Y-nitinol airway stent for management of central airway compression due to metastatic colon cancer.

Tumor masses in the area between the esophagus and the tracheobronchial tree can lead to complications involving both systems, mainly strictures and compressions. Malignant esophageal strictures are nowadays often treated by insertion of a metal stent which, however, can cause airway compression especially in the proximal area. We present here a new method of creating a Y-stent out of two self-expandable tracheal nitinol stents, utilizing fiber bronchoscopy, in a 55-year-old woman with advanced colon cancer metastastic to the mediastinum.

Cellular composition of stent-penetrating tissue.

Background: A surprisingly low number (< 20%) of relevant (> 75%) restenoses occur in exophytic lesions after treatment with uncovered metal stents. The goal of this study was to investigate whether radial stent forces can exert localized influence on tumor growth.

Patients And Methods: In 17 patients, intraluminal tumor tissue was histologically investigated before and 1 week after stent implantation.

Extensive sampling improves preoperative bronchoscopic assessment of airway invasion by supracarinal esophageal cancer: a prospective study in 166 patients.

Background: The utility of fiberoptic bronchoscopy in the preoperative assessment of patients with esophageal cancer has not been thoroughly investigated. More accurate staging could improve the design of clinical trials and avoid inappropriate surgical decisions in individual patients.

Study Objective: To evaluate the utility of bronchoscopy in the preoperative assessment of airway invasion by supracarinal esophageal cancer.

Bronchoscopy in the preoperative staging of oesophageal cancer below the tracheal bifurcation: a prospective study.

Oesophageal cancer located above the level of the tracheal bifurcation is frequently complicated by its spread into the airways and by the simultaneous occurrence of malignant bronchial tumours. Although bronchoscopy is an essential procedure in identifying malignant tumoral invasion of the airways and detection of primary airway tumours in patients with suprabifurcal oesophageal cancer, its role in patients with infrabifurcal oesophageal cancer is not clear. This study aimed to assess the value of fibreoptic bronchoscopy in the preoperative staging of oesophageal cancer located below the level of the tracheal bifurcation.

[Flexible bronchoscopic implantation of Accuflex and Strecker stents in malignant bronchial stenoses].

Silicone and metal stents are available for the treatment of malignant bronchial stenoses. This project sought to compare the self-expanding nitinol Accuflex stent (Boston Scientific Corp; Watertown, Mass) with the passively expandable tantalum Strecker stent (Boston Scientific Corp; Watertown, Mass), both implanted by flexible bronchoscopy under local anesthesia and sedation. In 51 patients with malignant bronchial stenosis, 14 nitinol and 51 tantalum stents were used and stenoses of 75 to 100% were treated.