Table 2.

Immunohistochemical markers used to characterize feline progressive histiocytosis lesions.

Antibody	Manufacturer	Clone/code no.	Dilution
CD18	LABL	Fe3.9F2	1:10
MHC II	Dako	ab25333	1:150
Iba1	Wako	019-19741	1:2,000
E-cadherin	BDTL	Clone 36	1:250
Ki67	Dako	Clone MIB-1	1:600
CD117/c-kit	Dako	A4502	1:200

BDTL = Transduction Laboratories, Lexington, KY; Dako = Dako, Agilent Technologies, Glostrup, Denmark; LABL = Leukocytes Antigen Biology Laboratory, Davis, CA; Wako = Wako Chemicals, Richmond, VA.