Post-traumatic hypopituitarism has remained as an obscured cause of worsening morbidity and mortality in head injury patients. Researchers have for decades been puzzled by the mechanism of pituitary dysfunction in these cases. Amongst other causes like direct injury, vascular injury etc, an immunological basis of hypopituitarism has been suggested in some animal studies as well as human research. In this article, we have reviewed the latest articles and compiled the evidence which suggests for or against the role of autoimmunity in post-traumatic hypopituitarism or which defines the strength to which autoimmunity has been established as a cause of head-injury induced pituitary dysfunction.
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