Respiration; international review of thoracic diseases · 2016
Left Adrenal Gland Analysis in Lung Cancer Patients Using the Endobronchial Ultrasound Scope: A Feasibility Trial.
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Crombag Laurence M M J, Annema Jouke T
Аннотация
BACKGROUND: In lung cancer patients, the adrenal glands are predilection sites for distant metastases. Esophageal endoscopic ultrasound - fine-needle aspiration (EUS-FNA) is a minimally invasive and accurate method for left adrenal gland (LAG) analysis but requires a conventional gastrointestinal echoendoscope. Complete endobronchial and esophageal mediastinal nodal staging can be achieved by just a single endobronchial ultrasound (EBUS) scope, introducing it into the esophagus (EUS-B) following the endobronchial procedure. Whether the LAG can also be assessed with the EBUS scope is unknown.
OBJECTIVES: The aim of the study was to investigate the feasibility of identifying the LAG with the EBUS scope.
METHODS: We conducted a retrospective analysis of lung cancer patients who underwent EBUS and EUS-B for mediastinal staging and LAG assessment between January 2013 and May 2015.
RESULTS: A total of 143 patients with (suspected) lung cancer were investigated by the combination of EBUS and EUS-B. In 68 of the 80 patients (85%) in whom an attempt was made to identify the LAG, it was feasible to transgastrically detect the LAG with the EBUS scope. In 9 patients with endosonographic signs of malignant involvement, diagnostic transgastric FNAs were obtained in all. In the 12 patients (15%) in whom the LAG was not detected, the contact between the ultrasound transducer and the gastric wall was suboptimal - the length of the scope was not a limiting factor.
CONCLUSIONS: The EBUS scope allows identification of the LAG in the vast majority of lung cancer patients.
IMPLICATION: In patients with (suspected) lung cancer, in addition to complete hilar and mediastinal staging, LAG assessment using just a single EBUS scope also seems feasible. Prospective studies are indicated.
OBJECTIVES: The aim of the study was to investigate the feasibility of identifying the LAG with the EBUS scope.
METHODS: We conducted a retrospective analysis of lung cancer patients who underwent EBUS and EUS-B for mediastinal staging and LAG assessment between January 2013 and May 2015.
RESULTS: A total of 143 patients with (suspected) lung cancer were investigated by the combination of EBUS and EUS-B. In 68 of the 80 patients (85%) in whom an attempt was made to identify the LAG, it was feasible to transgastrically detect the LAG with the EBUS scope. In 9 patients with endosonographic signs of malignant involvement, diagnostic transgastric FNAs were obtained in all. In the 12 patients (15%) in whom the LAG was not detected, the contact between the ultrasound transducer and the gastric wall was suboptimal - the length of the scope was not a limiting factor.
CONCLUSIONS: The EBUS scope allows identification of the LAG in the vast majority of lung cancer patients.
IMPLICATION: In patients with (suspected) lung cancer, in addition to complete hilar and mediastinal staging, LAG assessment using just a single EBUS scope also seems feasible. Prospective studies are indicated.