Recurrent Sporadic Parathyroid Carcinoma in a 29-Year-Old Filipino Female Presenting with Primary Hyperparathyroidism

A Case Report and Literature Review

Authors

  • Eldimson Bermudo Zamboanga City Medical Center, Philippines https://orcid.org/0009-0000-5622-110X
  • Jose Vicente Borja Zamboanga City Medical Center, Philippines
  • Al-Zamzam Abubakar Zamboanga City Medical Center, Philippines

DOI:

https://doi.org/10.21141/PJP.2026.583

Keywords:

parathyroid carcinoma, tumor recurrence, hyperparathyroidism, bone pains, pathologic fractures, case report, Philippines

Abstract

Parathyroid carcinoma is a rare endocrine malignancy with an indolent course but a high risk of recurrence. Diagnosis remains challenging, requiring integration of clinical, biochemical, radiologic, and histopathologic findings. We report a young patient presenting with primary hyperparathyroidism complicated by multiple pathologic fractures and chronic renal failure. Despite initial surgical and medical management, late aggressive recurrence occurred, resulting in significant systemic complications. This case highlights the need for vigilant long-term surveillance and improved diagnostic and therapeutic strategies.

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Author Biographies

Eldimson Bermudo, Zamboanga City Medical Center, Philippines

Department of Pathology and Laboratory Medicine, Zamboanga City Medical Center, Philippines

Jose Vicente Borja, Zamboanga City Medical Center, Philippines

Department of Pathology and Laboratory Medicine, Zamboanga City Medical Center, Philippines

Al-Zamzam Abubakar, Zamboanga City Medical Center, Philippines

Department of Pathology and Laboratory Medicine, Zamboanga City Medical Center, Philippines

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Published

06/25/2026

How to Cite

Bermudo, E., Borja, J. V., & Abubakar, A.-Z. (2026). Recurrent Sporadic Parathyroid Carcinoma in a 29-Year-Old Filipino Female Presenting with Primary Hyperparathyroidism: A Case Report and Literature Review. The Philippine Journal of Pathology, 11(1). https://doi.org/10.21141/PJP.2026.583