Table 1.

Patients with multiple extramedullary diseases

Patient	Time (months)	Sample	Plasma cell (%)	SHP1	CDKN2A	CDH1	CD56	CXCR4
1	0	Diagnostic BM	10	–	–	–	–	–
	26	Duodenal plasmacytoma	> 90	+	+	–	–	–
	26	Chest wall plasmacytoma	100	+	+	+	–	–
	26	Relapsed BM	1	+	+	–	–	–
2	0	Diagnostic BM	CD138 sorted cells	–	–	–	–	–
	2	Extradural plasmacytoma	> 90	+	–	–	–	–
	23	Relapsed BM	CD138 sorted cells	–	–	–	–	–
	23	Peripheral blood	34	+	–	–	–	–

Abbreviations: BM bone marrow; +, presence of methylation; −, absence of methylation