Glomus Tumors /Glomuvenous Malformations=Rare painful usually solitary purple subungual papule or nodule with in young adults due to benign neoplastic proliferations of glomus cell.

56. Glomus tumor: Blood vessels (big arrow)
surrounded by solid proliferation of round to
cuboidal glomus cells with perfectly round
nuclei and acidophilic cytoplasm (small arrow).

60. Glomangioma
blood vessels
predominate.

61. Glomangioma: typical small, round glomus
cells, often distributed in a monolayer or
bilayer around the vessel walls.

65. Glomus Tumor: Immunohistochemistry for
smooth muscle actin showing diffuse
cytoplasmic positivity

70. Glomus tumor obvious intraoperatively