Although the exact pathogenesis of pyogenic granuloma
is not clearly established, the lesion has been hypothesized to be a reactive process followed by an impaired wound healing response.
Yam et al  proposed that pyogenic granuloma
expressed significantly more VEGF and b FGF than healthy gingiva and periodontium.
(PG) is also called lobular capillary hemangioma by some authors (1).
Clinically, the surface of a pyogenic granuloma
may appear smooth or lobulated, and a progression in color from pink to red to purple occurs over time.
A case of giant nasal pyogenic granuloma
Lobular capillary hemangioma (LCH), also referred to as pyogenic granuloma
, is relatively common in the nasal cavity, accounting for nearly one-third of upper aerodigestive tract LCHs.
Lobular capillary hemangioma: the underlying lesion of pyogenic granuloma
Three cases of pyogenic granuloma
and 1 case of hemangioma resulted in oral-cavity bleeding.
or capillary hemangioma, which pyogenic granuloma
resembles, shows a lobular configuration of granulation tissue sprinkled with inflammatory cells and sprouting capillaries grouped around a parent vessel; these features were not seen in this case.
Clinically, this lesion can be misdiagnosed as mucocele, hemangioma, Kaposi sarcoma, angiosarcoma, pyogenic granuloma
, and several other lesions.
A biopsy was performed and the diagnosis rendered was a pyogenic granuloma
A larynx contact ulcer, also known as a pyogenic granuloma
, is a benign lesion that is most common among adult men.