Pentraxin-3 as a Systemic Indicator of Pathology and a Local Inflammatory Mediator in Thyroid Nodules
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By
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Miriam Cieri
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Fabio Grizzi
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Barbara Bottazzi
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Giorgia Amy Rodda
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Paola Petrillo
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Roberto Leone
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Fabio Pasqualini
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Emanuela Morenghi
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Walter Zuliani
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Silvia Uccella
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Damiano Chiari
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July 17, 2026
Clinical Scorecard: Pentraxin-3 as a Systemic Indicator of Pathology and a Local Inflammatory Mediator in Thyroid Nodules
At a Glance
| Category | Detail |
| Condition | Thyroid Nodules |
| Key Mechanisms | Pentraxin-3 (PTX3) is involved in inflammation, tissue remodeling, and oncogenesis. |
| Target Population | Patients undergoing thyroidectomy for benign or malignant nodules. |
| Care Setting | Clinical Institute for Thyroid Surgery |
Key Highlights
- Preoperative plasma PTX3 levels were significantly elevated compared to normal reference range.
- PTX3 expression was significantly elevated in malignant tissues relative to healthy thyroid tissues.
- No significant differences in plasma PTX3 levels were observed between benign and malignant conditions.
- Increased PTX3 levels may indicate an active inflammatory response linked to thyroid nodular disease.
- Further studies are needed to define the prognostic value of PTX3 in thyroid carcinoma.
Guideline-Based Recommendations
Diagnosis
- Surgical indications for thyroid nodules include suspicious or malignant cytology on fine-needle aspiration.
Management
- Thyroidectomy is indicated for nodular thyroid disease requiring surgical intervention.
Monitoring & Follow-up
- Plasma PTX3 levels should be assessed preoperatively and postoperatively.
Risks
- Potential for misclassification of benign vs malignant nodules based on PTX3 levels.
Patient & Prescribing Data
Patients with nodular thyroid disease requiring surgical intervention.
PTX3 levels may serve as a marker for inflammation but lack specificity for malignancy.
Clinical Best Practices
- Evaluate PTX3 levels in patients undergoing thyroid surgery.
- Consider the role of PTX3 in the inflammatory response associated with thyroid nodules.
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