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  • Title: [Clinical outcomes and selection conditions of three-field lymph node dissection for thoracic esophageal squamous cell carcinoma].
    Author: Fang Q, Han YT, Wang SX, Ren GG, Peng L, Xiao WG, Chen LH.
    Journal: Zhonghua Zhong Liu Za Zhi; 2012 Mar; 34(3):212-5. PubMed ID: 22780977.
    Abstract:
    OBJECTIVE: To analyze the efficiency of cervical lymph node metastasis dissection and postoperative morbidity after selective three-field lymph node dissection (3FLND) for thoracic esophageal squamous cell carcinoma, and explore the proper selection conditions. METHODS: According to the conditions as follows: systemic evaluation, tumor T staging, tumor location, cervical CT and ultrasonography and the number of lymph nodes metastases, 85 patients with thoracic esophageal squamous cell carcinoma were selected and received 3FLND. RESULTS: In the same period 45.5% (85/187) of the patients received 3FLND selectively based on the conditions. The rate of the cervical lymph nodes metastasis was 40.0% (34/85). The rate of the cervical positive lymph nodes of the upper, middle and lower thoracic esophageal carcinomas with enlarged lymph nodes suggested by cervical CT and ultrasonography was 68.4% (13/19), 41.7% (20/48) and 16.7% (1/6), respectively. Twelve patients with upper thoracic esophageal carcinoma with enlarged lymph nodes unrevealed by cervical CT and ultrasonography showed no histopathological lymph node metastasis. In the same period 17.1% (32/187) of the patients were selectively not undergone three-field lymph node dissection. The cervical lymph node metastasis rates in patients with upper and middle mediastinal lymph node metastasis were 79.3% (23/29) and 58.6% (17/29), significantly higher than 8.9% (5/56) and 7.1% (4/56) in the patients without upper and middle mediastinal lymph node metastasis (P<0.05). There was no in-hospital mortality in the group. The incidence of pulmonary complications and over-all postoperative morbidity was 24.7% and 42.4%, respectively. CONCLUSIONS: Selective 3FLND based on certain conditions can reduce the risk of postoperative morbidity and improve the efficiency of metastatic cervical lymph node dissection in thoracic esophageal squamous cell carcinoma. The thoracic tracheoesophageal groove positve lymph node indicated by CT scans should be one of selective conditions for 3FLND. The upper thoracic esophageal carcinoma should selectively receive 3FLND. The selection standards should be more strict for the lower thoracic esophageal carcinoma.
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