Overview
Pituitary apoplexy refers to a sudden onset of neurological and endocrine dysfunction due to hemorrhage or infarction within a pituitary adenoma, often presenting with severe headache, visual disturbances, and hormonal imbalances 2.Diagnosis
Clinical Presentation: Sudden onset of headache, visual field deficits, ophthalmoplegia, altered consciousness, and endocrine abnormalities 23.
Imaging: MRI or CT scan revealing pituitary enlargement, hemorrhage, or necrosis within a pituitary adenoma 23.
Endocrine Evaluation: Assess for hypopituitarism through hormone level measurements (e.g., ACTH, TSH, GH, prolactin, FSH, LH) 2.Management
Surgical Intervention: Emergency transsphenoidal surgery for decompression, particularly in cases with significant mass effect or visual impairment 13.
Conservative Management: For less severe cases, initial management may include high-dose corticosteroids to manage adrenal insufficiency and control inflammation 2.
Blood Conservation Techniques: In patients refusing blood transfusion (e.g., Jehovah's Witnesses), techniques like acute hypervolaemic haemodilution can be employed to minimize blood loss 1.Special Populations
Comorbidities: Consider underlying conditions such as chronic lymphocytic leukemia and hypogammaglobinaemia, which may predispose to pituitary abscess leading to apoplexy 4.Key Recommendations
Emergency Surgical Decompression for patients with significant neurological deficits or visual impairment due to pituitary apoplexy (Evidence: Strong 3).
Immediate Endocrine Support with high-dose glucocorticoids to manage adrenal insufficiency (Evidence: Moderate 2).
Utilize Blood Conservation Techniques in patients with religious objections to blood transfusion to minimize perioperative blood loss (Evidence: Weak 1).References
1 Yeap TB, Teah MK, Zenian S. Using acute hypervolaemic haemodilution as blood conservation technique in a Jehovah's witness patient undergoing an emergency transphenoidal surgery: a Sabah experience. BMJ case reports 2021. link
2 Pearce JM. On the Origins of Pituitary Apoplexy. European neurology 2015. link
3 Xenellis J, Stivaktakis J, Karpeta N, Rologis D, Ferekidis E. Pituitary apoplexy: a pathologic entity from an otolaryngologist's view. ORL; journal for oto-rhino-laryngology and its related specialties 2003. link
4 Kingdon CC, Sidhu PS, Cohen J. Pituitary apoplexy secondary to an underlying abscess. The Journal of infection 1996. link92814-5)