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Table 4 Number and location of PET positive lymph nodes in patients with no prior treatment (n = 32)

From: Distribution of prostate nodes: a PET/CT-derived anatomic atlas of prostate cancer patients before and after surgical treatment

Location Region affected Lymph nodes affected n; (%/all pathologic lymph nodes) Geographical miss (n = regions) Geographical miss n; (%/pathologic lymph nodes)
Internal pudendal nodes 2 2 (2.6) 0 0
Inferior rectal nodes 0 0   
Periprostatic lymphatic plexus 1 1 (1.3) 0 0
Seminal vesicle lymphatic plexus 0 0   
Perirectal lymphatic plexus 3 4 (5.1) 3 4 (100)
Perivesical lymphatic plexus 3 3 (3.8) 3 3 (100)
Sacral nodes 0 0   
Internal iliac nodes 7 7 (8.9) 0 0
External iliac nodes 20 25 (32.1) 4 4 (16.0)
Superior rectal nodes 0 0   
Common iliac nodes 12 18 (23.1) 4 5 (27.8)
Para-aortic nodes 7 15 (19.2) 7 15 (100)
Inguinal nodes 3 3 (3.9) 3 3 (100)
Total 58 78 24 34 (43.6)