Prediction Tools for Surgeons


Papillary Thyroid Carcinoma Nomogram: Probability of Central (Level VI) Lymph Node Metastases


This nomogram calculator can be used to estimate the likelihood of central compartment lymph node metastases in patients with papillary thyroid carcinoma.

Biopsy Proven Papillary Thyroid Carcinoma
Yes No
Has Thyroidectomy been performed?
Yes No
Date of Birth
Must be between 6 and 89 years.
/ /
Male Female
Tumour Size*
Greatest diameter of the largest primary tumour (as determined by either imaging or pathological examination) in millimetres. Tumours greater than 70mm (maximum diameter) will be considered as equal to 70mm in this model.
Tumour Site
Select the site of the primary tumour within the thyroid gland. If not specified or in another location then select “Other".
Tumour Focality**
Multifocal tumours have cancer cells separate to the main tumour mass. Select the number of tumour foci as determined on imaging or histopathology.
Australian & New Zealand Endocrine Surgeons

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