Difference between revisions of "Thyroid gland nodular hyperplasia"

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'''Thyroid gland nodular hyperplasia''' is a common [[thyroid gland]] pathology and may be an indication for [[thyroidectomy]].
{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      = Thyroid FNA, Benign, Consistent with Adenomatoid Nodule (8116075837).jpg
| Width      =
| Caption    = Thyroid FNA compatible with adenomatoid nodule.
| Synonyms  = nodular hyperplasia, adenomatoid nodule
| Micro      = typically follicles of variable size - may be microfollicular or solid; no nuclear changes of [[papillary thyroid carcinoma|PTC]]; no fibrous capsule
| Subtypes  =
| LMDDx      = [[papillary thyroid carcinoma]], [[follicular thyroid adenoma]], [[follicular thyroid carcinoma]]
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      = enlarged thyroid gland +/- distinct nodules
| Grossing  =
| Site      = [[thyroid gland]]
| Assdx      =
| Syndromes  =
| Clinicalhx =
| Signs      = thyroid gland enlargement
| Symptoms  =
| Prevalence = common
| Bloodwork  =
| Rads      =
| Endoscopy  =
| Prognosis  = benign
| Other      =
| ClinDDx    = malignancy of thyroid gland
| Tx        = surgical resection
}}
'''Thyroid gland nodular hyperplasia''' is a common [[thyroid gland]] pathology and may be an indication for thyroidectomy.


==General==
==General==
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*Most common diagnosis in the thyroid.
*Most common diagnosis in the thyroid.
**If you've seen a handful of thyroids you've seen this.
**If you've seen a handful of thyroids you've seen this.
 
*Considered to be a combination of environmental factors (e.g. lack of iodine in the diet) and genetic factors (often with autosomal dominant inheritance).<ref name=pmid21487943>{{Cite journal  | last1 = Paschke | first1 = R. | title = Molecular pathogenesis of nodular goiter. | journal = Langenbecks Arch Surg | volume = 396 | issue = 8 | pages = 1127-36 | month = Dec | year = 2011 | doi = 10.1007/s00423-011-0788-5 | PMID = 21487943 }}</ref>
Notes:
*Large lesions may be clonal; however, this is clinically irrelevant.  


==Gross==
==Gross==
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*[[Follicular thyroid adenoma]] - contained in a fibrous capsule.
*[[Follicular thyroid adenoma]] - contained in a fibrous capsule.
*[[Follicular thyroid carcinoma]] - has fibrous capsule and invasion through it.
*[[Follicular thyroid carcinoma]] - has fibrous capsule and invasion through it.
===Images===
<gallery>
Image: Thyroid Benign Adenomatoid Nodule, FNA (5690954863).jpg | FNA c/w with AN. (WC/Euthman)
Image: Thyroid FNA, Benign, Consistent with Adenomatoid Nodule (8116075837).jpg | FNA c/w AN. (WC/Euthman)
</gallery>
==Molecular==
*Nodular hyperplasias may be clonal;<ref name=pmid1973172>{{Cite journal  | last1 = Namba | first1 = H. | last2 = Matsuo | first2 = K. | last3 = Fagin | first3 = JA. | title = Clonal composition of benign and malignant human thyroid tumors. | journal = J Clin Invest | volume = 86 | issue = 1 | pages = 120-5 | month = Jul | year = 1990 | doi = 10.1172/JCI114673 | PMID = 1973172 }}</ref> however, this is not used for diagnosis and considered clinically irrelevant.


==Sign out==
==Sign out==
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==See also==
==See also==
*[[Thyroid gland]].
*[[Thyroid gland]].
*[[Thyroid cytopathology]].


==References==
==References==
49,277

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