Primary splenic histiocytic sarcoma complicated with prolonged idiopathic thrombocytopenia and secondary bone marrow involvement: a unique surgical case presenting with splenomegaly but non-nodular lesions

Table 1 Comparison of the main clinical features among the reported cases with primary splenic HS, including ours

Case [reference]	Age	Sex	CC	Imaging or Gross features	Weight of spleen	Therapy	Prognosis	Involvement
1 [10]	38	m	Weakness	multinodular	264 g	S	-	-
2 [11]	29	m	edema	nodular	735 g	S(R+C)	5Y1M	Liver
3 [11]	60	m	thrombocytopenia	nodular	610 g	S+C	1Y6M	Liver, BM
4 [11]	66	f	edema, anemia	multinodlar	750 g	R+S+C	2Y6M	Liver, BM
5 [12]	71	f	thrombocytopenia	multinodlar	470 g	C	6 M	Hilum LN
6 [13]	82	f	Evans syn,	multinodular	110 g	R	1 M	Liver
7 [14]	58	f	anemia	nodular	800 g	R+S+C	3 M	-
Present case	67		thrombocytopenia	non-nodula	760 g	S	6 M	BM

CC chief complaint, S surgery (splenectomy), R radiation, C chemotherapy, Y year, M month, BM bone marrow, LN lymph node.

ISSN: 1746-1596