adenoma

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Related to follicular adenoma: follicular carcinoma

adenoma:

see neoplasmneoplasm
or tumor,
tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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.

adenoma

[‚ad·ən′ō·mə]
(medicine)
A benign tumor of glandular origin and structure.
References in periodicals archive ?
Noninvasive follicular thyroid neoplasm with papillary-like nuclear features has a high prevalence of RAS mutations that are typically associated with follicular-patterned lesions of the thyroid, including follicular adenoma, follicular thyroid carcinoma, and encapsulated FVPTC.
Amongst these, the most frequent one was papillary carcinoma and it was followed by follicular adenoma.
Amongst the benign lesions, it includes hyperplastic nodules, adenomatoid nodules and follicular adenoma.
While accuracy for diagnosis of follicular carcinoma was 75% with 2 out of 8 cases were misdiagnosed as follicular adenoma.
Follicular adenoma is the common benign tumor of thyroid where is papillary carcinoma is the most common thyroid cancer followed by follicular, medullary, anaplastic carcinoma and lymphoma.
Extracranial Meningiomas as well as dual tumours have been discussed in the literature,5 however only one case of Meningioma-like variant of follicular adenoma has been described.
Among the thyroid masses, colloid goitre, thyroiditis and follicular adenoma were more common in females and young adults whereas thyroid carcinoma was more common in males.
6%) cases], follicular adenoma [3 (5%) cases], thyroglossal cyst [2 (3.
While cytology is performed preoperatively in nearly all thyroid gland nodules, making a definitive distinction between follicular adenoma and carcinoma cannot be reliably or predictably achieved by fine-needle aspiration analysis, even with adjunct molecular evaluation.
Diagnostic dilemma may arise when an encapsulated nodule with follicular pattern exhibits clear nuclei with grooves or darkly staining colloid, and distinguishing follicular adenoma from follicular variant of papillary carcinoma becomes difficult.
Rare cases of follicular adenoma carrying PPARG rearrangements have been reported.
Ten cases reported as follicular neoplasm on cytology were available for histopathology diagnosis: 6 cases diagnosed as follicular adenoma and 4 cases diagnosed as follicular carcinoma.

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