Endocrine oncology

Parathyroid Carcinoma Revisited: Clinical and Pathological Insights From Two Decades of Experience

Clin Endocrinol (Oxf)Published Retrospective cohort study

Authors' conclusion

Parathyroid carcinoma exhibits more severe clinical and biochemical features and greater gland weight than benign lesions.

Study context

Population
Patients with histopathologically confirmed parathyroid carcinoma, primary parathyroid adenoma or atypical parathyroid tumour
Participants
16 / 378 / 11
Exposure
Parathyroid carcinoma vs parathyroid adenoma vs atypical parathyroid tumour
  • Parathyroid carcinoman = 16
  • Parathyroid adenoman = 378reference
  • Atypical parathyroid tumorn = 11
Outcome
Clinical features associated with parathyroid carcinoma vs benign lesions
Methodological detailsretrospective analysis
  • Retrospective analysis

Main finding

As reported in the abstract

  • No significant differences in age or gender across groups
  • Significant perioperative predictors of carcinoma (ridge-penalized logistic regression): hoarseness, palpable neck mass, involved gland weight ≥ 3 g; adenoma diameter, serum calcium and intact parathyroid hormone (iPTH) not significant
  • Parathyroid carcinoma vs Parathyroid adenoma: P < 0.001
  • Parathyroid carcinoma vs Parathyroid adenoma: P < 0.05

Observational data: associations, not effects.

Further findings

Perioperative predictors of parathyroid carcinoma (ridge-penalized logistic regression)

Hoarseness, palpable neck mass and involved parathyroid gland weight ≥ 3 g were significant perioperative predictors
Adenoma diameter, serum calcium and iPTH were not statistically significant

Diagnostic accuracy (ROC analysis)

Parathyroid adenoma weight ≥ 7.5 g had the highest diagnostic accuracy: sensitivity
75%
Parathyroid adenoma weight ≥ 7.5 g: specificity
86%
Serum calcium and iPTH showed only moderate diagnostic performance

Recurrence

Recurrence observed
31% of cases

Original publication

Parathyroid Carcinoma Revisited: Clinical and Pathological Insights From Two Decades of Experience. Clin Endocrinol (Oxf). Published 4 August 2026. doi:10.1111/cen.70194

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