Tumor apelin immunoreactivity is correlated with body mass index in ovarian high grade serous carcinoma

Ovarian cancer has a high mortality rate. Serous carcinoma is the most common subtype and can be detected by distant or lymph node metastasis in advanced stages. Apelin, an adipokine associated with obesity, and its receptor, APJ, participate in lymphatic invasion. Angiogenesis also can affect lymph node involvement in serous ovarian carcinomas. We investigated apelin/APJ receptor immunoreactivity in stages III and IV ovarian cancer with or without lymph node involvement and correlated the results with body mass index (BMI) to determine whether the potential relation of the two affects the outcome of the cancer. We investigated 30 patients diagnosed between 2014 and 2016 with high grade serous ovarian cancer. Tumor:stroma ratio, indirect immunoperoxidase method, H-score and MATLAB analysis were performed. In obese and pre-obese patients, tumor apelin immunoreactivity was stronger than for patients with normal BMI. Tumor:stroma ratio was correlated with survival and lymph node involvement. Strong apelin and moderate APJ immunoreactivity was detected in both lymph node negative and positive patients. BMI was related to both survival outcome and apelin immunoreactivity. BMI, adipokines such as apelin, and the stromal compartment play critical roles in advanced stage serous carcinomas.

An incidentally diagnosed epithelioid trophoblastic tumor in hysterectomy

Epithelioid trophoblastic tumor is a rare non-molar gestational trophoblastic disease. A 40-year-old multiparous woman was incidentally diagnosed with epithelioid trophoblastic tumor after hysterectomy. Hysterectomy specimen revealed multiple small, tan to yellow nodules measuring 0.3-0.8 cm just below the endometrium. In the microscopic examination uniform neoplastic cells with varying cellularity were accompanied by necrotic zones and eosinophilic hyaline material. Immunohistochemically neoplastic cells were diffusely stained with CK 7, inhibin-alpha, p63, hPL, and CD146. There was no staining with beta-HCG, SMA, PLAP, or h-caldesmon. Ki-67 proliferative index was approximately 10% and cyclin E was stained in approximately 10% of the neoplastic cells. Although immunohistochemical studies are helpful in classifying gestational trophoblastic lesions, borderline values can cause diagnostic confusion between neoplastic and reactive lesions, particularly in inadequate endometrial biopsies.

Paranormal beliefs of Latvian college students: a Latvian version of the revised paranormal belief scale

A Latvian version of the Revised Paranormal Belief Scale (RPBS) was completed by 229 Latvian university students. Exploratory and confirmatory factor analyses revealed six relatively independent factors labeled Magical Abilities, Psychokinesis, Traditional Religious Belief, Superstition, Spirit Travel, and Extraordinary Life Forms. Based on the motivational-control model, it was hypothesized that the societal stressors affecting Latvian society during the last 50 yr. have led to a reduced sense of personal control which, in turn, has resulted in increased endorsement of paranormal beliefs to re-establish a sense of control. The motivational-control hypothesis was not supported. Results indicated that (except for Traditional Religious Belief in women), the majority of these students were disbelievers in paranormal phenomena. As hypothesized, Latvian women reported significantly greater paranormal belief than men.

Distribution of human papillomavirus types in Turkish women

PURPOSE OF INVESTIGATION

Since oncogenic types of human papillomavirus (HPV) are associated with a higher risk of cervical cancer and certain types can be controlled by a vaccine, a study has been performed to determine the HPV genotype distribution among Turkish women.

METHODS

The study included patients with abnormal cytology or in the follow-up for cervical intraepithelial neoplasia between 2002 and 2009 at Hacettepe University Hospital. The results of 1797 consecutive cervical samples were analyzed retrospectively. INNO-LiPA HPV genotyping, HPV-Typing and Seeplex HPV 18-plex genotyping tests were used to determine the types of HPV.

RESULTS

HPV was detected in 404 (22.4%) of 1797 samples studied. HPV DNA was identified in 194 cases by using HPV-Typing test but the specific genotype was not available. The most frequent genotype was HPV 16 which was observed in 103 cases (49.0%).

CONCLUSION

HPV 16 was the most common genotype observed among Turkish women with abnormal cytology. It suggests that HPV vaccination may be useful for prevention of cervical cancer in this population.

Preoperative serum leptin levels in patients with endometrial cancer and its correlation with prognostic variables

PURPOSE OF INVESTIGATION

Since leptin is believed to be a key player in carcinogenesis, a study has been designed to investigate the relationship between leptin levels and endometrial cancer.

METHODS

A study including 30 patients with endometrial cancer and 30 healthy controls was carried out between November 2008 and July 2009 in Hacettepe University Hospital. All patients with endometrial cancer underwent a complete surgical staging procedure including lymphadenectomy. Preoperative leptin levels of endometrial cancer patients and healthy controls were compared. The relationships between leptin levels and stage, grade, histological type and lymph node status of endometrial cancer cases were evaluated.

RESULTS

The mean serum leptin levels were 16.9 ng/ml among endometrial cancer cases and 19.0 ng/ml among controls (p = 0.32). Of endometrial cancer cases, the mean leptin level was found to be 15.8 ng/ml for Stage I and 18.5 ng/ml for Stage II-IV disease (p = 0.34). The figure was 17.7 ng/ml for endometrioid and 13.2 ng/ml for non-endometrioid type of tumor (p = 0.24). The mean leptin levels of 16.3 ng/ml for grade 1 and 19.9 ng/ml for grade 2-3 tumors were observed (p = 0.07). The cases with positive and negative lymph nodes had leptin levels of 20.2 ng/ml and 16.1 ng/ml, respectively (p = 0.30).

CONCLUSIONS

Serum leptin levels in endometrial cancer patients were similar to healthy controls. Leptin did not show any significant correlation with stage, grade, histological type and node metastases in endometrial cancer.