Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
CASE REPORTS
The Usefulness of Super-Selective Computed Tomography Angiography (CTA) for Diagnosing and Localizing a Small Insulinoma
Akihiro KatayamaIzumi IsedaAtsuhito ToneYuichi MatsushitaKentaro InoueKeiko TsukamotoHaruhiro YamashitaIchiro YamadoriJun WadaKazuyuki Hida
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JOURNALS OPEN ACCESS

2010 Volume 49 Issue 18 Pages 1983-1986

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Abstract

Localization of insulinomas by preoperative imaging is critical for successful surgical resection. However, the visualization and localization of small insulinomas by recent imaging modalities still remains a challenge. Here, we report a 77-year-old woman with a small insulinoma successfully localized by performing arterial stimulation and venous sampling (ASVS), and subsequent super-selective CTA (SSCTA). It was not visualized by routine non-invasive imaging tests such as digital subtraction angiography (DSA). The small size (1.0 cm) of the surgically removed tumor supports the usefulness of SSCTA for localizing very small insulinomas.

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© 2010 by The Japanese Society of Internal Medicine
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