[Value of arteriography in the exploration of subungual glomus tumors. Apropos of a case].

Difficulties in the diagnosis of subungual glomus tumors are increased when clinical examination and standard radiographic images are normal. In these cases arteriography is a useful procedure, opacification in the arterial phase of a small vascular lake confirming the diagnosis and localizing the lesion. A case is described that illustrates the interest of this examination, although it is indispensable only in patients with glomus tumors of atypical clinical expression or when symptoms recur after excision.