S-Space College of Medicine/School of Medicine (의과대학/대학원) Internal Medicine (내과학전공) Journal Papers (저널논문_내과학전공)
Silent corticotroph adenomas have unique recurrence characteristics compared with other nonfunctioning pituitary adenomas
- Cho, Hwa Young; Cho, Sun Wook; Kim, Sang Wan; Shin, Chan Soo; Kim, Seong Yeon; Park, Kyong Soo
- Issue Date
- WILEY-BLACKWELL PUBLISHING, INC
- CLINICAL ENDOCRINOLOGY; Vol.72 5; 648-653
- P>Objective The prevalence of silent corticotroph adenomas (SCAs) is not rare among nonfunctioning pituitary adenomas (NFPAs); however, it is unknown whether the clinical significance of SCAs differs from that of NFPAs without ACTH immunoreactivity (non-SCAs). Our goal was to compare the clinical characteristics and natural history between patients with SCAs and non-SCAs. Design/patients We reviewed the medical records of all patients who underwent transsphenoidal surgery for NFPAs from January 1990 to October 2007 at the Seoul National University Hospital. Measurements We analysed whether clinical manifestations at diagnosis, postoperative recurrence rate and recurrence characteristics differed between SCA and non-SCA patients. Results In total, 28 patients with SCAs and 134 patients with non-SCAs were analysed. The mean age at the time of diagnosis was 44 years (range, 13-67 years) in the SCA group and 50 years (18-79 years) in the non-SCA group (P = 0 center dot 026), with respective follow-up periods of 5 center dot 2 (range, 1 center dot 0-16 center dot 0 years) and 4 center dot 2 years (0 center dot 5-16 center dot 1 years) (P = 0 center dot 255). Overall recurrence rates of SCAs and non-SCAs were 25 center dot 0% and 26 center dot 9% respectively (P = 0 center dot 839). More than two recurrences (P = 0 center dot 001) and recurrence after more than 5 years (P = 0 center dot 040) were associated with SCAs. Multiple recurrences of SCAs were confined to younger patients. Conclusion The overall recurrence rate was similar between SCAs and non-SCAs. However, young patients with SCAs had a higher frequency of multiple and late recurrences, which showed more aggressive tumour behaviour. Therefore, we suggest that patients with SCAs, especially patients diagnosed at a young age, require careful long-term monitoring.
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