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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
Published on: August 17, 2022
Non-functioning parathyroid gland carcinoma: case report
Ana Krvavica1, Marijan Kovacić, Ivan Baraka
1Department of Pathology and Forensic Medicine, Zadar General Hospital, Zadar, Croatia. krvavicaana@yahoo.com
Acta Clinica Croatica
|January 24, 2012
Summary
Non-functioning parathyroid carcinoma is an extremely rare cancer. This case report highlights the diagnostic challenges and emphasizes immunohistochemistry for accurate diagnosis and surgical treatment.
Area of Science:
- Endocrinology
- Oncology
- Pathology
Background:
- Parathyroid gland carcinoma is a rare endocrine malignancy, typically functioning and causing severe hyperparathyroidism.
- Non-functioning variants are exceptionally rare, posing diagnostic challenges.
- This report details a case of a non-functioning parathyroid carcinoma presenting as a neck mass.
Observation:
- A 60-year-old male presented with a large neck tumor compressing the thyroid and trachea.
- Preoperative labs, including thyroid hormone, parathyroid hormone (PTH), and calcium levels, were normal.
- Immunohistochemical analysis was crucial for diagnosis.
Findings:
- The tumor was diagnosed as primary parathyroid gland carcinoma based on immunohistochemical markers.
- Positive staining for chromogranin-A, PGP-9.5, synaptophysin, EMA, bcl-2, p-53, and TTF-1 was observed.
- Negative markers included CD-10, cyclin-D1, Ki-67, Mdm-2, RCC, and thyroglobulin.
Implications:
- Non-functioning parathyroid carcinoma is a rare entity requiring detailed immunohistochemical analysis for differentiation from other neoplasms.
- Accurate diagnosis is essential for appropriate management.
- Surgical treatment remains the primary therapeutic approach for this rare malignancy.
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