Fig. 1Ultrasonography shows three hypoechoic nodules measuring 2 cm, 1.4 cm, and 0.9 cm in the wall of hydrocele sac (arrows).
Fig. 2Tumor mass in the tunica vaginalis is composed of multiple branching, papillary structures with a fibrovascular core.
Fig. 3Papillary structures are lined by bland-looking cuboidal epithelium.
Fig. 4A focal area of coagulative necrosis is present in the tumor.
Fig. 5Mesothelial cells show diffuse calretinin positivity in the tumor.
Table 1.The review of paratesticular WDPM cases in the literature
Author |
Age (yr) |
Presentation |
Location |
Focality |
Size |
Follow-up |
Asbestosis |
SV40 |
Chetty [3] |
18 |
Hydrocele |
NA |
Multifocal |
1 cm |
1 yr |
- |
NA |
Fujii et al. [11] |
56 |
Hydrocele |
Left |
Solitary |
15 mm |
10 yr |
- |
NA |
Xiao et al. [1] |
69 |
Hydrocele |
Right |
Solitary |
1.5 cm |
3 yr |
- |
- |
Butnor et al. [7] |
32 |
Hydrocele |
NA |
NA |
NA |
2 yr |
Family contact |
NA |
Tolhurst et al. [2] |
35 |
Hydrocele |
Right |
Multifocal |
9 mm |
NA |
NA |
NA |
Cabay et al. [4] |
52 |
Hydrocele |
Right |
Solitary |
2 cm |
3 mo |
+ |
NA |
Fukunaga [5] |
70 |
Hydrocele |
Right |
Solitary |
1.2 cm |
18 mo |
- |
NA |
Chollet et al. [10] |
18 |
Hydrocele |
Left |
Solitary |
NA |
18 mo |
NA |
NA |
Brimo et al. [8] (8 cases) |
52.5 (mean) |
7/8 hydrocele |
NA |
6/8 solitary |
Mean 1 cm |
3 yr |
NA |
NA |
|
|
1/8 mass |
|
1/8 multifocal |
|
3 yr |
|
|
|
|
|
|
1/8 plaque |
|
1.5 yr |
|
|
|
|
|
|
|
|
1.5 yr |
|
|
|
|
|
|
|
|
2 mo |
|
|
Trpkov et al. [6] |
57 |
Hydrocele |
NA |
Multifocal |
1.5 cm |
6 yr |
_ |
NA |
Present case |
48 |
Hydrocele |
Left |
Multifocal |
2 cm |
3 yr |
- |
- |