Symptomatic sacral perineural cysts (Tarlov cysts) accompanied by intra-cyst hemorrhage are rare. The treatment strategies have not been established. We report a 57-year-old woman with severe back pain due to a Tarlov cyst accompanying intracyst hemorrhage. Computed tomography angiography revealed an arteriovenous fistula (AVF) at the area surrounding the cyst. The patient underwent transcatheter arterial embolization for the AVF. Thereafter, the hematoma and cyst decreased in size, and clinical symptoms markedly improved with no additional surgery. Transcatheter arterial embolization may be an effective alternative to surgery for Tarlov cysts with vascular disease, including AVF.

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Uterine cervical hematoma is rare. A 51-year-old woman underwent pelvic magnetic resonance imaging (MRI) for uterine tumor survey. A large hematoma with cystic and solid lesions was observed in the uterine cervix. Follow-up MRI after 5 days revealed that the hematoma had decreased in volume. Pathological examination after surgery suggested there was usual-type endocervical adenocarcinoma (UEA) in the lower cervix and lobular endocervical glandular hyperplasia (LEGH) in the upper cervix, along with the cervical hematoma. The findings of this case suggest that the uterine cervical hematoma was secondary to either UEA or LEGH.