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Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
Online ISSN 1827-191X
Dendo S., Inaba Y., Arai Y., Matsueda K., Aramaki T., Tanaka T., Furutani K., Fuwa N. *
From the Department of Diagnostic Radiology
*Department of Radiation Oncology Aichi Cancer Center, Chikusa-ku, Nagoya, Japan
Bare stents are commonly used for the treatment of malignant vena cava stenoses. However, the therapeutic effect of treatment using bare stents for cases with intraluminal tumor invasion is not satisfactory. We report a case with severe obstruction of the superior vena cava caused by tumor invasion of mediastinal lymph node metastases from colon cancer, which was successfully treated by the recanalization of superior vena cava using a polytetrafluoroethylene-covered Z stent. The covered stent could not be fully expanded at first, and re-obstruction developed at the stented site due to thrombus formation soon after stenting. So, the additional balloon dilatation made the stent expend fully on another day of stenting. After the balloon dilatation blood flow improved immediately and the clinical symptoms associated with the superior vena cava obstruction resolved. Thereafter no symptomatic recurrence has been observed in 12 months of follow-up period.