Hiroaki Ishida

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Preoperative diagnosis of uterine sarcoma is very difficult, and currently, its diagnostic accuracy is not satisfactory. It is therefore important to perform surgery and establish the pathological diagnosis if the clinical findings and various examination findings indicate possible uterine sarcoma. We investigated the accuracy of the combination of various(More)
Uterine inversion is a rare complication of the postpartum period and an even rarer complication of the nonpuerperal period. A 47-year-old woman, gravid 2, para 2, was referred to our hospital with blood-stained leucorrhoea and severe anemia. Magnetic resonance imaging (MRI) scans showed a U-shaped uterine cavity and the pedicles of a tumor attached to the(More)
BACKGROUND Invasive urothelial carcinoma, lymphoma-like/plasmacytoid variant, is a rare histological type of bladder cancer similar to plasma cells and is an aggressive variant of urothelial carcinoma associated with a poor prognosis. CASE PRESENTATION A 41-year-old Asian man was referred to our hospital due to macroscopic hematuria. Cystoscopy detected a(More)
In 2014, we published an article titled "Novel uterine sarcoma preoperative diagnosis score predicts the need for surgery in patients presenting with a uterine mass" on the preoperative diagnosis of uterine sarcoma, in the SpringerPlus (Nagai et al. in SpringerPlus 2014, 3:678. doi:10.1186/2193-1801-3-678). Subsequently, we received several suggestions from(More)
Primary retroperitoneal mucinous cystic tumors with borderline malignancy are rarely encountered. To date, only 12 cases have been reported in the literature. In this report, we present an additional case. A 65-year-old nulliparous woman complained of abdominal fullness. Her medical history included a hysterectomy and a single salpingo-oophorectomy(More)
INTRODUCTION Primary malignant melanoma of the vagina is an extremely rare disease affecting 3% of patients with malignant vaginal tumors. It is rare compared to primary malignant melanoma of the skin and its prognosis is unfavorable even in patients with Stage I disease. Here, we report a case of primary malignant melanoma of the vagina and discuss our(More)
A 40-year old woman, gravida 4, para 4, presented with sudden lower abdominal pain and severe vaginal bleeding at 17 weeks of gestation. Clinical symptoms and ultrasonographic finding revealed placental abruption. The volume of bleeding was heavy and led to disseminated intravascular coagulation and hypovolemic shock. We performed blood transfusion and(More)
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