Nomogram Calculator


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.
  / /
  Sex   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.