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Stromal cells, or mesenchymal stromal cells, are differentiating cells found in abundance within bone marrow but can also be seen all around the body. Stromal cells can become connective tissue cells of any organ , for example in the uterine mucosa ( endometrium ), prostate , bone marrow , lymph node and the ovary .
The corresponding specific proteins are expressed in the glandular and stromal cells of the endometrial mucosa. The expression of many of these proteins vary depending on the menstrual cycle, for example the progesterone receptor and thyrotropin-releasing hormone both expressed in the proliferative phase, and PAEP expressed in the secretory phase.
Stromal tissue falls into the "functional" class that contributes to the body's support and movement. The cells which make up stroma tissues serve as a matrix in which the other cells are embedded. [2] Stroma is made of various types of stromal cells. Examples of stroma include: stroma of iris; stroma of cornea; stroma of ovary; stroma of ...
An endometrial stromal nodule is a noninfiltrative, circumscribed proliferation of endometrial stromal cells and is a benign subtype of endometrial stromal tumor. The appearance of the cells is identical to normal endometrial stromal cells. This can only be differentiated from low-grade endometrial stromal sarcoma by confirming lack of ...
Sex cord–gonadal stromal tumour is a group of tumours derived from the stromal component of the ovary and testis, which comprises the granulosa, thecal cells and fibrocytes. [1] In contrast, the epithelial cells originate from the outer epithelial lining surrounding the gonad while the germ cell tumors arise from the precursor cells of the ...
Adenoma – (plural adenomas or adenomata) is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adrenal gland – The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.
The tumor-induced stromal change hypothesis claims that tumor cells can dedifferentiate into fibroblasts and, themselves, secrete more collagen. [3] This was observed in desmoplastic melanoma, in which the tumor cells are phenotypically fibroblastic and positively express genes associated with ECM production. [ 13 ]
Endometrial stromal sarcoma, high grade; M8931/3 Endometrial stromal sarcoma, low grade Endolymphatic stromal myosis; Endometrial stromatosis; Stromal endometriosis; Stromal myosis, NOS; M8932/0 Adenomyoma Atypical polypoid adenomyoma; M8933/3 Adenosarcoma M8934/3 Carcinofibroma M8935/0 Stromal tumor, benign M9835/1 Stromal tumor, NOS M8935/3 ...