Case Report
Parotid Oncocytoma as a Manifestation of Birt-Hogg-Dubé Syndrome
Table 2
Imaging features of parotid oncocytoma.
| No. | First author, year | Age/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 |
| 1 | Kasai et al. [10] 2007 | 56/F | Onc | 25 | N/A | Hypo | Hypo | High /Low | Iso | Iso | N/A |
| 2 | Shah et al. [11] 2007 | 76/M | Onc | 20 | Homogeneous | N/A | N/A | N/A | N/A | N/A | Intense FDG uptake |
| 3- 12 | Tan et al. [12] 2010 | 49–74/ 7 female 3 male | Onc | 6–66 | 6 Heterogeneous 4 Homogeneous | N/A | N/A | N/A | N/A | N/A | N/A |
| 13- 21 | Patel et al. [13] 2011 | N/A 6 female 3 male | 8 Onc 1 | 13–34 | N/A | 9 Hypo | N/A | N/A | 8 Iso 1 Hyper | 8 Iso 1 Hyper | N/A |
| 22 | Lindor et al. [8] 2012 | 45/F BHD | Onc | 9 | N/A | Hypo | Hyper | N/A | N/A | N/A | N/A |
| 23 | Sepúlveda et al. [14] 2014 | 67/F | Onc | 73 | Heterogeneous | Iso | N/A | N/A | Hyper | Hyper | N/A |
| 24 | This report Yoshida et al. | 44/F BHD | Clear cell Onc | 35 | N/A | Hypo | Hypo | High /Low | Hyper | Hypo | N/A |
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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. |