31 research outputs found
Abnormal uterine bleeding in perimenopausal women: sonographic and histopathological correlation and evaluation of uterine endometrium
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
We calculate the dimensionless Fermi liquid parameters (FLPs),
and , 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 and magnetic
susceptibility of spin polarized quark matter. Finally, we investigate
the possibility of magnetic instability by studying the density dependence of
and .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
We calculate the ground state energy of cold and dense spin polarized quark
matter with corrections due to correlation energy . Expressions for
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
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 interaction. We also evaluate two loop ring diagrams involving
, and 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