2025 American Thyroid Association (ATA) Management Guidelines for Adults with Differentiated Thyroid Cancer
The 2025 ATA thyroid cancer guidelines for the management of thyroid nodules and differentiated thyroid cancer treatment were first published in 1996 and then updated in 2006, 2009 and 2015. In the latest 2025 update thyroid nodules are separated out and the manuscript focuses on differentiated thyroid cancer. There are significant changes in recommendations that have been developed from evidence gathered in the past 10+ years and I have provided a summary of the major diff

John Chaplin
Oct 13, 20253 min read


Parathyroidectomy for primary hyperparathyroidism- a guide for patients.
Single parathyroid adenoma in a patient with primary hyperparathyroidism Primary Hyperparathyroidism Surgery (PHPT) is a common endocrine disorder characterized by excessive secretion of parathyroid hormone (PTH), leading to elevated calcium levels in the blood. The mainstay of treatment for symptomatic or significant cases is surgical removal of the overactive parathyroid gland(s), a procedure known as parathyroidectomy. In this article, we explore the presentation, underlyi

John Chaplin
Sep 22, 20254 min read
Dr John Chaplin has performed over 3000 thyroidectomy cases in his career and he continues to perform around 130-150 thyroid operations per year
The Importance of High Volume Surgical Experience in Thyroidectomy Outcomes When referring patients for thyroid surgery, the experience of the surgeon plays a crucial role in determining outcomes and minimizing complications. Evidence consistently demonstrates that higher surgical volume correlates with improved patient results, including lower rates of nerve injury, hypoparathyroidism, and other postoperative complications. Research by Hauge et al. (2017) indicates that surg

John Chaplin
Aug 31, 20252 min read


Salivary Gland Tumours
Parotid bed with main trunk and upper and lower divisions of facial nerve exposed following tumour resection. Salivary Gland Tumours in New Zealand: An Overview with a Focus on Surgical Management and Metastatic Cutaneous Malignancies Salivary gland tumours are a heterogeneous group of neoplasms that predominantly affect the major salivary glands, especially the parotid, submandibular, and sublingual glands, as well as minor salivary glands in the oral cavity. In New Zealand,

John Chaplin
Aug 17, 20253 min read






