Table 1. CD171 Expression in 749 Neurogenic and Melanocytic Tumors.

Tumor Type	Positive	/	All	(%)
Non-GI-tract tumors
Schwannoma	74	/	74	100.0
Neuroblastoma	29	/	29	100.0
Paraganglioma	65	/	67	97.0
Merkel cell carcinoma	23	/	27	85.2
Pancreas, neuroendocrine tumor	35	/	42	83.3
Lung, small cell carcinoma	32	/	39	82.1
Olfactory neuroblastoma	6	/	8	75.0
Neurofibroma	28	/	38	73.7
Skin, malignant melanoma	57	/	88	64.8
Brain, glioblastoma	26	/	44	59.1
Malignant peripheral nerve sheath tumor	18	/	57	31.6
Nasal Cavity, malignant melanoma	20	/	65	30.8
Vulva and vagina, malignant melanoma	8	/	27	29.6
GI-tract tumors
Schwannoma, GI-tract	36	/	38	94.7
Primary malignant melanoma, GI-tract	28	/	42	66.7
Metastatic malignant melanoma, GI-tract	37	/	64	57.8

GI: gastrointestinal.