Diagn Cytopathol 1991;7:273-276.Orlando CA, Salman K, Miller JL, et al. Clear-cell change in follic- ular adenoma mimicking Hurthle-cell tumor on thyroid aspiration biopsy cytology. Diagn Cytopathol 1991;7:273-276.
Related to follicular adenoma:follicular carcinoma ad·e·no·ma (ăd′n-ō′mə) n.pl.ad·e·no·masorad·e·no·ma·ta(-mə-tə) A benign epithelial tumor having a glandular origin and structure. ad′e·nom′a·toid′(ăd′n-ŏm′ə-toid′)adj. ...
Moreover, the presence of the aneusomy in HCA and FTC indicates that there could be a biological continuum between Hurthle cell and follicular neoplasms, and chromosomal gains might play an important role in the pathogenesis of these two types of neoplasms. Despite sharing some histologic features...
carcinoma 15 3.1% Lymphoma 6 1.3% Metastatic carcinoma 8 1.7% unspecified carcinoma 3 0.6% Malignant teratoma of thyroid 1 0.2% Malignant solitary fibrous tumour 1 0.2% Table 2: Characteristics of patients who had HCNs (n = 107) Parameter Hurthle cell Hurthle cell p-value carcinoma adenoma ...
In contrast, most follicular adenomas arehypofunctioning on thyroid scintigraphy. Follicular carcinoma has microscopic features that are similar to a follicular adenoma. However, a follicular carcinoma tends to be more cellular with a thick irregular capsule, and often with areas of necrosis and more...
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FTC is characterized by evidence of follicular cell differentiation but lacking the diagnostic nuclear features of PTC[4]. It is usually encapsulated and solitary and it may develop from follicular adenoma. FTC is more common in geographic regions of iodine insufficiency and metastasizes alm...
The usual coexistence of NSFNMTC with follicular nodular disease (including follicular epithelial cell hyperplasia to follicular adenoma progression sequence) suggests a multi-step process of tumor progression [23,36], which together with its frequent multifocality justifies total thyroidectomy as the trea...
Two of them had only a single focus of capsular invasion by the conventional transverse method, and they might have been under-diagnosed as having follicular adenoma with the conventional transverse method if the tumor capsule had been submitted incompletely. There are some limitations in the ...
psammoma,sand tumor- a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles teratoma- a tumor consisting of a mixture of tissues not normally found at that site ...