Scintigraphic Detection of I-125 Seeds Migration After Permanent Brachytherapy for Prostate Cancer How For Do Seeds Travel?

被引：1

作者：

Morooka, Miyako ^{[1
]}

Kubota, Kazuo ^{[1
]}

Kono, Yuzuru ^{[1
]}

Ito, Kimiteru ^{[1
]}

Kurihara, Kyoko ^{[1
]}

Mitsumoto, Takuya ^{[1
]}

Sato, Takashi ^{[1
]}

Oshiro, Yoshiko ^{[2
]}

Aruga, Takashi ^{[2
]}

Hasuo, Kanehiro ^{[2
]}

Kanemura, Mikio ^{[3
]}

Minowada, Shigeru ^{[3
]}

机构：

[1] Int Med Ctr Japan, Div Nucl Med, Tokyo 1628655, Japan

[2] Int Med Ctr Japan, Dept Radiol, Tokyo 1628655, Japan

[3] Int Med Ctr Japan, Dept Urol, Tokyo 1628655, Japan

来源：

CLINICAL NUCLEAR MEDICINE | 2009年 / 34卷 / 07期

关键词：

prostate cancer; brachytherapy; I-125; seed; seed migration; REGION; LUNG;

D O I：

10.1097/RLU.0b013e3181a7d1bd

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Radioactive seed implantation for the treatment of early-stage prostate cancer has become popular. Implanted I-125 seeds for brachytherapy are vulnerable to migration away from the prostate gland during dose delivery. It may result in altered dose distribution or unexpected seed embolization. Because of its small size (0.5 X 4.4 mm), the detection rate of migrated seeds using conventional x-rays is not satisfactory. We have developed a new scintigraphic method with 100% sensitivity, covering all low I-125 seed photopeaks. It may become the mainstream of monitoring seed migration instead of x-ray. We present some interesting cases, which were never expected without using scintigraphic detection.

引用

页码：466 / 469

页数：4

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