31 research outputs found

    Abnormal uterine bleeding in perimenopausal women: sonographic and histopathological correlation and evaluation of uterine endometrium

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    Background: The objectives of the study was to establish the role of histopathological diagnosis of uterine endometrial lesions in patients of AUB at perimenopausal age and to correlate the transvaginal sonographic (TVS) finding with histopathological examination.Methods: This prospective observational study was carried out over 1 and 1/2 years in the two apex level teaching hospitals in eastern India. A total of 197 women in the age group of 40-49 years and ≥50 years (up to 55 years) who presented with abnormal uterine bleeding were included in the study. After selecting the patient with eligibility criteria in the OPD, detailed clinical history, systemic and gynecological examinations and investigations were done as per proforma. TVS study of endometrial pattern and thickness was measured followed by dilatation and curettage (D and C) and HPE of the endometrial curetting was done.Results: Menorrhagia (44.67%) was the most common clinical finding. Mean endometrial thickness measured by TVS was 7.04±2.11 mm in proliferative phase and 10.25±1.27 mm in the secretory phase. Proliferative endometrium (37.06%) was the most frequent finding in HPE followed by secretory endometrium (20.3%). Hyperplasia of endometrium was noted in 27 cases (100%) at 12-15 mm of endometrial thickness on TVS whereas endometrial hyperplasia with and without atypia and endometrial carcinoma was noted in 25 cases (92.59%) at the same thickness of 12-15 mm of uterine endometrium on HPE. Endometrial hyperplasia and polyp both had sensitivity of 84.21% and 71.43% respectively on TVS as compared with histopathology.Conclusions: Increased endometrial thickness and echo pattern by TVS correlated well with abnormal endometrial tissue histopathology in perimenopausal women with AUB

    Symmetric and anti-symmetric Landau parameters and magnetic properties of dense quark matter

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    We calculate the dimensionless Fermi liquid parameters (FLPs), F0,1symF_{0,1}^{sym} and F0,1asymF_{0,1}^{asym}, for spin asymmetric dense quark matter. In general, the FLPs are infrared divergent due to the exchange of massless gluons. To remove such divergences, the Hard Density Loop (HDL) corrected gluon propagator is used. The FLPs so determined are then invoked to calculate magnetic properties such as magnetization ⟨M⟩\langle M\rangle and magnetic susceptibility χM\chi_M of spin polarized quark matter. Finally, we investigate the possibility of magnetic instability by studying the density dependence of ⟨M⟩\langle M\rangle and χM\chi_M.Comment: 14 pages, 5 figures, abstract and introduction modifified. Published in Phys. Rev. C. 81, 054906 (2010

    Ground state energy of spin polarized quark matter with correlation

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    We calculate the ground state energy of cold and dense spin polarized quark matter with corrections due to correlation energy (Ecorr)(E_{corr}). Expressions for EcorrE_{corr} both in the non-relativistic and ultra-relativistic regimes have been derived and compared with the exchange and kinetic term present in the perturbation series. It is observed that the inclusion of correlation energy does not rule out the possibility of the ferromagnetic phase transition at low density within the model proposed by Tatsumi\cite{tatsumi00}. We also derive the spin stiffness constant in the high density limit of such a spin polarized matter.Comment: 20 pages, 7 figures, new references added, accepted to be published in Phys.Rev

    Pionic contribution to relativistic Fermi Liquid parameters

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    We calculate pionic contribution to the relativistic Fermi Liquid parameters (RFLPs) using Chiral Effective Lagrangian. The RFLPs so determined are then used to calculate chemical potential, exchange and nuclear symmetry energies due to π\piNN interaction. We also evaluate two loop ring diagrams involving σ\sigma, ω\omega and π\pi meson exchanges and compare results with what one obtains from the relativistic Fermi Liquid theory (RFLT).Comment: 6 pages, 2 figures, Published in Canadian Journal of Physics, vol. 88, issue 8, pp. 585-59
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