Thrombocytopenia with multiple splenic lesions - histiocytic sarcoma of the spleen without splenomegaly: A case report

Table 1 Comparison of main clinical features among the reported cases with primary splenic histiocytic sarcoma (including our case)

Case [Ref.]	Age (yr)/Sex	Chief complaint	Imaging	Weight of spleen	Treatment	Survival	Metastasis
1[6]	38/male	Weakness	Multinodular	264 g	S	-	-
2[2]	29/male	Edema	Nodular	735 g	S (R+C)	5 Yr 1 Mo	Liver
3[2]	60/male	Thrombocytopenia	Nodular	610 g	S+C	1 Yr 6 Mo	Liver, BM
4[2]	66/female	Edema, anemia	Multinodular	750 g	R+S+C	2 Yr 6 Mo	Liver, BM
5[15]	71/female	Thrombocytopenia	Multinodular	470 g	C	6 Mo	Hilum LN
6[16]	82/female	Evans syn	Multinodular	110 g	R	1 Mo	Liver
7[17]	58/female	Anemia	Nodular	800 g	R+S+C	3 Mo	-
8[18]	67/female	Thrombocytopenia	Non-nodular	760 g	S	6 Mo	BM
9[19]	81/female	Anemia, thrombocytopenia	Multinodular	236 g	S	5 Mo	Liver
10	40/female	Thrombocytopenia	Multinodular	110.1 g	S	-	BM

S: Surgery (splenectomy); R: Radiation; C: Chemotherapy; BM: Bone marrow; LN: Lymph node.