Importance of NAB2-STAT6 Fusion in the Diagnosis of Pancreatic Solitary Fibrous Tumor with Hamartoma-Like Features: A Case Report and Review of the Literature

Table 1

Clinicopathological comparison between solitary fibrous tumors and pancreatic hamartomas.

	SFT ()	Hamartoma ()	Present case
Age (mean)	41–78 (51.8)	0–78 (45.8)	82
Male/female	2/9	15/14	M
Size (cm) (mean)	2.0–18.5 (8.0)	1.0–14 (4.5)	2.1
Cystic change	0/4 (NE 7)	21/26 (NE 3)	(−)
Entrapped acini	6/7 (NE 4)	26/26 (NE 3)	(+)
Lack of islet	2/4 (NE 7)	15/21 (NE 8)	(+)
CD34	11/11	15/16 (NE 13)	(+)
CD99	6/7 (NE 4)	NE 29	(+)
bcl-2	8/8 (NE 3)	2/5 (NE 24)	(+)

SFT: pancreatic solitary fibrous tumor; NE: not examined.