Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event

Hypercalcaemia is a common complication seen in malignancy, frequently due to paraneoplastic parathyroid hormone-related peptide production or osteolytic bony metastases. We present a 58-year-old female with immunotherapy-mediated hypophysitis causing secondary cortisol deficiency resulting in sever...

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Main Authors: Samuel R Miller, Shejil Kumar, Alexander Yuile, Alexander M Menzies
Format: Article
Language:English
Published: Bioscientifica 2023-01-01
Series:Endocrinology, Diabetes & Metabolism Case Reports
Online Access:https://edm.bioscientifica.com/view/journals/edm/2023/1/EDM22-0375.xml
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author Samuel R Miller
Shejil Kumar
Alexander Yuile
Alexander M Menzies
author_facet Samuel R Miller
Shejil Kumar
Alexander Yuile
Alexander M Menzies
author_sort Samuel R Miller
collection DOAJ
description Hypercalcaemia is a common complication seen in malignancy, frequently due to paraneoplastic parathyroid hormone-related peptide production or osteolytic bony metastases. We present a 58-year-old female with immunotherapy-mediated hypophysitis causing secondary cortisol deficiency resulting in severe glucocorticoid-responsive hypercalcaemia. Whilst hypophysitis is a well recognised adverse event in those receiving immunotherapy for advanced malignancy, it does not typically present with hypercalcaemia. The mechanism responsible for hypercalcaemia due to hypocortisolaemia has not been fully elucidated although hypotheses include the effects of volume depletion and thyroxine’s action on bone. Prompt treatment with glucocorticoids caused an improvement in the patient’s symptoms and corrected her hypercalcaemia which later returned after an attempted glucocorticoid wean. With the increasing uptake of immunotherapy, clinicians should be aware of this unusual presentation of immunotherapy-related hypophysitis and secondary hypocortisolaemia which can be life-threatening if the diagnosis is delayed.
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spelling doaj.art-04400989290d465e8809fbf89fc9403b2023-01-20T06:21:32ZengBioscientificaEndocrinology, Diabetes & Metabolism Case Reports2052-05732023-01-01111510.1530/EDM-22-0375Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse eventSamuel R Miller0Shejil Kumar1Alexander Yuile2Alexander M Menzies3Medical Oncology, Royal North Shore Hospital, Sydney, AustraliaEndocrinology, Royal North Shore Hospital, Sydney, AustraliaMedical Oncology, Royal North Shore Hospital, Sydney, AustraliaMelanoma Institute Australia; The University of Sydney; Faculty of Medicine and Health; The University of Sydney, Royal North Shore and Mater Hospitals, Sydney, AustraliaHypercalcaemia is a common complication seen in malignancy, frequently due to paraneoplastic parathyroid hormone-related peptide production or osteolytic bony metastases. We present a 58-year-old female with immunotherapy-mediated hypophysitis causing secondary cortisol deficiency resulting in severe glucocorticoid-responsive hypercalcaemia. Whilst hypophysitis is a well recognised adverse event in those receiving immunotherapy for advanced malignancy, it does not typically present with hypercalcaemia. The mechanism responsible for hypercalcaemia due to hypocortisolaemia has not been fully elucidated although hypotheses include the effects of volume depletion and thyroxine’s action on bone. Prompt treatment with glucocorticoids caused an improvement in the patient’s symptoms and corrected her hypercalcaemia which later returned after an attempted glucocorticoid wean. With the increasing uptake of immunotherapy, clinicians should be aware of this unusual presentation of immunotherapy-related hypophysitis and secondary hypocortisolaemia which can be life-threatening if the diagnosis is delayed.https://edm.bioscientifica.com/view/journals/edm/2023/1/EDM22-0375.xml
spellingShingle Samuel R Miller
Shejil Kumar
Alexander Yuile
Alexander M Menzies
Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
Endocrinology, Diabetes & Metabolism Case Reports
title Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
title_full Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
title_fullStr Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
title_full_unstemmed Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
title_short Hypercalcaemia secondary to hypophysitis and cortisol deficiency: another immunotherapy-related adverse event
title_sort hypercalcaemia secondary to hypophysitis and cortisol deficiency another immunotherapy related adverse event
url https://edm.bioscientifica.com/view/journals/edm/2023/1/EDM22-0375.xml
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