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Table 1 Two subtypes of gastrointestinal FDCS

From: Follicular dendritic cell sarcoma of gastrointestinal tract with two emerging distinct subtypes: a case report and systemic review

 

Classic FDCS

Inflammatory EBV+ FDCS

P value

Case number

n = 21

n = 12

 

Mean age (median)

45.3 years (43)

60.7 years (58.5)

0.0011

Gender (M:F)

1:1.1

1:1

 

Location

Upper GI: Lower GI = 1.1

Colon, polypoid mass

 

Size (mean, cm)

7.8

3.0

0.0002

EBV

All negative

All positive

 

OS (mean)

14.6 months

36.4 months

0.12

DFS (mean)

10.2 months

36 months

0.071

Recurrence

38% (8/21)

8.3% (1/12)

0.087

Mortality rate

14.3% (3/21)

16.7% (2/12)

0.601

  1. Abbreviations: DFS disease free survival, EBV Epstein-Barr virus, FDCS follicular dendritic cell sarcoma, GI gastrointestinal, OS overall survival