The glomus tumor is an uncommon lesion that usually presents characteristic diagnostic features.
A case is presented in which the lesion was invisible to clinical examination. Cure followed excision of a typical glomus tumor.
Sibulkin D, Healey WV. Invisible Glomus Tumor. Arch Surg. 1974;109(1):111-112. doi:10.1001/archsurg.1974.01360010085020