18-Fluoro-deoxyglucose uptake in inflammatory hepatic adenoma: A case report

Table 1 Classification of hepatocellular adenomas

HCA subtype	Abbreviation	Proportion	Markers	Malignant transformation
HNF1α inactivated	H-HCA	35%-40%	LFABP	Rare
β-catenin activated	β-HCA	10%	β-catenin+/GS+ activated	Yes
Inflammatory	I-HCA	50%	CRP+	No
Unclassified	U-HCA	5%	None	No

HCA: Hepatocellular adenoma.

Table 2 Cases of 18-fluoro-deoxyglucose-avid hepatocellular adenomas reported in literature

Ref.	Gender	Age (yr)	Size (mm)	SUVmax	Diagnosis
[7]	Female	41	10	NA	HCA
[8]	Female	37	33	5	H-HCA
[9]	NA	44	30	6.2	HCA
[10]	Female	52	NA	4.09-9.8	Hepatic adenomatosis
[11]	Female	65	30	NA	Necrotic HCA
[12]	Male	69	40	10.4	H-HCA
[13]	4 cases	NA	73 ± 15	6 ± 0.5	HCA
[14]	Female	34	20-30	3.9	HCA
[15]	Male	73	25	11.9	Fatty liver
[16]	Female	44	23	7.9	H-HCA
[17]	9 cases	49 ± 16	27 ± 15	8.2 ± 4.3	H-HCA
This case	Female	38	50	9.3	I-HCA

HCA: Hepatocellular adenoma; ¹⁸FDG: 18-fluoro-deoxyglucose; H-HCA: HNF1α inactivated HCA; I-HCA: Inflammatory HCA; NA: Not available.