Diagnostic and therapeutic experience in patients diagnosed with renal neoplasm of low malignant potential after Bosniak Ⅰ-Ⅱ renal cyst decortication(Report of 8 cases)
Objective:To investigate the imaging and pathological characteristics,as well as diagnostic and treatment experience of patients who pathologically confirmed as multilocular cystic renal neoplasm of low malig-nant potential after Bosniak Ⅰ-Ⅱ renal cyst decortication.Methods:A retrospective analysis was conducted on clinical data of 8 patients diagnosed with multilocular renal cyst neoplasm of low malignant potential after BosniakⅠ-Ⅱ renal cystic decortication at Xinhua Hospital Affiliated to Medical College of Shanghai Jiao Tong University between 2018 and 2023.There were 2 males and 6 females with an average age of 41 years old.The analysis in-cluded imaging features,diagnostic and treatment procedures,and patient follow-up outcomes.Results:The cases were considered as Bosniak Ⅰ-Ⅱ renal cysts,while pathological results confirmed to be multilocular cystic renal tumor of low malignant potential.A retrospective analysis of imaging revealed typical features which included thickening of cyst walls and septa,enhanced high-density masses,and thick-wall nodules.Follow-up treatments included partial nephrectomy in 2 cases,radical nephrectomy in 4 cases,with an average interval of 2 months(2 weeks to 6 months)between the two procedures.Patients exhibited favorable postoperative recovery and no dis-ease progression was observed.Two patients under active monitoring showed no tumor recurrence.Conclusion:The key to improve the diagnosis and curative rate of cystic renal masses is paying attention to preoperative ima-ging study,intraoperative frozen section examination and active follow-up treatment.
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