A pyogenic granuloma may occur under and adjacent to a nail.
On clinical exam there is a reddish subungual pr periungual mass that may bleed or be painful.
Biopsy of the mass shows a benign hemangioma with variable low-grade inflammation.
Drug therapy associated with periungual or subungual pyogenic granuloma:
(1) paclitaxel or docetaxel
(2) rituximab
(3) isotretinoin
(4) levothyroxine
(5) anti-TNF alpha
(6) mitozantrone
(7) imatinib
Other causes may include:
(1) pregnancy
(2) trauma
Differential diagnosis:
(1) subungual exostosis
(2) subungual glomus tumor
(3) subungual melanoma
(4) subungual squamous cell carcinoma
(5) subungual fibroma
