Pituitary & hypothalamus

Clinical features of anti-pituitary-specific transcription factor-1 (PIT-1) hypophysitis: a new aspect of paraneoplastic autoimmune condition

Eur J EndocrinolPublished Case series with literature review

Authors' conclusion

These findings provide new insights into the pathophysiology of paraneoplastic autoimmune hypophysitis.

Study context

Population
Patients with anti-PIT-1 hypophysitis, including a new case after ICI therapy
Participants
9 patients
Outcome
Clinical features of anti-PIT-1 hypophysitis
Methodological detailscomprehensive analysis of all reported cases, new case report
  • Comprehensive analysis of all reported cases
  • New case report

Main finding

As reported in the abstract

Extremely low growth hormone (GH), prolactin (PRL) and thyroid-stimulating hormone (TSH) levels
9 patients (all)
Slightly atrophic pituitary gland
2
Thymoma
4
Malignant neoplasms of diffuse large B-cell lymphoma (DLBCL) and other origins
5
HLA-A*24:02 and/or A*02:06 present
6
DR53 present
5 cases analyzed

Observational data: associations, not effects.

Original publication

Clinical features of anti-pituitary-specific transcription factor-1 (PIT-1) hypophysitis: a new aspect of paraneoplastic autoimmune condition. Eur J Endocrinol. Published 26 December 2023. doi:10.1093/ejendo/lvad179

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