Parathyroid apoplexy from giant adenoma with mediastinal extension: A case report
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José Paz-Ibarra 1 2 , Marcio José Concepción-Zavaleta 3 * , Fernando Quinto-Reyes 1 2 , Julio César Alvarez-Gamero 2 4 , José Somocurcio-Peralta 1 5 , Juan Eduardo Quiroz-Aldave 6
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1 Department of Medicine, School of Medicine, Universidad Nacional Mayor de San Marcos, Lima, PERU2 Division of Endocrinology, Hospital Nacional Edgardo Rebagliati Martins, Lima, PERU3 Universidad Científica del Sur, Lima, PERU4 Universidad Peruana Cayetano Heredia, Lima, PERU5 Department of Anatomic Pathology, Hospital Nacional Edgardo Rebagliati Martins, Lima, PERU6 Division of Non-Communicable Diseases, Endocrinology Research Line, Hospital de Apoyo Chepén, Chepén, PERU* Corresponding Author

Abstract

Introduction: Primary hyperparathyroidism (PHPT) results from an excess secretion of parathyroid hormone (PTH), primarily due to parathyroid adenomas. These adenomas are more prevalent in women and, although rare, can develop into giant adenomas. One infrequent but notable complication of giant adenomas is parathyroid apoplexy. The aim of this manuscript is to describe the case of a Peruvian female patient diagnosed with PHPT secondary to a giant parathyroid adenoma, whose surgical treatment confirmed its apoplexy.
Case report: A 42-year-old Peruvian woman with hypertension and stage IV chronic kidney disease presented with a non-productive cough, dysphonia, and acute chest pain, revealing a mediastinal tumor on imaging. Physical examination showed no cervical tumors, and biochemical tests revealed elevated levels of total calcium and intact PTH, while serum phosphorus and calcitonin levels were normal. Imaging elucidated a parathyroid adenoma with mediastinal extension. Surgical intervention involved right parathyroidectomy, unveiling a 6 × 6 cm tumor with cystic and hemorrhagic degeneration, confirming the diagnosis of parathyroid apoplexy from a giant adenoma.
Conclusions: Giant parathyroid adenoma should be considered in patients presenting with a mediastinal mass and hypercalcemia. This condition can be complicated by parathyroid apoplexy in the context of PHPT. Timely imaging and surgical intervention are crucial for achieving optimal outcomes, with diagnosis confirmed through histopathology.

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Article Type: Case Report

ELECTRON J GEN MED, Volume 21, Issue 6, December 2024, Article No: em611

https://doi.org/10.29333/ejgm/15582

Publication date: 06 Nov 2024

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