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Usefulness of source images from three-dimensional time-of-flight MR angiography after treatment of cavernous dural arteriovenous fistulas.
Radiat Med. 2003 Sep-Oct; 21(5):205-9.RM

Abstract

PURPOSE

Source images from three-dimensional time-of-flight MR angiography (3D TOF MRA) are useful for the diagnosis of cavernous dural arteriovenous fistulas. The purpose of this study was to assess the accuracy of source images from 3D TOF MRA compared with digital subtraction angiography (DSA) as a follow-up technique for the detection of residual or recurrent fistulas after treatment. We also assessed the effect of embolized materials in the evaluation of MRA.

MATERIALS AND METHODS

In 14 patients who were treated with embolization and/or radiation therapy, follow-up MRA and DSA were performed after a mean follow-up duration of 3 months. Two observers independently reviewed the source images from MRA in regard to the presence of hyperintense regions within the cavernous sinus and enlargement of the draining veins. They also assessed whether embolized materials affected the evaluation.

RESULTS

Sensitivity, specificity, and positive predictive value of source images from MRA in revealing residual or recurrent fistulas were 100% (9 of 9 true positive findings), 80% (4 of 5 true negative findings), and 90% (9 of 10 positive findings), respectively. In all five patients treated with platinum coils, hypointense areas in the cavernous sinus were observed but did not affect image evaluation.

CONCLUSION

Source images from 3D TOF MRA provided accurate diagnosis with no effect of embolized materials in the follow-up of treated cavernous dural arteriovenous fistulas.

Authors+Show Affiliations

Department of Radiology, Kumamoto University School of Medicine, Japan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

14632295

Citation

Hirai, Toshinori, et al. "Usefulness of Source Images From Three-dimensional Time-of-flight MR Angiography After Treatment of Cavernous Dural Arteriovenous Fistulas." Radiation Medicine, vol. 21, no. 5, 2003, pp. 205-9.
Hirai T, Korogi Y, Ikushima I, et al. Usefulness of source images from three-dimensional time-of-flight MR angiography after treatment of cavernous dural arteriovenous fistulas. Radiat Med. 2003;21(5):205-9.
Hirai, T., Korogi, Y., Ikushima, I., Shigematsu, Y., Morishita, S., & Yamashita, Y. (2003). Usefulness of source images from three-dimensional time-of-flight MR angiography after treatment of cavernous dural arteriovenous fistulas. Radiation Medicine, 21(5), 205-9.
Hirai T, et al. Usefulness of Source Images From Three-dimensional Time-of-flight MR Angiography After Treatment of Cavernous Dural Arteriovenous Fistulas. Radiat Med. 2003 Sep-Oct;21(5):205-9. PubMed PMID: 14632295.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Usefulness of source images from three-dimensional time-of-flight MR angiography after treatment of cavernous dural arteriovenous fistulas. AU - Hirai,Toshinori, AU - Korogi,Yukunori, AU - Ikushima,Ichiro, AU - Shigematsu,Yoshinori, AU - Morishita,Shouji, AU - Yamashita,Yasuyuki, PY - 2003/11/25/pubmed PY - 2004/3/5/medline PY - 2003/11/25/entrez SP - 205 EP - 9 JF - Radiation medicine JO - Radiat Med VL - 21 IS - 5 N2 - PURPOSE: Source images from three-dimensional time-of-flight MR angiography (3D TOF MRA) are useful for the diagnosis of cavernous dural arteriovenous fistulas. The purpose of this study was to assess the accuracy of source images from 3D TOF MRA compared with digital subtraction angiography (DSA) as a follow-up technique for the detection of residual or recurrent fistulas after treatment. We also assessed the effect of embolized materials in the evaluation of MRA. MATERIALS AND METHODS: In 14 patients who were treated with embolization and/or radiation therapy, follow-up MRA and DSA were performed after a mean follow-up duration of 3 months. Two observers independently reviewed the source images from MRA in regard to the presence of hyperintense regions within the cavernous sinus and enlargement of the draining veins. They also assessed whether embolized materials affected the evaluation. RESULTS: Sensitivity, specificity, and positive predictive value of source images from MRA in revealing residual or recurrent fistulas were 100% (9 of 9 true positive findings), 80% (4 of 5 true negative findings), and 90% (9 of 10 positive findings), respectively. In all five patients treated with platinum coils, hypointense areas in the cavernous sinus were observed but did not affect image evaluation. CONCLUSION: Source images from 3D TOF MRA provided accurate diagnosis with no effect of embolized materials in the follow-up of treated cavernous dural arteriovenous fistulas. SN - 0288-2043 UR - https://www.unboundmedicine.com/medline/citation/14632295/Usefulness_of_source_images_from_three_dimensional_time_of_flight_MR_angiography_after_treatment_of_cavernous_dural_arteriovenous_fistulas_ DB - PRIME DP - Unbound Medicine ER -