Improving recognition of hepatic perivascular epithelioid cell tumor: Case report and literature review

Table 1 The year reported, location, size, age, sex, clinical symptoms, and imaging findings of 33 cases of hepatic perivascular epithelioid cell tumor

Year reported	Reference	Authors	Age (yr)	Sex	Size (cm)	Location	Clinical symptoms	Detail of imaging findings	Country	Vessels in lesion
2014	our case		58	M	4.5	Lateral segment	abdominal bloating	HCC pattern	Asian	Yes
2014	[6]	Bergamo et al	31	F	10.0	Right lobe	vomiting and gastric reflux	early enhancement only	Asian
2014	[7]	Zhang et al	63	F	3.5	S5	None	HCC pattern	European
2013	[8]	Khaja et al	51	F	4.0	S4	None	HCC pattern	Other
2013	[9]	Tay et al	51	F	9.0	S2/3	appetite loss	HCC pattern	Asian	Yes
2013	[10]	Liu et al	25	F	5.5	S7	None	early enhancement only	Asian
2013	[11]	Shen et al	55	M	1.5	S6	None	HCC pattern	Asian
2013	[12]	Jafari et al	53	F	7.5	Lateral segment	epigastralgia	HCC pattern	European
2013	[13]	Cheung et al	53	F	10.0	Right lobe	abdominal discomfort	HCC pattern	Asian
2013	[14]	Zhao et al	58	M	7.6	S6	abdominal distention	HCC pattern	Asian
2013	[15]	Yu et al	41	F	2.2	S6	abdominal pain and vomiting	HCC pattern	Asian
2012	[16]	Tan et al	38	F	4.0	Right lobe(S8)	3 patients; colic pain or abdominal discomfort	HCC pattern	Asian
2012			34	F	4.3	Right lobe(S8)		None	Asian
2012			49	F	2.5	Left lobe		None	Asian
2012			75	F	8.0	Right lobe		None	Asian
2012			33	F	2.5	Right lobe		None	Asian
2012			71	M	None	Right lobe		None	Asian
2012			41	F	multiple	Left lobe		non early enhancement-gradual enhancement	Asian
2012	[17]	Durczyński, et al	18	F	15.0	Left lobe	Unknown	None	European
2011	[18]	Ahn et al	36	F	7.0	Left lobe	(tumor palpable)	HCC pattern	Asian
2009	[19]	Akitake et al	36	F	3.5	S2	None	HCC pattern	Asian
2009	[20]	Strzelczyk et al	57	F	20.0	Right lobe	abdominal pain and vomiting	non-contrast CT	European
2009	[21]	Sánchez Pérez et al	32	F	5.5	S7	None	no early enhancement	European
2009	[22]	Priola et al	36	F	11.0	Left lobe	abdominal pain	hemorrhage	European
2009	[23]	Patra et al	50	F	15.0	Right lobe	abdominal pain	early-gradual enhancement	Asian
2008	[24]	Della Vigna et al	46	F	3.5	S3	None	HCC pattern	European
2008	[25]	Paiva et al	51	F	0.8	Left lobe	None	None	Other
2008	[26]	Zimmermann et al	53	M	8.6	Right lobe	abdominal pain	None	Other
2007	[27]	Larbcharoensub et al	31	F	1.8	S8	abdominal pain	HCC pattern	Asian
2007	[28]	Fang et al	56	F	5.1	S4	abdominal distention	enhancement in the portal phase	Asian
2007			63	F	8.0	S1	None	HCC pattern and late enhancement	Asian
2007	[29]	Svajdler et al	55	F	3.5	S4	None	HCC pattern	European
2006	[30]	Parfitt et al	60	F	14.0	Right lobe	abdominal discomfort and pain	None	Other

HCC: Hepatocellular carcinoma; CT: Computed tomography.