Naohiro Makise

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A 65-year-old man scheduled for gastrectomy was anesthetized with nitrous oxide combined with continuous epidural lidocaine. At the end of the operation, morphine 2 mg diluted in 0.25% bupivacaine 5 ml was injected through the epidural catheter. Seventy minutes later, the patient developed life-threatening respiratory depression which was antagonized by(More)
We report two cases of urinary bladder urothelial carcinoma (UC). In both, histological examination of a transurethral resection specimen of the bladder tumor revealed UC with plasmacytoid and micropapillary differentiations. In Case 1, residual plasmacytoid UC deeply invaded the extravesical fat tissue of the radical cystectomy specimen, and metastatic(More)
Squamous differentiation is the most common histological variation in urothelial carcinoma (UC). However, the clinical significance of squamous differentiation in upper urinary tract UC is unclear. To investigate the significance of squamous differentiation, hematoxylin and eosin stained slides from 140 patients with upper urinary tract UC who underwent(More)
We report an extremely rare case of urothelial carcinoma (UC) of the urinary bladder with diverse histological differentiation into squamous, glandular, and plasmacytoid components. A 65-year-old man presented with gross hematuria. Cystoscopy showed a papillary-growing tumor with a wide-based stalk on the left wall of the urinary bladder. Based on the(More)
Dedifferentiated liposarcoma (DDLPS) demonstrates a variety of growth patterns, and their histologic resemblance to other spindle cell mesenchymal tumors has been widely recognized. However, epithelioid morphology in DDLPS has only rarely been documented. Here, we report 6 cases of DDLPS with striking epithelioid/epithelial features. The patients were 5 men(More)
The melanoma-associated antigen A (MAGE-A) family comprises cancer-testis antigens that represent promising prognostic biomarkers and immunotherapy targets in several cancer types. The aim of this study was to investigate the significance of MAGE-A expression in upper urinary tract urothelial carcinoma in relation to clinicopathological features,(More)
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