Toriumi Ren, Yaegashi Hiroshi, Sakurai Takayuki, Takamatsu Shigeyuki, Shigehara Kazuyoshi, Izumi Kouji, Kadono Yoshifumi, Mizokami Atsushi
Departments of Integrative Cancer Therapy and Urology Kanazawa University Graduate School of Medical Science Kanazawa Ishikawa Japan.
Departments of Radiology Kanazawa University Graduate School of Medical Science Kanazawa Ishikawa Japan.
IJU Case Rep. 2022 Apr 12;5(4):237-240. doi: 10.1002/iju5.12444. eCollection 2022 Jul.
Recently, an absorbable hydrogel spacer is becoming more widespread to reduce rectal radiation dose for radiation therapy for localized prostate cancer.
A 79-year-old male patient was referred to our hospital for radical treatment of organ-confined prostate cancer. Low-dose-rate brachytherapy was performed, and the hydrogel spacer injection was added. The spacer was properly injected between the prostate and the rectum, causing no acute complications during hospitalization. Two months after low-dose-rate brachytherapy, the patient visited our hospital with constipation and melena, without fever. He was diagnosed with ischemic proctitis based on clinical courses and examinations. He was hospitalized for 19 days and made a complete recovery with conservative treatment.
Herein, we report the first case of ischemic proctitis after low-dose-rate brachytherapy using hydrogel spacer for prostate cancer.
最近，一种可吸收水凝胶间隔物在局部前列腺癌放射治疗中用于降低直肠辐射剂量的应用越来越广泛。
一名79岁男性患者因局限性前列腺癌根治性治疗转诊至我院。进行了低剂量率近距离放射治疗，并添加了水凝胶间隔物注射。间隔物被正确注射到前列腺和直肠之间，住院期间未出现急性并发症。低剂量率近距离放射治疗两个月后，患者因便秘和黑便前来我院就诊，无发热症状。根据临床病程和检查，他被诊断为缺血性直肠炎。他住院19天，经保守治疗完全康复。
在此，我们报告首例使用水凝胶间隔物进行前列腺癌低剂量率近距离放射治疗后发生缺血性直肠炎的病例。
