Low-grade endometrial stromal sarcoma and undifferentiated endometrial sarcoma: a comparative analysis emphasizing the importance of distinguishing between these two groups.

Endometrial stromal sarcomas (ESSs) are rare tumors whose classification is still controversial. In this study, the authors studied 19 patients diagnosed with ESS at the Hospital S João, Porto, Portugal; reviewed their files and material; and performed immunohistochemical study for CD10, desmin, and smooth muscle actin markers, aiming to compare low-grade endometrial stromal sarcomas (LG-ESSs) and undifferentiated endometrial sarcomas (UESs) using the World Health Organization (WHO) classification. Twelve cases (63%) were classified as LG-ESS and 7 (37%) as UES.

Non-viable cervico-isthmic pregnancy: the importance of an accurate sonographic diagnosis to preserve fertility.

Background: Cervico-isthmic pregnancy is a rare occurrence and until the use of current ultrasonographic techniques was associated with a disastrous outcome for women desiring to maintain their fertility.

Case Report: A 39-year-old woman was diagnosed at 12 weeks of amenorrhoea with an intra-uterine non-viable pregnancy and a low implantation of the gestational sac. Medical management of this situation with a regimen of intravaginal misoprostol was unsuccessful.