[Effects of RNA interference upon EGFR and its intracellular effective proteins in prostate cancer].

Objective: To investigate the growth of prostate cancer in vitro or in vivo by inhibiting the expression of EGFR and its intracellular effective proteins with small RNA interference ( SiRNA).

Methods: The hormone independence prostate cancer (HIPC) cell line PC-3 was transfected by EGFR SiRNA synthesized and cloned into a recombinant lentivirus vector. The growth rate of transfected PC-3 cell was measured by MTT.

[Comparative study on transperitoneal retroperitoneal laparoscopic adrenalectomy and open adrenalectomy for adrenal tumours].

Objective: To compare and evaluate the clinical value among transperitoneal, retroperitoneal laparoscopic adrenalectomy and open adrenalectomy for the treatment of adrenal tumours.

Methods: From January 1996 to June 2002, transperitoneal laparoscopic adrenalectomy (TLA) was performed for 19 cases, 17 cases were successful (Group A), retroperitoneal laparoscopic adrenalectomy (RLA) for 21 cases, 19 cases were successful (Group B), during the same period 41 patients with adrenal tumours under 6 cm in diameter underwent open adrenalectomy (Group C). The procedure was evaluated and compared in the respects of tumors weight, operation time, blood loss, recovery time of GI function, hospital stay, complications transferable rate and indications among three groups.