Hodgkin's Lymphoma in Children and Adolescents: A Saint Petersburg Hodgkin's Lymphoma Group Study

Table 1

Demographic and clinical characteristics.

Characteristics	No. of patients	%
Age
<9 years	6	10
≥10 years	54	90
Sex
Male	26	43.3
Female	34	56.7
Stage
I	3	5
II	29	48.3
III	13	21.7
IV	15	25
B-symptoms
Present	23	38.3
Absent	37	61.7
Biological “b” stage
Present	37	61.7
Absent	23	38.3
Histology
Lymphocyte predominance	2	3.3
Nodular sclerosis	46	76.7
Mixed cellularity	9	15
Not subclassified	3	5
Involved nodal sites
1–3	23	38.3
≥4	37	61.7
“Bulky” disease
Absent	27	45
Present	33	55