Metastatic Cerebellar Gastrointestinal Stromal Tumor with Obstructive Hydrocephalus Arising from the Small Intestine: A Case Report and Review of the Literature

Figure 3

Microscopic photograph showing spindle-shaped cells with moderate cellularity crowded into bundles (hematoxylin and eosin stain, ×20) (a). Immunohistochemical studies reveal that tumor cells are positive for c-kit (b), CD34 (c), and α-smooth muscle actin (d) (×20).

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(b)

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