Table 4.

Location and number of L-21-6–positive cells in different tissues of recipient 30 days after small intestine, liver, and bone marrow transplantation

Tissue	Donor cells after transplantation numbera / location
		Small intestine		Liver		Bone marrow
Spleen	+	Red pulp, PALSc	+	PALS, red pulp	+	PALS
Thymus	−/+	Distorted architecture, small medulla	+	Medulla	+ +	Medulla
Lymph nodes	+ + +	Cortical, T cell–rich	+ +	Mixed cortical and paracortical	+	Paracortical, dendritic cell–rich
Skin	+ + +	Dermal-epidermal junction	−/+	Deep dermis	−/+	Deep dermis
Liver	−	—	NA	—	+	Portal tracts, rare sinusoids

^aDonor cells on whole-mount section.

^b(−/+) rare; (+) 5< <10; (+ +) 10< <50; (+ + +) >50.

^cPALS, periarteriolar lymphoid shealth.