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Difference between revisions of "Thyroid gland"
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→Thyroid gland nodular hyperplasia: expand
(→Thyroid gland nodular hyperplasia: expand) |
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Notes: | Notes: | ||
*Large lesions may be clonal; however, this is clinically irrelevant. | *Large lesions may be clonal; however, this is clinically irrelevant. | ||
===Gross=== | |||
Features: | |||
*Enlarge thyroid gland. | |||
*+/-Distinct (well-circumscribed) nodules. | |||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Follicles of variable size - '''key feature'''. | *Follicles of variable size - '''key feature'''. | ||
**Should be obvious at low power, i.e. | **Should be obvious at low power, i.e. with the 2.5x objective. | ||
*Nodules | *+/-Nodules. | ||
**Do not have a thick fibrous capsule. | |||
**May have a high cellularity. | |||
**Architecture: solid or microfollicular.<ref name=Ref_EP36>{{Ref EP|36}}</ref> | |||
Negatives: | Negatives: | ||
| Line 164: | Line 172: | ||
HEMITHYROID, RIGHT, HEMITHYROIDECTOMY: | HEMITHYROID, RIGHT, HEMITHYROIDECTOMY: | ||
- NODULAR HYPERPLASIA. | - NODULAR HYPERPLASIA. | ||
- NEGATIVE FOR MALIGNANCY. | |||
</pre> | |||
<pre> | |||
HEMITHYROID, RIGHT, HEMITHYROIDECTOMY: | |||
- CELLULAR ADENOMATOID NODULE ON A BACKGROUND OF NODULAR HYPERPLASIA. | |||
- NEGATIVE FOR MALIGNANCY. | - NEGATIVE FOR MALIGNANCY. | ||
</pre> | </pre> | ||