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Westernization of lifestyle has increased the numbers of patients with endometrial cancer and obesity. This study aimed to compare the clinical outcomes of robotic-assisted surgery according to whether patients are obese, morbidly obese, or nonobese.Sixty-three patients with endometrial cancer who underwent robotic-assisted surgery between March 2014 and June 2022 were categorized according to whether they had a body mass index (BMI)30 (group A, nonobese, n = 40), ≥30 and35 (group B, obese, n = 13), or ≥35 (group C, morbidly obese, n = 10). Operation time, blood loss, perioperative complications, and recurrence rate were investigated.Conversion to laparotomy was required in one case in group A and one in group C. There was no difference in total operation time, time for setting (including trocar installation and docking of the da Vinci robot), console time, or time for wound closure between the groups; however, there was a significant between-group difference in the total time for setting and wound closure. There was no significant difference in blood loss or complications between the groups. Three patients in group A and two in group B received adjuvant treatment; none have shown evidence of recurrent disease during a mean observation time of 21 months (range, 2-29). Two cases in group A and one in group B had recurrence during a mean observation time of 38 months (range, 19-46).Patients with endometrial cancer who are obese can be treated safely by robotic-assisted surgery with a low risk of complications and few relapses.

Aim / PEGylated liposomal doxorubicin (PLD) is a therapeutic agent for gynecological malignancy. Hypersensitivity reaction (HSR) is a major adverse effect that usually disappears after halting administration of PLD. Premedication is usually not necessary before administration of PLD to prevent HSR. Here, we evaluated the frequency of HSR during administration of PLD following premedication in Japanese women. / Methods / We performed PLD administration in 78 patients (386 cycles) between 2013 and 2018. Granisetron hydrochloride and dexamethasone sodium phosphate were administered 30 min before PLD administration. Then, PLD (40 or 30 mg/m2 combined usage with carboplatin) was administered. We retrospectively reviewed the medical records of 78 patients and examined the frequency of HSR. / Results / Seven of 78 (9%) patients showed HSR by PLD administration following premedication. One patient showed cardiopulmonary arrest in 13 min after PLD administration (grade 4). The other six patients showed grade 2 HSR. All patients developed HSR in the first course. The incidence of HSR was significantly higher in patients with allergic history than in patients without allergic history (p = 0.0151). / Conclusions / Clinicians should be aware of the potential for HSR in patients administered PLD, particularly those with allergic history and those receiving the first cycle of PLD, even following premedication.