With the changes of lifestyle, the incidence of colorectal cancer is increasing year by year.Though the surgical techniques and adjuvant therapy means are continuously improving, the overall prognosis of patients is still poor. Micrometastasis of colorectal cancer is the main reason leading to recurrence and metastasis. Timely detection of micrometastasis is meaningful to accurately determine the condition, formulate reasonable treatment and improve survival time. With the development of medical detection and sophisticated means, the micrometastasis of coloroctal cancer detection has become the research hot spots. In this paper, the current status of micrometastasis of colorectal cancer detection methods, detection means and choice of marker are introduced.

From August 21 to December 13, 2018, a tetramine poisoning incident in Wenzhou, Zhejiang Province was investigated, and the clinical diagnosis and treatment of tetramine poisoning was analyzed. There were 6 cases of poisoning caused by artificial tetramine poisoning. The diagnosis was delayed, coma and convulsions were severe manifestations continuous renal replacement therapy (CRRT) was effective in the treatment of severe cases, and all 6 cases were cured. The possibility of poisoning should be considered for unexplained coma and/or convulsions. Although tetramine is banned, it still needs to be highly vigilant and avoids the recurrence of delayed diagnosis and treatment.

From August 21 to December 13, 2018, a tetramine poisoning incident in Wenzhou, Zhejiang Province was investigated, and the clinical diagnosis and treatment of tetramine poisoning was analyzed. There were 6 cases of poisoning caused by artificial tetramine poisoning. The diagnosis was delayed, coma and convulsions were severe manifestations continuous renal replacement therapy (CRRT) was effective in the treatment of severe cases, and all 6 cases were cured. The possibility of poisoning should be considered for unexplained coma and/or convulsions. Although tetramine is banned, it still needs to be highly vigilant and avoids the recurrence of delayed diagnosis and treatment.