Super paramagnetic iron oxide contrast-enhanced magnetic resonance imaging was useful in differentiating an insulinoma from an accessory spleen: a case report with review of literature

IF 1.3 4区 医学 Q4 ENDOCRINOLOGY & METABOLISM Endocrine journal Pub Date : 2024-05-31 DOI:10.1507/endocrj.ej24-0142
Ema Toyokuni, Hiroshi Okada, Goji Hasegawa, Mayuko Kadono, Sayaka Kato, Mari Yoneda, Michiaki Fukui
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Abstract

When a neuroendocrine tumor with abundant blood flow is located in the pancreatic tail, it is difficult to distinguish it from accessory spleen. The patient was a 71-year-old woman who was admitted with impaired consciousness and hypoglycemia, raising suspicion of insulinoma. The selective arterial calcium injection test suggested a lesion in the pancreatic tail. Contrast-enhanced computed tomography and magnetic resonance imaging (MRI) showed a mass in the splenic hilum; however, its continuity with the pancreas was unclear. Contrast-enhanced MRI using super paramagnetic iron oxide (SPIO) showed no SPIO uptake in the splenic hilar mass. SPIO contrast-enhanced MRI is considered useful for differentiating pancreatic endocrine tumors from paraspleen tumors.

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超顺磁性氧化铁对比增强磁共振成像有助于区分胰岛素瘤和附属脾脏:病例报告与文献综述
当血流丰富的神经内分泌肿瘤位于胰腺尾部时,很难将其与附属脾脏区分开来。患者是一名 71 岁的女性,因意识障碍和低血糖入院,引起了对胰岛素瘤的怀疑。选择性动脉钙注射试验提示胰腺尾部有病变。对比增强计算机断层扫描和磁共振成像(MRI)显示脾门有肿块,但肿块与胰腺的连续性不清楚。使用超顺磁性氧化铁(SPIO)进行对比增强磁共振成像显示,脾门肿块中没有 SPIO 摄取。SPIO对比增强磁共振成像被认为有助于区分胰腺内分泌肿瘤和脾旁肿瘤。
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来源期刊
Endocrine journal
Endocrine journal 医学-内分泌学与代谢
CiteScore
4.30
自引率
5.00%
发文量
224
审稿时长
1.5 months
期刊介绍: Endocrine Journal is an open access, peer-reviewed online journal with a long history. This journal publishes peer-reviewed research articles in multifaceted fields of basic, translational and clinical endocrinology. Endocrine Journal provides a chance to exchange your ideas, concepts and scientific observations in any area of recent endocrinology. Manuscripts may be submitted as Original Articles, Notes, Rapid Communications or Review Articles. We have a rapid reviewing and editorial decision system and pay a special attention to our quick, truly scientific and frequently-citable publication. Please go through the link for author guideline.
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