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Aldosteronomas: Experience with Superselective Adrenal Arterial Embolization in 33 Cases¹

¹ From the Department of Radiology, Faculty of Medicine, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan. From the 2000 RSNA scientific assembly. Received November 7, 2001; revision requested January 21, 2002; final revision received July 26; accepted August 19. Address correspondence to H.H. (e-mail: hirofumi@m3.kufm.kagoshima-u.ac.jp).

View larger version (113K): [in a new window]   Figure a. Changes in aldosteronoma at imaging before and after successful SAAE in a 50-year-old woman. (a) Right inferior adrenal arteriogram (posteroanterior view) demonstrates a tumor stain (arrows) of adrenal adenoma. (b) Right inferior adrenal arteriogram (posteroanterior view) obtained after infusion of 0.8 mL of absolute ethanol through a microcatheter shows the tumor stain has disappeared. (c) Transverse contrast-enhanced CT scan obtained before SAAE shows a round mass (arrow) in the right adrenal gland. (d) On the transverse contrast-enhanced CT scan obtained after SAAE, the contrast medium causes minimal enhancement of the mass, which is an adenoma.

View larger version (120K): [in a new window]   Figure b. Changes in aldosteronoma at imaging before and after successful SAAE in a 50-year-old woman. (a) Right inferior adrenal arteriogram (posteroanterior view) demonstrates a tumor stain (arrows) of adrenal adenoma. (b) Right inferior adrenal arteriogram (posteroanterior view) obtained after infusion of 0.8 mL of absolute ethanol through a microcatheter shows the tumor stain has disappeared. (c) Transverse contrast-enhanced CT scan obtained before SAAE shows a round mass (arrow) in the right adrenal gland. (d) On the transverse contrast-enhanced CT scan obtained after SAAE, the contrast medium causes minimal enhancement of the mass, which is an adenoma.

View larger version (176K): [in a new window]   Figure c. Changes in aldosteronoma at imaging before and after successful SAAE in a 50-year-old woman. (a) Right inferior adrenal arteriogram (posteroanterior view) demonstrates a tumor stain (arrows) of adrenal adenoma. (b) Right inferior adrenal arteriogram (posteroanterior view) obtained after infusion of 0.8 mL of absolute ethanol through a microcatheter shows the tumor stain has disappeared. (c) Transverse contrast-enhanced CT scan obtained before SAAE shows a round mass (arrow) in the right adrenal gland. (d) On the transverse contrast-enhanced CT scan obtained after SAAE, the contrast medium causes minimal enhancement of the mass, which is an adenoma.

View larger version (175K): [in a new window]   Figure d. Changes in aldosteronoma at imaging before and after successful SAAE in a 50-year-old woman. (a) Right inferior adrenal arteriogram (posteroanterior view) demonstrates a tumor stain (arrows) of adrenal adenoma. (b) Right inferior adrenal arteriogram (posteroanterior view) obtained after infusion of 0.8 mL of absolute ethanol through a microcatheter shows the tumor stain has disappeared. (c) Transverse contrast-enhanced CT scan obtained before SAAE shows a round mass (arrow) in the right adrenal gland. (d) On the transverse contrast-enhanced CT scan obtained after SAAE, the contrast medium causes minimal enhancement of the mass, which is an adenoma.