Related Experiment Video
Updated: May 23, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
Published on: January 17, 2018
[A 78 year-old man with hyponatremia, malaise and weight loss caused by a pituitary mass]
Gudni Arnar Gudnason1, Sigridur Thordis Valtysdottir, Trausti Valdimarsson
1gudni.gudnason@hve.is
Abstract:
A 78 year-old male was admitted for rehabilitation after a trans-tibial amputation three months earlier. Scheduled training with a prosthetic leg was postponed due to muscle atrophy and weakness. As the patient's status deteriorated, blood results showed worsening hyponatremia.Work-up revealed pituitary insufficiency caused by a pituitary mass. The patient's general health improved greatly and the hyponatremia corrected after hormonal replacement therapy with hydrocortisone, thyroxin and testosterone was initiated. Key words: hyponatremia, malaise, weight loss, pituitary insufficiency, pituitary adenoma.
Related Concept Videos
Disorder of Water Balance
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Diabetes Insipidus I: Introduction
Hyperosmolar Hyperglycemic State
Diabetes Insipidus II: Pathophysiology
Nephrotic Syndrome I : Introduction
Nephrotic Syndrome III : Nursing Management
