J Clin Pathol 57:225-232 doi:10.1136/jcp.2003.008474
  • Review

My approach to oncocytic tumours of the thyroid

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  Figure 16
Figure 16

An oncocytic medullary carcinoma is characterised by polygonal discohesive cells with poorly defined cell borders and relatively bland nuclei, which are round to oval with salt and pepper chromatin. Immunohistochemistry confirms positivity for chromogranin, calcitonin, and carcinoembryonic antigen.

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