ABSTRACT
@#Small cell lung cancer is a pathological type with higher malignancy in lung cancer, and has biological characteristics different from non-small cell lung cancer, such as rapid growth, high malignancy and poor prognosis. Mediastinal lymph node and distant metastasis occur frequently. In recent years, the treatment of limited-stage small cell lung cancer has been stagnant, and various treatments are poor. The operation is mainly suitable for patients with small cell lung cancer (T1-2N0M0). Small cell lung cancer has strong sensitivity to chemotherapy, but the clinical application of neoadjuvant chemotherapy in T1-2N0M0 small cell lung cancer remains controversial. This article reviewed the value of neoadjuvant chemotherapy in the treatment of T1-2N0M0 small cell lung cancer.
ABSTRACT
@#Objective To investigate the significance of neoadjuvant chemotherapy in the treatment of limited-disease small cell lung cancer (LD-SCLC). Methods We retrospectively analyzed the clinical data of 55 LD-SCLC patients who underwent surgery in the Department of Thoracic Surgery, China-Japan Friendship Hospital from May 2007 to August 2016. There were 42 males and 13 females with a mean age of 57 years. All patients underwent clinical staging before treatment. According to the different treatments, the patients were divided into two groups, a preoperative neoadjuvant chemotherapy group and a direct surgery group. The comparison of long-term survival rates was made between the two groups. Results Among the 55 patients, median survival time was 27 months. The 1-, 3-, 5-year survival rate was 89.1%, 45.0%, 33.8% respectively. Treatment methods and clinical N stage were significantly different in prognosis (P<0. 05). The results of Cox proportional hazards regression model showed that clinical N stage was prognostic factor of LD-SCLC patients (P<0. 05). Conclusion Patients with clinical stage Ⅰ and Ⅱ SCLC are better to receive direct surgery. For patients with clinical stage Ⅲ, it is recommended to reach partial response or complete response with neoadjuvant chemotherapy before surgery. The status of lymph node metastasis is closely related to survival, thus identifying the accurate clinical stage is crucial before treatment.