background & aim: cervical ectopic pregnancy is a rare variant of ectopic pregnancy, and placenta percreta is a complex and dangerous condition; patients with these conditions are difficult to manage. in this study, we present a rare case of placenta percreta in cervical pregnancy. case report: a 32 -year-old woman with 19 weeks of gestation and gross hematuria was admitted to qaem hospital in ...

pedunculated chorangioma is extremely rare type of chorangioma. to the best of our knowledge, no case has been reported in indian literature. we report one such rare case in a twenty two year old primi gravida who delivered a full term live female baby by lower section caesarian section (lscs). gross examination revealed a nodular mass attached to the placenta by a pedicle. histopathological ex...

in this paper, we study some ring theoretic properties of the amalgamated duplication ring $rbowtie i$ of a commutative noetherian ring $r$ along an ideal $i$ of $r$ which was introduced by d'anna and fontana. indeed, it is determined that when $rbowtie i$ satisfies serre's conditions $(r_n)$ and $(s_n)$, and when is a normal ring, a generalized cohen-macaulay ring and finally a filter ring.