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Table 2 The pathological characteristics of the bladder biopsy and the operating room of the patients in our series

From: Histology of variants of urothelial carcinoma of the bladder: a Moroccan series of 39 cases

  Bladder biopsy
N = 39
RC
N = 14
Pathological stage pT, n (%)
 Ta 4 (10) 0 (0)
 T1 18 (46) 0 (0)
 T2 17 (44) 6 (43)
 T3 6 (43)
 T4 2 (14)
Pathological lymph node stage pN, n (%)  
 N0   6 (43)
 N1   3 (21.5)
 N2   2 (14)
 N3   0 (0)
 Nx   3 (21.5)
ISC, n (%)
 Present 15 (38) 3 (21.5)
 Absent 24 (62) 11 (78.5)
Lymphovascular invasion, n (%)   
 Present 18 (46) 4 (28.5)
 Absent 21 (54) 10 (71.5)
Histological type, n (%)   
 Malpighian differentiation 12 (30) 4 (28.5)
 Micropapillary differentiation 5 (13) 3 (21.5)
 Glandular differentiation 6 (15) 0 (0)
 Microcystic differentiation 1 (2.5) 0 (0)
 Sarcomatoid differentiation 2 (5) 2 (14)
 Lympho-epithelial differentiation like 2 (5) 1 (7)
 Neuroendocrine differentiation 1 (2.5) 1 (7)
 Plasmocytoid differentiation 2 (5) 0 (0)
 Like lympho-epithelial differentiation + sarcomatoid + microcystic 1 (2.5) 1 (7)
 Glandular + like lympho-epithelial differentiation 1 (2.5) 0 (0)
 Malpighian + glandular differentiation 2 (5) 0 (0)
 Squamous + micropapillary differentiation 1 (2.5) 1 (7)
 Sarcomatoid + glandular differentiation + microcystic 1 (2.5) 1 (7)
 No differentiation 2 (5) 0 (0)
Lymph node invasion pN, n (%) 5 (35.5)
Micropapillary component, (%)
 5 2 (5) 1 (7)
 10 1 (2.5) 1 (7)
 ≥ 15 2 (5) 1 (7)
  1. RCP radical cystoprostatectomy, ISC in situ carcinoma