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Table 6 Relationship between the histopathological grades and the presence of trisomy 18 as revealed by fluorescence in situ hybridization

From: Fluorescence in situhybridization (FISH) analysis of primary ocular adnexal MALT lymphoma

  No. of patients    No. of patients  
  trisomy 18 (+) trisomy 18 (-) p-value   trisomy 18 (+) trisomy 18 (-) p-value
plasma cells brown-pigment-laden histiocytes
2+, 3+ 2 6 0.153 (-) 7 10 0.366
2+ < 14 12   (+) 9 8  
Dutcher bodies mitotic cells
(-) 10 11 0.607 (-) 0 4 0.066
(+) 6 7   (+) 16 14  
monocytoid B cells nodularity
(-) 1 5 0.116 (-) 6 1 0.029
(+) 15 13   (+) 10 17  
residual reactive germinal centers lymphoepithelial lesions *
(-) 1 6 0.061 (-) 0 4 0.049
(+) 15 12   (+) 6 3  
large lymphoid cells reactive T cells **
2+ 2 6 0.153 1+ 12 10 0.183
(-), 1+ 14 12   2+ 3 7  
polykaryocytes        
(-) 5 7 0.459     
(+) 11 11      
  1. * 21 cases (10 trisomy 18 (+), 11 trisomy 18 (-)) were not applicable.
  2. ** Two cases (one trisomy 18 (+), one trisomy 18 (-)) were not done.