WASHINGTON D.C.—Percutaneous varicocele embolization is safe and effective for treating painful varicoceles and may improve sperm concentration in infertile men, according to Canadian researchers.

WASHINGTON, D.C.—Primary placement of tunneled dialysis catheters (TDCs) in patients with acute renal failure (ARF) requiring hemodialysis may be better than using nontunneled dialysis catheters (NTDCs), according to researchers.

WASHINGTON, D.C.—An imaging technique that combines MRI and transrectal ultrasound (MRI-TRUS) is feasible for performing targeted prostate biopsies. This approach may have some advantages over traditional biopsy methods, researchers said here at the Society of Interventional Radiology annual meeting.

WASHINGTON, D.C.—Sclerotherapy of postoperative lymphoceles is safe and effective, but the success of this approach may be directly related to the size of the lymphocele cavity, according to new data.

WASHINGTON, D.C.—An imaging modality called cone beam CT may improve intraprocedural management decisions during percutaneous nephrolithotripsy (PCNL), researchers say.

SAN DIEGO—Dutch researchers have reported preliminary success with a combination of the GVAX immunotherapeutic vaccine and ipilimumab (MDX-010, Medarex, Inc) in patients with metastatic hormone-refractory prostate cancer.

SAN DIEGO—Growth hormones commonly used by older men may raise cancer mortality risk significantly.

ORLANDO—Men who have PSA levels below 3 ng/mL at age 75-80 years may be able to safely discon-tinue regular prostate cancer screenings, according to researchers.

WASHINGTON, D.C.—Cryoablation is an appropriate option for patients with unresectable renal masses, but long-term follow-up studies are needed before this modality can be expanded to treatment of all potential surgical candidates, researchers say.

SAN DIEGO—Dutch researchers say that they have identified potential biomarkers which might help physicians monitor the effectiveness of bevacizumab in non-small-cell lung cancer (NSCLC) patients and in patients with advanced kidney cancer treated with sunitinib.