purpose : to introduce a novel classification system for the extent of choroid invasion and to analyze the incidence of histopathologic risk factors (hrfs) in the patients with retinoblastoma in china methods : the clinical data of 104 enucleated eyes diagnosed with retinoblastoma were retrospectively reviewed, and the pathological re-examination of the enucleated eyes was conducted. results : ...

background: abnormal placental invasion has increased parallel with persistent rise in caesarean delivery. management relies on accurate diagnosis and delivery should be planned at an institution with appropriate expertise and resources for managing this condition.   case: we present a case of a placenta invasion anomaly which is the major risk factors of peripartum deaths. in this case we try ...