Case Report

Parotid Oncocytoma as a Manifestation of Birt-Hogg-Dubé Syndrome

Table 2

Imaging features of parotid oncocytoma.

No.First author, yearAge/Sex
BHD or not
Pathology Size
(mm)
CT
enhancement
MRI
T1WI
MRI
T2WI
MRI
DWI/ADC
MRI
T2WI FS
MRI
T1WI CE FS
FDG-
PET

1Kasai et al. [10]
2007
56/FOnc25N/AHypoHypoHigh
/Low
IsoIsoN/A

2Shah et al. [11]
2007
76/MOnc20HomogeneousN/AN/AN/AN/AN/AIntense FDG uptake

3-
12
Tan et al. [12]
2010
49–74/
7 female
3 male
Onc6–666 Heterogeneous
4 Homogeneous
N/AN/AN/AN/AN/AN/A

13-
21
Patel et al. [13]
2011
N/A
6 female
3 male
8 Onc
1
13–34N/A9 HypoN/AN/A8 Iso
1 Hyper
8 Iso
1 Hyper
N/A

22Lindor et al. [8]
2012
45/F
BHD
Onc9N/AHypoHyperN/AN/AN/AN/A

23Sepúlveda et al. [14]
2014
67/FOnc73HeterogeneousIsoN/AN/AHyperHyperN/A

24This report
Yoshida et al.
44/F
BHD
Clear cell
Onc
35N/AHypoHypoHigh
/Low
HyperHypoN/A

M: male; F: female; Hypo: hypointense; Iso: isointense; Hyper: hyperintense; N/A: not available; T1WI: T1-weighted imaging; T2WI: T2-weighted imaging; DWI: diffusion-weighted images; ADC: apparent diffusion coefficient; T2WI FS: T2-weighted imaging with fat saturation; T1WI CE FS: postcontrast T1-weighted imaging with fat saturation; FDG-PET: 18F-fluorodeoxyglucose positron emission tomography; Onc: oncocytes. Mixed oncocytoma/pleomorphic adenoma.