Giant sellar aneurysm presenting with arginine vasopressin deficiency: a rare case report - Summary - MDSpire

Giant sellar aneurysm presenting with arginine vasopressin deficiency: a rare case report

  • By

  • Xiaolong Zhang

  • Pengfei Wang

  • Baogen Pan

  • June 3, 2026

  • 0 min

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Objective:

To report a case of a giant sellar aneurysm presenting as diabetes insipidus, highlighting its rarity and challenging conventional diagnostic paradigms for sellar mass lesions.

Key Findings:
  • Diabetes insipidus as the primary symptom of a giant sellar aneurysm is exceedingly rare, necessitating awareness among clinicians.
  • The case highlights the need to include aneurysms in the differential diagnosis of sellar lesions, particularly when atypical symptoms are present.
  • Successful multidisciplinary management improved the patient's symptoms and quality of life, demonstrating the importance of collaborative care.
Interpretation:

The case illustrates an unusual presentation of a giant sellar aneurysm, emphasizing the importance of considering vascular lesions in the diagnosis of sellar masses and their potential to mimic other conditions.

Limitations:
  • The rarity of the case limits generalizability, as similar presentations may not be widely recognized.
  • Further research is needed to understand the mechanisms behind such presentations and their implications for diagnosis and treatment.
Conclusion:

This case advances the understanding of giant sellar aneurysms and provides a foundation for future research to mitigate misdiagnosis and enhance patient quality of life, underscoring the need for heightened awareness in clinical practice.

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