Crystalloids of reinke

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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 … Webtein cells is the presence of crystalloids of Reinke in some of the Leydig cells. Since many Leydig cells (as in the normal testis) contain no crystalloids, they may be difficult or impossible to distinguish from lutein cells in some neoplasms. Nevertheless, the distinc- tion between these cells in neoplasms is worth

Traduction de "interstitielles de" en anglais - Reverso Context

WebApr 11, 2024 · Reinke's crystalloids are seen in about 30-40% of cases and appear as dense needle-like or rhomboid structures in the cytoplasm. They are difficult to visualize in histologic sections but are … 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 ... office of the chief coroner regina

Virilizing ovarian Leydig cell tumour - Rama Ba - Academia.edu

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 … WebMay 4, 2004 · Similarly, the crystalloids of Reinke could be sticky sites that attract antibodies indiscriminately and, therefore, the possibility of false-positive nestin staining … WebTraductions en contexte de "interstitielles de" en français-anglais avec Reverso Context : Mots clés : pacemakers, neuromodulation, cellules interstitielles de Cajal. office of the chief army reserve

Extratesticular Leydig Cell Tumor of the Spermatic Cord

OVARIAN STROMAL TUMORS CONTAINING LEYDIG CELLS

WebDec 1, 1985 · An adrenal cortical adenoma containing neoplastic cells indistinguishable from Leydig cells, including the demonstration of characteristic crystalloids of Reinke, was shown to be the source of the elevated testosterone level. 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 would like to describe our similar experience with an ovarian Leydig cell tumor.A 39-year-old woman presented with androgenic symptoms and was found to have a markedly … my curly hair is frizzy on topWebAlthough 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. office of the chief allied health officer

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Crystalloids of reinke

Testosterone-secreting adrenal adenoma containing crystalloids ...

WebMay 4, 2004 · In 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. 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.

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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 ... WebReinke 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).

Webcrystalloids of Reinke, more closely resemble those of a theca-lutein cell than a granulose-lutein or hilus cell and support a stromal origin. However, this tumor illustrates the striking overlap in mor- phologic features and function among granulosa, theca, hilus, and Leydig cells. Cancer 51: 1858- 1865, 1983. G WebSee R. crystalloids, under crystalloid … Medical dictionary Cristalloïde de Reinke — Les cristalloïdes de Reinke sont des inclusions éosinophiles (c est à dire qui sont facilement …

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 … Websional crystalloids of Reinke were identified within the hilus cells. Microscopic sections of the left ovary showed a fibroma with extensive hyalinization. A leiomyoma was present in the myometrium. The endometrium showed cystic atrophy. The fallopian tubes were unremarka- ble. Case 2. Clinical findings: A 47-year-old Cau-

WebReinke crystalloids: ( rīn'kĕ ), rod-shaped crystallike structures with pointed or rounded ends present in the interstitial cells of the testis (Leydig cells) and ovary.

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. office of the chehalis basin boardWebJul 1, 2006 · Request PDF On Jul 1, 2006, Colin Stewart and others published Cytologic identification of Reinke crystalloids in ovarian Leydig cell tumor Find, read and cite all the research you need on ... office of the chief adviser costWebCrystalloids of Reinke were identified in 35% of the tumors. Conspicuous nuclear atypicality was present in 12 tumors and the mitotic rate ranged from less than 1 to 32/10 high-power fields. Blood vessel invasion, lymphatic invasion, or both were identified in four tumors. Follow-up of 2 months to 22 years (average 4 years) was available for 30 ... office of the chief clinical officerWebReinke crystals (RC) are pathognomonic of Leydig cells (LCs); they are thought to be rare in normal testes and to occur only in approximately one third of LC tumors. We noticed that … my curl patternWebMay 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. office of the chief commissionerWebReinke 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 … my curly headed babyWebJul 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. office of the chief counsel miami fl