Introduction
Case presentation
Discussion
Reference | Age/sex | Location | Size (greatest dimension) | Imaging features | Follow-up |
---|---|---|---|---|---|
Clarençon et al. [2] | 32/F | Fourth ventricle | 2.5cm | MRI: hypointense T1; heterogeneous- hypointense T2; post-contrast enhancement | NA |
Cummings et al. [3] | 52/M | Fourth ventricle | NA | MRI: homogeneous post-contrast enhancement | Autopsy |
Gessi et al. [4] | 63/F | Fourth ventricle | 2cm | MRI: isointense T1; partial post-contrast enhancement | NA |
Kim et al. [5] | 49/F | Fourth ventricle | NA | MRI: dense post-contrast enhancement | No recurrence after one year |
Montano et al. [6] | 61/M | Fourth ventricle | NA | MRI: hypointense T1; iso-hypointense T2; marked post-contrast enhancement | No recurrence after two years |
Sawauchi et al. [7] | 57/M | Fourth ventricle | NA | MRI: low intensity T1; homogeneous post-contrast enhancement | NA |
Tihan et al. [1]* | NA | Lateral ventricle | NA | MRI: low density T1; post-contrast enhancement | NA |
Clarençon et al. [9] | 44/F | Right lateral ventricle | 4.0cm | MRI: hypointense T1; hyperintense T2; thin peripheral enhancement of multiple confluent cysts post-contrast | NA |
Liao et al. [10] | NA | Right lateral ventricle | NA | NA | NA |
Mekni et al. [11] | 40/M | Right lateral ventricle | 3.5cm | NA | No recurrence after three years |
Surendrababu et al. [12] | 55/F | Left lateral ventricle | 5.0cm | NA | No recurrence after one year |
Vassal et al. [13] | 60/F | Left lateral ventricle | 5.0cm | MRI: lobulated mass; homogeneous post-contrast enhancement | No recurrence after two years |
Wright et al. [14] | 11/F | Right lateral ventricle | NA | NA | NA |
Koçak et al. [15] | 63/M | Third ventricle | 2.5cm | MRI: isointense T1 and T2; significant post-contrast enhancement | No recurrence after three and a half years |
Kinfe et al. [16] | 75/F | Foramen of Monro | 2.5cm | CT: Hypointense tumor at the foramina of Monro; homogeneous post-contrast enhancement | No recurrence after one year |
Teranishi et al. [17] | 61/M | Falx cerebri, extended to bilateral lateral ventricles and the third ventricle | NA | MRI: isointense T1; iso-hyperintense T2; heterogeneous post-contrast enhancement | NA |
Present case | 52/M | Fourth ventricle | 4.5cm | Iso-hypointense T1; heterogeneous T2; homogeneous post-contrast enhancement | No recurrence after one year |
Reference | Histologic features | Immunohistochemical features | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Pleomorphism | Mitosis | Necrosis | CD 34 | Bcl-2 | Vimentin | S-100 | EMA | MIB-1 | Reticulin | |
Clarençon et al. [2] | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Cummings et al. [3] | NA | NA | NA | Strong, diffuse +
| Strong, diffuse +
| Strong, diffuse +
|
-
|
-
| NA | NA |
Gessi et al. [4] | NA | Absent | Absent | Strong +
| Strong +
| Strong +
|
-
|
-
| <2% | NA |
Kim et al. [5] | Mild | Rare | NA | Diffuse +
| NA | NA |
-
|
-
| <3% | Outlining of individual cells -
|
Montano et al. [6] | NA | NA | NA |
+
|
+
|
+
|
-
|
-
| <1% | NA |
Sawauchi et al. [7] | NA | NA | NA |
+
| NA |
+
| NA | NA | NA | NA |
Tihan et al. [1]* | NA | NA | NA | Strong +
| NA | Strong +
|
-
|
-
| NA | Overall highlighted only the coarse collagen background |
Clarençon et al. [9] | NA | NA | NA | Strong +
| NA | NA | NA | NA | NA | NA |
Liao et al. [10] | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Mekni et al. [11] | Marked | 5/10 HPF | Focal | Strong +
|
+
| Strong +
| NA | NA | <2% | NA |
Surendrababu et al.[12] | Absent | NA | NA |
+
|
+
|
+
|
-
|
-
| <2% | NA |
Vassal et al. [13] | Absent | Absent | Absent | Diffuse +
| NA | Diffuse +
|
-
|
-
| <2% | NA |
Wright et al. [14] | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Koçak et al. [15] | NA | NA | NA | Focal +
| Diffuse +
| NA |
-
|
-
| 1% | Interlacing reticular fibers +
|
Kinfe et al. [16] | NA | NA | NA | Strong +
| Strong +
| Strong +
|
-
|
-
| <1% | Rich network of reticular fibers |
Teranishi et al. [17] | NA | NA | NA | Strong +
| NA |
+
|
-
|
-
| 5% | NA |
Present case | Absent | Absent | Absent | Strong, diffuse +
| Strong, diffuse +
| Strong, diffuse +
|
-
|
-
| 1% | Reticulin network moderate +; individual cells -
|