Table 3(B).

Association of LCH with lymphomas by age at LCH diagnosis and occurrence of AM with respect to LCH diagnosis.

	Age at LCH diagnosis
	≤18 years				>18 years
	Associated Malignancy				Associated Malignancy
	precedes	concurrent	follows	Total	precedes	concurrent	follows	Total
Lymphomas
Hodgkin	2	1	4	7	12	17	3	32
Non-Hodgkin	2	1	4	7	6	13	4	23+2
Large B-cell	1	-	3	4	-	3	-	3
Immunoblastic	-	-	-	-	-	1	-	1
Follicular	-	-	-	-	3	1	1	5
Follicular grade 2	-	-	-	-	-	3	-	3
Follicular grade 1	1	-	-	1	-	-	-	-
Lymphoblastic	-	-	-	-	-	2	-	2
T-cell lymphoblastic	-	1	-	1	-	3	2	5
Multiple myeloma	-	-	-	-	2	-	-	2
Unspecified	-	-	1	1	1	-	1	2
Histiocytic sarcoma	-	-	-	+1	-	-	1	1+1
PTLD	-	-	1	1	-	-	-	-
Total	4	2	9	15+1	18	30	8	56+3

Legend:

PTLD: Post transplant proliferative disorder.

+n: number of malignancies subsequent to the first AM.