5917
In the synovial tissue , fully differentiated perivascular DC are found in close association with T cells and with B cell follicles , sometimes containing follicular DC .
 follicular DC, T cells, perivascular DC, B cell follicles
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 follicular DC, T cells, perivascular DC, B cell follicles