Table 1.

Clinicopathological features of metastatic large cell neuroendocrine carcinoma in the skin

Case No.	Age/Gender	Primary organ	Metastatic site	Immunohistochemical characteristics	Reference
1	20/Male	Urinary bladder	Scalp	Synaptophysin (+), CD56 (+), TTF-1 (+)	[9]
2	58/Male	Rectum	Scalp	CD56 (+)	[10]
3	65/Male	Unknown	Head, neck, trunk, and leg	Synaptophysin (+), chromogranin A (+), CD56 (+), TTF-1 (-)	[18]
Present Case	55/Male	Lung	Scalp	Synaptophysin (+), chromogranin A (-), CD56 (+), TTF-1 (-)