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Introduction. Serous carcinoma is responsible for 47% of all ovarian cancers, and from these cases, only 5% are represented by low-grade serous carcinoma, the rest of them accounting for high-grade serous carcinoma. Objective. The aim of this study is an observational approach of the differences and similarities of the two types of serous carcinoma of the ovary, that must be seen as different forms of cancer and rendered with care. Methods. We performed a retrospective study using three cases of ovarian high-grade serous carcinoma and three cases of ovarian low-grade serous carcinoma, diagnosed at the University Emergency Hospital Bucharest. We analyzed patients’ age, clinical symptoms, macroscopic and microscopic features together with immunohistochemistry tests. Results. Mean age for HG carcinoma was 71.3 years old and for LG carcinoma 47.6 years old. Average tumor diameter was with 5.67 cm higher for LG carcinoma. The most encountered stage for HG tumors was pT2a and for LG tumors was pT1a. Mean value for Ki67 was with 36.33% higher for HG carcinoma. AR expressed diffuse positivity in two cases of LG and only focal positivity in two cases of HG. CD44 expressed focal positivity in all cases of LG and had different patterns in HG. Conclusions. We found considerable differences between patients’ mean age, macroscopic and microscopic features, together with immunohistochemistry expression for Ki67, AR, CD44.

Introduction. High‑grade serous carcinoma of the ovary is an aggressive form of cancer, with unknown precursor lesions and often delayed diagnosis because of non‑specific, mild symptoms. Objective. We performed a clinical‑pathological study of ovarian high‑grade serous carcinomas, in order to evaluate morphological and new immunohistochemistry characteristics of this malignancy. Methods. This is a retrospective study of 10 cases of ovarian high‑grade serous carcinoma. We evaluated patients’ age, symptoms at presentation, macroscopic aspects, bilateral involvement, microscopic features: papillary/solid areas, mitotic index, psammoma bodies, tumoral extension, lymph node metastasis, immunohistochemistry markers: CD44, ER, AR, Ki67 index. Results. Mean age was 56.9 years old. Tumors were bilateral in 50% of cases. Only 30% were limited to the ovary. Maximum tumor diameter was 16 cm. Solid component in a proportion of 50‑95% was more characteristic. Most tumors had a mitotic index of 30‑50 mitosis/10HPF (70% of cases). 20% of cases contained psammoma bodies. 2 cases out of 7 had lymph node metastasis. We noticed one case with pleural metastasis (M1). We observed AR80% was noticed in 30% of cases. CD44 was positive in 50% of cases and one case had diffuse positivity of CD44 in corpus luteum cells near the tumoral bed. Conclusions. The majority of patients with ovarian high‑grade serous carcinomas presented with extraovarian extension and were characterized by high mitotic index, rare presence of psammoma bodies, AR expression

Introduction. Iatrogenic injury of the urinary tract in women undergoing pelvic surgeries is one of the most feared complications and an important source of significant morbidity. Moreover, they cause a lot of anxiety to both patient and surgeon and they also create many legal concerns. The most commonly affected organs are the ureter, bladder and urethra. Urologic injury during obstetrics and gynecologic surgery should always be a matter of prevention, but there are situations in which prevention fails. With this article we intend to raise the awareness on potential situations leading to iatrogenic urinary tract lesions during obstetrics and gynecology surgery. CASE Cases presentation. Three different cases of iatrogenic injuries at various sites of the urinary tract during pelvic surgeries are presented and preventive and treatment measures are discussed. Conclusions. Most iatrogenic urinary tract lesions are prone to occur during difficult surgeries, but a significant number of iatrogenic injuries are made during routine interventions, even by the most trained surgeons. Therefore, preventing and recognizing iatrogenic urinary tract injuries is of highest importance for all surgeons performing interventions in the pelvic area.