Table 2.

Summary of histologic lesion and FIPV RT-PCR in multiple lymphoid tissues

Tissue	Lymphoid hyperplasia	Lymphoid depletion	Histiocytosis	Vascular necrosis	Lymphoid necrosis	Granulomas	RT-PCR positive
Mesenteric LNa	5/12	7/12	11/12	4/12	7/12	4/12	9/12
Mediastinal LN	0/12	8/12	12/12	2/12	4/12	6/12	10/12
Spleen	4/12	0/12	4/12	1/12	3/12	6/12	6/12
Popliteal LN	7/12	2/12	10/12	2/12	2/12	1/12	3/9
Cervical LN	8/12	2/12	6/12	1/12	1/12	2/12	5/12
Thymus	0/12	0/12	0/12	0/12	6/12	0/12	8/12
Bone marrow	N/A	N/A	N/A	N/A	N/A	N/A	1/12
Feces	N/A	N/A	N/A	N/A	N/A	N/A	3/12

^aLymph node.