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Thyroid follicular cells form a simple cuboidal epithelium and are arranged in spherical thyroid follicles surrounding a fluid filled space known as the colloid. The interior space formed by the follicular cells is known as the follicular lumen.
The latter is a relatively rare form of differentiated thyroid cancer, accounting for only 3-10% of all differentiated thyroid cancers, [7] and was formerly considered a subtype of follicular thyroid cancer. The mitochondrial DNA of Hürthle cell carcinoma contain somatic mutations. [6] Hürthle cell carcinomas consists of at least 75% Hürthle ...
Follicular thyroid cancer accounts for 15% of thyroid cancer and occurs more commonly in women over 50 years of age. Thyroglobulin (Tg) can be used as a tumor marker for well-differentiated follicular thyroid cancer. Thyroid follicular cells are the thyroid cells responsible for the production and secretion of thyroid hormones.
Follicular dendritic cell sarcoma (FDCS) is an extremely rare neoplasm.While the existence of FDC tumors was predicted by Lennert in 1978, the tumor wasn't fully recognized as its own cancer until 1986 after characterization by Monda et al. [1] [2] It accounts for only 0.4% of soft tissue sarcomas, but has significant recurrent and metastatic potential and is considered an intermediate grade ...
T follicular helper cells mediate the germinal center reaction in two key ways. First, T follicular helper cells express CD40L, which is a tumor necrosis factor (TNF) cytokine that binds the CD40 molecule expressed on GC B cells. This interaction upregulates the NF-kB signaling pathway, which stimulates the division of GC B cells. Second, T ...
Follicular cell may refer to: Thyroid follicular cell, found in the thyroid gland; Granulosa cell, found in the follicles around oocytes; Follicular dendritic cell ...
3) Predominantly follicular pattern of growth. Papillary structures should not be present. Further, solid, insular, or trabecular architecture must be <30% of the overall tumor for this category to still apply. Colloid (the material that thyroid follicular cells create) is easily identified throughout.
Hürthle cell neoplasm is a rare tumor of the thyroid, typically seen in women between the ages of 70 and 80 years old. When benign, it is called a Hürthle cell adenoma, and when malignant it is called a Hürthle cell carcinoma. Hürthle cell adenoma is characterized by a mass of benign Hürthle cells (Askanazy cells). [1]