Segmental ureterectomy is less invasive than radical nephroureterectomy and results in nephron preservation and satisfactory tumor control. This study was to determine the feasibility of segmental ureteroileal conduit resection (SUICR) for patients with distal upper urinary tract recurrence of bladder cancer following radical cystectomy. Four patients with high-grade distal upper urinary tract recurrence underwent SUICR 15–108 months after radical cystectomy. The surgical technique details of SUICR, operative results, and follow-up outcomes are reported. The median operation time was 280 min, and estimated blood loss was less than 100 mL. One patient suffered from ileus 5 days after surgery and was managed conservatively. Histopathologic evaluation showed high-grade stages pTa-pT1 diseases for these patients, and ureteral margins were all negative. No patient suffered from tumor recurrence, with a median follow-up of 39 months. SUICR preserved the ipsilateral renal unit and conformed to oncological principles during surgery. The oncological outcome was satisfactory for these properly selected patients. This technique provides a valid alternative to nephroureterectomy for patients with imperative indications and high-grade upper urinary tract recurrence of bladder cancer following radical cystectomy.

Abstract1,2‐Diphenyl‐1,2‐dimethyldisilanylene‐bridged bis‐cyclopentadienyl complex [η5,η5‐C5H4PhMeSiSiMePh‐C5H4]Fe2(CO)2(μ‐CO)2 (1) was synthesized by a modified procedure, from which the trans‐isomer 1b that was previously difficult to obtain has been isolated for the first time. More interestingly, two new regio‐isomers [η5,η5‐C5H4SiMe(SiMePh2)C5H4]Fe2(CO)2(μ‐CO)2 (2) and [η5,η5‐C5H4Me2SiSiPh2C5H4]Fe2(CO)2(μ‐CO)2 (3) were occasionally obtained during above process, the novel structures of which opened up new options for further study of this type of Si–Si bond‐containing transition metal complexes. The molecular structure of 2 has been determined by the X‐ray diffraction method.

The reaction of the title cyclic mmpIex (1) with sodium amal-