Table 1 Timing and results of biopsies in infants presenting with infantile liver disease.

Patient	Age at bone marrow biopsy	Bone marrow aspirate result	Age at initial liver biopsy	Liver biopsy result			Age at repeat liver biopsy	Liver biopsy result
	(mth)	LM	(mth)	LM	EM	PBD	(mth)	LM
1	1.5	−	1.5	−	s	yes	5.5	+
2	1.5	−	1.5	−	s	no	x	x
3	1.5	+	1.5	−	s	yes	x	x
4	3	+	3	−	s	no	x	x
5	4	−	4	−	s	no	x	x
6	10	+	x	x	x	x	x	x
7	11	+	11	+	x	no	x	x
8	16	−	1.5	−	n	yes	16	+
9	17	+	4	−	x	no	17	+
10	29	+	29	+	x	x	x	x
11	47	+	1.5	−	n	yes	24	poor quality

Details of patients listed according to their age at the time of bone marrow aspirate.

+, presence of storage cells; −, no storage cells seen; s, suggestive; n, non‐suggestive; x, not done.

LM, light microscopy; EM, electron microscopy; PBD, paucity of bile ducts.