over the past decades, with the small intestine, rectum, and pancreas as the most common tumor locations. The epidemiological characteristics, pathogenesis and treatment have raised many questions, and some of them are still being debated. Here, we report a case of gastric collision tumor with large-cell neuroendocrine carcinoma and adenocarcinoma. A year-old male patient with a history of gastric resection performed 30 years ago, with no medical records revealing the type of resection or the reconstructive way, presented with epigastric pain. The endoscopy revealed a solid, ulcerated mass at the gastrojejunal anastomosis site from which a tissue biopsy was taken, which was reported as adenocarcinoma.
The gold standard in the diagnosis of gastric neoplasm and its complications is upper GI endoscopy associated with biopsy and histological testing, both for the screening and the individual diagnosis.
Patients come to the doctor relatively late mainly due gastric cancer location non-specific and nonsystematic symptomatology ; in Romania most cases are diagnosed at stages III or IV. The natural evolution of the disease varies according to the histological type, shape and location at the time of diagnosis, as well as the frequency, onset and especially severity gastric cancer location complications.
The complications of gastric cancer are of paramount importance in the evolution, as they are often the direct cause of the patient's death. The prognosis of the disease is closely correlated with the tumoral stage at the time of diagnosis, and surgical treatment still remains the only method to improve survival rate, especially in the early stages.
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