TABLE 4.

Inflammatory features in SLONM

	SLONM	SLONM‐noMGUS	SLONM‐MGUS	SLONM‐HIV
	(total = 49)	(n = 34)	(n = 13)	(n = 2)
Immunohistochemistry
MHCn, regenerating fibers (%)	5.8 ± 9.3a	5.1 ± 9.9b	9.0 ± 7.9c	0.65 ± 0.5
≤1%	16 [36.4]a	13 [39.4]b	3 [27.3]c	2 [100.0]
>1 to ≤5%	15 [34.1]a	14 [42.4]b	1 [9.1]c	0
>5 to ≤10%	5 [11.4]a	2 [6.1]b	3 [27.3]c	0
>10%	8 [18.2]a	4 [12.1]b	4 [36.4]c	0
CD3 in 10 HPF	19.4 ± 27.7b	19.0 ± 30.6	19.3 ± 20.5b	28.0 ± 22.6
CD8 in 10 HPF	17.9 ± 26.4b	18.0 ± 29.8	17.8 ± 17.0b	18.0 ± 17.0
CD20 in 10HPF	2.1 ± 4.6c	1.7 ± 3.7	3.2 ± 6.8c	0
CD68 in 10HPF	99.9 ± 94.3b	105.1 ± 104.8	89.0 ± 63.4b	78.0 ± 87.7
HLA‐ABC	32 [66.7]b	23 [67.6]	8 [66.7]b	1 [50.0]
Score 1	10 [20.8]b	5 [14.7]	5 [41.7]b	0
Score 2	13 [27.1]b	9 [26.5]	3 [25.0]b	1 [50.0]
Score 3	9 [18.8]b	9 [26.5]	0b	0
HLA‐DR	1 [2.1]b	0	1 [8.3]b	0
MAC capillary deposition	29 [60.4]b	21 [61.8]	6 [50.0]b	2 [100]
Score 1	19 [39.6]b	11 [32.4]	6 [50.0] b	2 [100]
Score 2	8 [16.7]b	8 [23.5]	0b	0
Score 3	2 [4.2]b	2 [5.9]	0b	0
MAC sarcolemmal deposition	6 [12.5]b	5 [14.7]	1 [8.3]b	0
Score 1	2 [4.2]b	2 [5.9]	0b	0
Score 2	3 [6.3]b	2 [5.9]	1 [8.3]b	0
Score 3	1 [2.1]b	1 [2.9]	0b	0
MAC capillary/sarcolemmal deposition, mixed	9 [18.8]b	7 [20.6]	2 [16.7]b	0
p62 (fine granular pattern)	36 [78.3]a	26 [78.8]b	8 [72.7]c	2 [100]
Score 1	6 [13.0]a	4 [12.1]b	2 [18.2]c	0
Score 2	12 [26.1]a	10 [30.3]b	2 [18.2]c	0
Score 3	18 [39.1]a	12 [36.4]b	4 [36.4]c	2 [100]

Abbreviations: CD, cluster of differentiation; HLA‐ABC, human leukocyte antigen‐ABC; HLA‐DR, human leukocyte antigen‐DR; HPF, high power field (40x objective); MAC, membrane attack complex (C5b‐9); MHCn, neonatal myosin; p62 (STQM1); SLONM‐HIV, SLONM associated with HIV; SLONM‐MGUS, SLONM with MGUS association; SLONM‐noMGUS, SLONM without MGUS association.

^a Information not available in three cases.

^b Information not available in one case.

^c Information not available in two cases.