Neha Bansal
Cellulitis - Introduction
Definition of cellulitis: It is acute suppurative inflammation of the connective tissue layer in the subcutaneous tissues. (1) It is painful and erythematous with poorly demarcated borders. (2)

Age groups affected: Cellulitis is more common in the elderly and immunocompromised patients, especially diabetics (2). However, it is increasingly being observed in the neonates and small children. A previously broken skin (due to trauma, surgical wound, previous fungal infections, IV Catheters or ulcers) predisposes to the infection

Most common organisms implicated are Staphylococcus aureus, Streptococcus pyogenes, hemophilus influenza type b, Prevotella spp, B fragilis group and Clostridium species.(3,4)However usually infection is polymicrobial that includes anaerobic bacteria and isolation of a single organism is often not possible.(2)Hib is most common cause of periorbital and orbital cellulitis. (4)

Cellulitis Cellulitis 01/15/2013
Cellulitis - Clinical Features >>
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