FNAC was essential to management in this series of patients. 'Malignant' or 'suspicious for malignancy' cytology are absolute indicators for thyroidectomy. FNAC should be undertaken with ultrasound guidance and if possible with a pathologist in attendance to assess sample adequacy. We recommend a high index of suspicion of thyroid cancer in the male patient who presents with a solitary nodule. If solitary nodules are to be observed, repeat FNAC should be undertaken because of the high false negative rate.
Parathyroid and thyroid disease often occur simultaneously. Concomitant parathyroid pathology should be considered, even in the absence of biochemical and radiological evidence, at neck exploration for thyroid disease. Macroscopic identification of parathyroid disease at neck exploration can be difficult when within the thyroid gland capsule. Cytology and imaging of parathyroid adenomas may, on occasion, mimic follicular thyroid neoplasms.
The results suggest that it is not possible to predict which patients will have tumour in the re-excision specimen. However, approximately 50% of re-excision specimens showed residual cancer. Therefore it is recommended that all excisions with positive margins need further surgery.
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