Clinicopathological and Immunohistochemical Characterisation of Gastric Schwannomas in 29 Cases

Table 3

Comparison of clinical and pathologic variables between benign and malignant gastric schwannoma.

Variables	Benign schwannoma (𝑛=25)	Malignant schwannoma (𝑛=4)	𝑃 value
Age
<median age	12	2	1.00
≥median age	13	2
Gender
Male	9	2	0.622
Female	16	2
Anatomic location
Gastric antrum	8	2	0.299
Gastric fundus	6	0
Gastric body (lesser curvature)	5	0
Gastric body (greater curvature)	5	2
Cardia	1	0
Tumor size
<median size	13	0	0.107
≥median size	12	4
Ulcer of mucosa	21	3	0.553
Recurrences or metastatic	0	2	0.015
Survival status
Alive with no evidence of disease	18	1	0.021
Died of unrelated causes	6	1
Died of metastasis or recurrent of the primary disease	0	2
Lost to followup	1	0