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Introduction Adenocarcinoma of the rete testis is a rare malignancy with a poor prognosis. We report a case of adenocarcinoma of the rete testis with a durable response to cisplatin-based chemotherapy. Case presentation A 48-year-old man with Down syndrome (trisomy 21) presented with a 1-month history of painless swelling of the left scrotum. The physical examination revealed a left testis with a hydrocele associated with a tumor and enlarged pelvic and para-aortic lymph nodes. He underwent a radical orchiectomy. The specimen was diagnosed as adenocarcinoma of the rete testis. The patient received 7 cycles of chemotherapy (1 cycle of BEP and 6 cycles of EP) postoperatively. The metastatic lymph nodes were reduced in size for at least 12 months. Our patient with adenocarcinoma of the rete testis obtained an acceptable response to cisplatin-based chemotherapy. Conclusion We treated a patient with an adenocarcinoma of the rete testis who had an acceptable response to platinum-based chemotherapy.

We have developed a polymer-stabilized blue-phase LCD in which the diffraction wavelength of blue-phase liquid crystal is in the ultraviolet region and which is driven at a low voltage of V100 = 27 V. Prototypes of 3.4-in polymer-stabilized blue-phase LCDs were made, which include a highly reliable crystalline oxide semiconductor. We succeeded in fabricating not a test cell but a display having a contrast ratio higher than 1000 : 1 for the first time in the world.

We achieved low-voltage driving of a blue-phase liquid crystal display by employing liquid crystal with high dielectric anisotropy and a chiral material with high helical twisting power. A prototype of a 3.4-inch polymer-stabilized blue-phase display was made, which includes a highly reliable crystalline oxide semiconductor and operates favorably.

We realized a blue-phase liquid crystal display with low driving voltage and high contrast by using a liquid crystal material which is easily twisted and a protrusion electrode structure. Further, we made a prototype of a 3.4-inch panel by a novel manufacturing process suitable for a large-sized panel.