<unk>  is a physical examination technique useful in differentiating glomus tumors and hemangiopericytomas from other masses with a similar appearance. It was first described by DH<unk> , in 1970.
Hildreth's sign
Trethowan's sign
Dahl's sign
Bancroft's sign
Adson's sign
Hegar's sign
Salus's sign
Fothergill's sign