Introduction. Malignant transformation in a mature cystic teratoma of the ovary is a rare complication. Squamous cell carcinoma is the most common transformation. We describe a new case of squamous cell carcinoma arising in a mature cystic teratoma. Case Report. A premenopausal 52-year-old female patient is diagnosed with vaginal bleeding. According to examination made on the women and the pelvic scanning, 7 cm mass is found on the right adnexa of the patient. Total abdominal hysterectomy, bilateral salpingo-oophorectomy, omentectomy, pelvic lymph node dissection, and debulking were the treatments completed on the patient. According to histopathological diagnosis, squamous cell carcinoma arising in a mature cystic teratoma is diagnosed as a reason for the mass in the right adnexa of the patient. Conclusion. The prognosis of the malign transformation of MCT depends on surgery stage; however it is extremely poor. The patient should receive chemotherapy regardless of stage. We have decided to administer second cycle carboplatin and paclitaxel treatments on the patient.

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Objective/Background: Lymphoma is seen as a highly treatable and curable malignancy with aggressive treatment methods. Efficacy is often limited by toxicity and many patients need alternative treatment strategies as they cannot tolerate existing high cytotoxic approaches. Our aim is to compare BEAM [carmustine (BCNU), etoposide, cytarabine (ARA-C, cytosine arabinoside), and melphalan] and mitoxantrone–melphalan (Mx-Mel) regimens utilized in our patients with a diagnosis of lymphoma who underwent autologous stem cell transplantation (ASCT), and to demonstrate that the Mx-Mel regimen has similar but less toxic results than the BEAM regimen we have been using frequently as standard conditioning regimen. Methods: A total of 101 patients with lymphoma who underwent ASCT were included in our study. The BEAM regimen included BCNU, etoposide, ARA-C, and melphalan. The Mx-Mel regimen included mitoxantrone and melphalan. Results: Of 101 patients included in the study, 60 (59.4%) received BEAM and 41 (40.6%) received Mx-Mel (40.6%) conditioning regimen. The median time to neutrophil engraftment was 10 (range: 9–20) days and 12 (range: 9–12) days in the BEAM and Mx-Mel arms, respectively; it was statistically significantly shorter in the BEAM arm (p = .001). Conclusion: This study demonstrates that the Mx-Mel regimen has similar efficacy and toxicity compared with the BEAM regimen. Although time to neutrophil engraftment was shorter in the BEAM arm, it did not result as significant transplant-related complications between the two regimens. The Mx-Mel regimen is seen as a good alternative with low toxicity and high efficacy.

Background: Knowledge on endothelial dysfunction and its relation to atherosclerosis in mastocytosis is limited. Aim: To investigate the endothelial function in mastocytosis by flow mediated dilatation (FMD) and biomarkers related to vascular endothelia, the presence of subclinical atherosclerosis by carotid intima media thickness (CIMT). Method: Forty-nine patients with mastocytosis and 25 healthy controls (HCs) were included. FMD and CIMT during transthoracic echocardiography, biomarkers including endocan, endothelin-1 (ET-1), vascular endothelial growth factor (VEGF) were measured in sera of participants. Tumor necrosis factor-alpha (TNF-α), interleukine-6 (IL-6) and high sensitive c-reactive protein (hsCRP) were determined as inflammatory biomarkers. Result: The mean FMD% was lower in the patients than HCs (11.26±5.85% vs 17.84±5.27% p<0.001) and was the lowest in the advSM and SSM group among the patients (p=0.03). The median value of VEGF was significantly higher in patients than HCs. [73.30 pg/mL; min-max (32.46-295.29) pg/mL vs (46.64 pg/mL; min-max 11.09-99.86 pg/mL; p:0.001] and it was the highest in the advSM and SSM group (p:0.01). FMD was inversely correlated with endocan (r:-.390, p:0.006), ET-1 (r:-.363, p:0.01) and VEGF (r:-.402, p:0.004) but there were no correlations between FMD and TNF-α, IL-6, and hsCRP. No differences in CIMT values between patients and HCs and no correlation between CIMT and the biomarkers were observed. Conclusion: Endothelial dysfunction in mastocytosis becomes evident with decreased FMD and elevated serum VEGF, in the absence of atherosclerosis or systemic inflammation and is related to disease severity. Keywords: CIMT, Endocan, Endothelial function, Endothelin-1, FMD, VEGF