Andreas Hiester1, Alessandro Nini2, Günter Niegisch2, Christian Arsov2, Hubertus Hautzel3, Christina Antke3, Lars Schimmöller4, Peter Albers2, Robert Rabenalt2. 1. Department of Urology, Medical Faculty, Heinrich Heine University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany. andreas.hiester@med.uni-duesseldorf.de. 2. Department of Urology, Medical Faculty, Heinrich Heine University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany. 3. Department of Nuclear Medicine, Medical Faculty, University of Duesseldorf, Duesseldorf, Germany. 4. Department of Diagnostic and Interventional Radiology, Medical Faculty, University of Duesseldorf, Duesseldorf, Germany.
Abstract
OBJECTIVES: To report pre-, postoperative and oncological outcomes in patients treated with spot-specific sLND for patients with exclusive nodal recurrence after PCa primary treatment. MATERIALS AND METHODS: With regard to salvage treatment failure (sTF), 46 consecutive patients, undergoing 52 sLND for nodal recurrence detected by PET/CT scan were stratified in 3 groups (group A: post-sLND PSA nadir < 0.01 ng/ml and in follow-up reaching a value > 0.2 ng/ml, group B: post-sLND PSA nadir > 0.01 ng/ml and in follow-up reaching a value equal to pre-sLND PSA; group C: additional salvage treatment administration). Surgical outcome of patients was analyzed by descriptive statistics (Student's t test for continuous variables, Chi-square and Fisher's test for categorial ones). Time to sTF of each group was analyzed and compared by Kaplan-Meier method and correlations regarding sTF and pre-sLND PSA, time from PCa primary treatment to PET/CT scan, time from PCa primary treatment to sLND and number of positive PET/CT scan spots were assessed. RESULTS: Median PSA at PET/CT scan was 2.9 ng/ml (IQR 1.2-6.1). Open and laparoscopic sLND were performed in 40/52 (77%) and 12/52 (23%), respectively. Median number of removed lymph nodes was 6 (IQR 4-13). Histological report was positive for PCa in 39/52 sLND (75%). Median blood loss was 50 ml (IQR 0-50, range 0-600). Median length of hospital stay was 5 days (IQR 4-6). 4 and 7 patients had low-grade (I/II) and high-grade (≥ III) Clavien-Dindo complications, respectively. Readmission rates at 30 and 90 days were 5/52 (9.6%) and 1/52 (2%), respectively. sTF was observed in 2/7 (group A), 12/12 (group B) and 22/22 patients (group C). Median time to sTF in group B and C was 3.5 (IQR 1.7-13.2) and 4 months (IQR 2.0-10), respectively. CONCLUSION: Even spot-specific PET/CT sLND harbors a measurable (CD > III) morbidity in 1 out of 7 patients. Only patients with positive histological report and a PSA nadir < 0.01 ng/ml after sLND seem to experience a long-term benefit. Patients with a PSA nadir > 0.01 ng/ml have a delay of systemic treatment of up to 4 months. sLND remains an experimental approach and long-term oncological benefit needs an improved selection of patients.
OBJECTIVES: To report pre-, postoperative and oncological outcomes in patients treated with spot-specific sLND for patients with exclusive nodal recurrence after PCa primary treatment. MATERIALS AND METHODS: With regard to salvage treatment failure (sTF), 46 consecutive patients, undergoing 52 sLND for nodal recurrence detected by PET/CT scan were stratified in 3 groups (group A: post-sLND PSA nadir < 0.01 ng/ml and in follow-up reaching a value > 0.2 ng/ml, group B: post-sLND PSA nadir > 0.01 ng/ml and in follow-up reaching a value equal to pre-sLND PSA; group C: additional salvage treatment administration). Surgical outcome of patients was analyzed by descriptive statistics (Student's t test for continuous variables, Chi-square and Fisher's test for categorial ones). Time to sTF of each group was analyzed and compared by Kaplan-Meier method and correlations regarding sTF and pre-sLND PSA, time from PCa primary treatment to PET/CT scan, time from PCa primary treatment to sLND and number of positive PET/CT scan spots were assessed. RESULTS: Median PSA at PET/CT scan was 2.9 ng/ml (IQR 1.2-6.1). Open and laparoscopic sLND were performed in 40/52 (77%) and 12/52 (23%), respectively. Median number of removed lymph nodes was 6 (IQR 4-13). Histological report was positive for PCa in 39/52 sLND (75%). Median blood loss was 50 ml (IQR 0-50, range 0-600). Median length of hospital stay was 5 days (IQR 4-6). 4 and 7 patients had low-grade (I/II) and high-grade (≥ III) Clavien-Dindo complications, respectively. Readmission rates at 30 and 90 days were 5/52 (9.6%) and 1/52 (2%), respectively. sTF was observed in 2/7 (group A), 12/12 (group B) and 22/22 patients (group C). Median time to sTF in group B and C was 3.5 (IQR 1.7-13.2) and 4 months (IQR 2.0-10), respectively. CONCLUSION: Even spot-specific PET/CT sLND harbors a measurable (CD > III) morbidity in 1 out of 7 patients. Only patients with positive histological report and a PSA nadir < 0.01 ng/ml after sLND seem to experience a long-term benefit. Patients with a PSA nadir > 0.01 ng/ml have a delay of systemic treatment of up to 4 months. sLND remains an experimental approach and long-term oncological benefit needs an improved selection of patients.
Entities:
Keywords:
Nodal recurrence; PET/CT scan; Prostate cancer; Salvage surgery
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