Case Report

Intraventricular Neurilemmoma (Schwannoma): Shall GFAP Immunostaining Be Regarded as a Histogenetical Tag or as a Mere Histomimetical Trait?

Table 1

Intraventricular neurilemmomas case list.

Case numberYearAuthor [reference] (country)Age/genderLocation

11965David et al. [8] (France)15♂Lateral ventricle
21975Ghatak et al. [9] (USA)63♀Lateral ventricle
31975Van Rensburg et al. [10] (South Africa)21♂Lateral ventricle (cornu temporale)
41988Pimentel et al. [11] (Portugal)8♂Lateral ventricle (right)
51990 Ost and Meyer [12] (USA)44♂Lateral ventricle (left; cornu occipitale)
61990Redekop et al. [13] (Canada)7♂4th ventricle
71993Weiner et al. [14] (USA)61♂4th ventricle
81993Weiner et al. [14] (USA)78♀4th ventricle
92001Barbosa et al. [15] (Portugal)13♀Lateral ventricle (atrium)
102002Estrada et al. [16] (Mexico)36♀4th ventricle
112003Erdogan et al. [17] (Turkey)21♂Lateral ventricle
122004Dow et al. [18] (UK)16♂Lateral ventricle (right; atrium)
132006Messing-Jünger et al. [19] (Germany)21♀3rd ventricle
142007Lévêque et al. [20] (Belgium)16♂Lateral ventricle (right)
152008Benedict et al. [21] (USA)15♂Lateral ventricle (right; cornu occipitale)
162009Oertel et al. [22] (Germany)71♀4th ventricle (  variant)
172009De Vasconcellos et al. [7] (Brazil)21♀Lateral ventricle (left; atrium)
182010Martin et al. [23] (Czech Republic)70♀3rd ventricle
192011Hodges et al. [6] (USA)69♂4th ventricle
202012Kachhara et al. [24] (India)30♂4th ventricle
212013Chen et al. [25] (China)53♀4th ventricle
222013Luo et al. [4] (China)24♂Lateral ventricle (right)
232013Jaimovich et al. [26] (Argentina)16♂Lateral ventricle (right; cornu occipitale)
242013Alberione et al. [27] (Argentina)41♀Lateral ventricle (right; cornu occipitale)
252015Li et al. [28] (China)23♂3rd ventricle
262015Glikstein et al. [29] (Canada)34♂Lateral ventricle (left)
272015Currán-Meléndez et al. [3] (USA)20♂Lateral ventricle (right; atrium)
282016Abdolhosseinpour et al. [5] (Iran)9♂Lateral ventricle (left; atrium)
292016Present Case (Mexico)16♂Lateral ventricle (left; cornu occipitale)

Statistical summary
Adults: 19 (65.5%) paediatric: 10 (34.5%) mean age: 32 y
Male: 19 (65.5%) female 10 (34.5%)
Age range: 7 y to 78 y
Lateral ventricles: 18 (62%) 3rd ventricle: 3 (10.3%) 4th ventricle: 8 (27.6%)

♂: male, ♀: female, y: years.
Special histopathological variant.