Latent Autonomous Cortisol Secretion from Apparently Nonfunctioning Adrenal Tumor in Nonlateralized Hyperaldosteronism

Youichi Ohno, Masakatsu Sone, Nobuya Inagaki, Yoshiyu Takeda, Isao Kurihara, Mika Tsuiki, Takamasa Ichijo, Norio Wada, Takuyuki Katabami, Yoshihiro Ogawa, Shintaro Okamura, Tomikazu Fukuoka, Tatsuya Kai, Shoichiro Izawa, Yuichiro Yoshikawa, Shigeatsu Hashimoto, Masanobu Yamada, Yoshiro Chiba, Mitsuhide Naruse

研究成果: Article査読

9 被引用数 (Scopus)


Context: Adrenal tumors (ATs), even those diagnosed as nonfunctioning, may cause metabolic disorders. Some primary aldosteronism (PA) patients with ATs are diagnosed with bilateral PA based on adrenal venous sampling (AVS), and their ATs are apparently nonfunctioning. Objective: To clarify the influence of apparently nonfunctioning ATs, we compared hormone levels and clinical complications between bilateral PA cases with and without ATs. Design, setting, and participants: After retrospectively assessing 2814 patients with PA in the multicenter Japan PA study, bilateral PA cases on AVS were divided into cases with and without ATs by computed tomography findings. Importantly, patients with cortisol levels >1.8 μg/dL after the 1-mg dexamethasone suppression test (DST) were excluded. Clinical characteristics and biochemical data were compared between them. The correlation between AT size and hormone levels was also analyzed. Main outcome measures: Analyzed were 196 bilateral PA patients with ATs and 331 those without ATs. Although basal cortisol and aldosterone levels were similar between them, cortisol levels after the 1-mg DST and the prevalences of diabetes mellitus and proteinuria were significantly higher and ACTH levels and plasma renin activity were significantly lower in cases with ATs than in those without. After adjusting for patients' backgrounds, cortisol levels after the 1-mg DST and plasma renin activity remained significantly different between them. Moreover, cortisol levels after the 1-mg DST and ACTH levels correlated with AT size. Conclusions: Apparently nonfunctioning ATs in bilateral PA cases may cause latent autonomous cortisol secretion, inducing diabetes and proteinuria.

ジャーナルJournal of Clinical Endocrinology and Metabolism
出版ステータスPublished - 2019 10月 1

ASJC Scopus subject areas

  • 内分泌学、糖尿病および代謝内科学
  • 生化学
  • 内分泌学
  • 臨床生化学
  • 生化学、医学


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