Crystalloids of reinke

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August undefined, 2024

WebReinke crystalloid (CR)s are rod or corn shaped structures present in the interstitial cells (Leydig cell) of human testis. Due to existing controversies and because of their importance in histological studies, we decided to reevaluate their staining behavior with various dyes. WebMay 18, 2009 · Crystalloids of Reinke were seen in plenty, thus establishing the tumor to be of Leydig cell subtype (Figure 4) [4, 5]. The tumor capsule was intact and there was no evidence of vascular invasion. Peritoneal fluid cytology did not reveal any malignant cells. Intra-operatively, no significant lymph nodes were noted.

Ovarian Leydig cells (OLC): A histomorphological and ... - PubMed

WebJun 1, 2006 · To the Editor.—We read with interest the recent report by Hribar and colleagues1 of intraoperative cytology in the diagnosis of testicular Leydig cell tumor and … WebReinke crystals appear to be hallmarks of normally differentiated, adult, Leydig or Leydig-like cells in humans, while some abnormal and nonhuman Leydig cells contain Reinke … how fast is a kx250f

Testosterone-Secreting Adrenal Adenoma That Contained Crystalloids …

WebApr 7, 2024 · slide 5 of 104. This touch prep was prepared from the freshly cut tumor surface (same case as previous image). The smear was alcohol-fixed and stained with H&E. Several intact and fragmented Reinke's … WebThe latter are known as crystalloids of Reinke, and their presence is diagnostic of a Leydig cell tumor. Most Leydig cell tumors develop in the hilum of the ovary and are sometimes … WebJun 4, 2024 · Reinke crystals are structures pathognomonic for Leydig cells, which have the important function of testosterone production and are vital for male … high end gaming furniture

Cytologic Identification of Reinke Crystalloids in Ovarian Leydig …

Reinke crystals - Wikiwand

WebIn normal Leydig cells, nestin was distributed in the perinuclear cytoplasm and accumulated in the crystalloids of Reinke with ageing. In non-tumour pathologies (cryptorchidism, impaired spermatogenesis), the seminiferous tubules were immunonegative, whereas hyperplastic Leydig cells showed cytoplasmic immunolabelling. high end gaming keyboardWebJul 4, 2024 · The cytoplasm also shows rod-shaped crystals referred to as "crystalloids of Reinke," which appear in 35% of tumors, and lipofuscin pigment in a smaller percent (10% to 15%). History and Physical. Like other tumors of the testicle, painless swelling of a testicle is the single most common presentation of Leydig cell tumors. high end gaming graphics cards newegg

"WebFeb 12, 2012 · Cytoplasmic rod-like crystalloids called Reinke crystals are characteristic of the Leydig cell tumor, but they are not positive in 60% of patients with LCT . In addition, Inhibin A could be a sensitive and a specific immunohistochemical marker for LCTs . In our patient, unilaterality, the lack of response to glucocorticoid therapy and ... " - Crystalloids of reinke

Crystalloids of reinke

Reinke crystalloids definition of Reinke crystalloids by …

WebDec 1, 1982 · The ultrastructural features of a large-cell calcifying Sertoli cell tumor, including the formation of pseudolumens lined by basal lamina and the absence of crystalloids of Reinke, support its origin from Sertoli rather than Leydig cells. WebThe morphological (including crystalloids of Reinke) and immunohistochemical (positivity for calretinin and alpha-inhibin) findings were similar to those described for testicular LC. Therefore, OHC can be considered ovarian Leydig cells (OLC).

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WebTraductions en contexte de "interstitielles de" en français-anglais avec Reverso Context : Mots clés : pacemakers, neuromodulation, cellules interstitielles de Cajal. WebReinke crystals appear to be hallmarks of normally differentiated, adult, Leydig or Leydig-like cells in humans, while some abnormal and nonhuman Leydig cells contain Reinke-like paracrystalline inclusions or crystalloids.

WebLeydig cell tumours belong to the small group of ovarian steroid tumors, which are hormone producing and derived from specific stromal cells. Morphologically, their endocrine-like structure is characteristic, formed of large, polyhedral cells WebFeb 1, 2011 · Within the human testis, Reinke’s crystals are found in Leydig cells but their nature and function are poorly understood. The aim of our study was to investigate the properties of Reinke’s crystals in man with the normal morphology of the testis (control group) and infertile patients diagnosed with cryptorchidism. 20 biopsies from infertile …

WebThe histological features showed Leydig cell tumor without Reinke crystalloids. AB - A 53-year-old male presen ted with a right inguinal mass of one-year duration. The fine needle aspiration of the inguinal mass showed a highly cellular tumor composed of sheets and isolated, large round to polygonal cells with moderate pleomorphism. Many bare ... WebHowever, conventional frozen section rarely reveals their presence. A method of rapid identification of crystalloids of Reinke could improve the intraoperative diagnosis. We …

WebReinke crystals appear to be hallmarks of normally differentiated, adult, Leydig or Leydig-like cells in humans, while some abnormal and nonhuman Leydig cells contain Reinke …

WebApr 1, 1995 · Although crystalloids of Reinke have been identified in only three cases, their absence does not exclude a Leydig cell character in the rest of the reported cases. Our case provides additional support for the hypothesis that Leydig cells are present in the adrenal gland and may have an active role in the pathogenesis of testosterone-secreting ... high end gaming headset 2018WebReinke CRs are crystalline structures and are found in the cyto- plasm of human testicular interstitial cells (Leydig cells) which produce testosterone18). The functional signi・…ance of these structures is also not clear19). Their stainability with fuchsin, iodine, safranin, and Heidenhain hematoxylin was reported by Reinke1). high end gaming computer setupWebSee R. crystalloids, under crystalloid … Medical dictionary Cristalloïde de Reinke — Les cristalloïdes de Reinke sont des inclusions éosinophiles (c est à dire qui sont facilement … how fast is a knot vs mphWebMorphologically, their endocrine-like structure is characteristic, formed of large, polyhedral cells resembling luteal, adrenocortical and Leydig cells. They contain crystalloids of Reinke in their cytoplasm which have diagnostic significance. Patients with these tumours present with androgenic manifestations. how fast is a ktm 50WebAlthough testosterone-secreting adrenal adenomas are unusual, those that contain crystalloids of Reinke are extremely rare. Our case is the fourth reported case of virilizing adrenal adenomas with similar biochemical profiles that demonstrated these inclusions characteristic of Leydig cells. how fast is a ktm 200 dukeWebThe latter are known as crystalloids of Reinke, and their presence is diagnostic of a Leydig cell tumor. Most Leydig cell tumors develop in the hilum of the ovary and are sometimes … high end gaming laptop 2016WebApr 1, 2004 · After careful search no crystalloids of Reinke were found. The neoplastic cells displayed no nuclear pleomorphism, and mitoses were not present. Calcification, interstitial lymphocyte infiltration ... high end gaming headset for pc