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Line 114: |
Line 114: |
| ====Head and neck==== | | ====Head and neck==== |
| *Squamous cell carcinoma - margins. | | *Squamous cell carcinoma - margins. |
| | *Thyroid nodule - diagnosis. |
| | *Parathyroid - confirm it is parathyroid. |
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| ====Gastrointestinal tract==== | | ====Gastrointestinal tract==== |
Line 131: |
Line 133: |
| *[[Brain tumour]] - diagnosis. | | *[[Brain tumour]] - diagnosis. |
| *Spinal tumour - diagnosis. | | *Spinal tumour - diagnosis. |
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| ====Thyroid gland and parathyroid gland====
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| *Thyroid nodule - diagnosis.
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| *Parathyroid - confirm tissue type.
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| Notes:
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| *Thyroid often has birefringent (calcium oxalate) crystals (60 of 80 cases) whereas parathyroid less often does (2 or 20 cases).<ref name=pmid24618617>{{cite journal |authors=Wong KS, Lewis JS, Gottipati S, Chernock RD |title=Utility of birefringent crystal identification by polarized light microscopy in distinguishing thyroid from parathyroid tissue on intraoperative frozen sections |journal=Am J Surg Pathol |volume=38 |issue=9 |pages=1212–9 |date=September 2014 |pmid=24618617 |doi=10.1097/PAS.0000000000000204 |url=}}</ref>
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| *Thyroid usually follicular - though parathyroid occasionally is pseudofollicular.
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| ====Prosthetic joint==== | | ====Prosthetic joint==== |