Cysts of other glandular structures
Leiomyoma
Lipoma
Carcinoma  (consider in older women who present with introital mass)
Cellulitis
Hand cellulitis
Facial cellulitis
Orbital cellulitis
Erysipelas
Lymphangitis
Folliculitis
Abscess
Anorectal abscess<unk> 
Scrotal abscess
Necrotizing soft tissue infections
Necrotizing fasciitis
Necrotizing myositis
Necrotizing cellulitis
Fournier's gangrene
Mycobacterium marinum
Hand cellulitis
Facial cellulitis
Orbital cellulitis
Anorectal abscess<unk> 
Scrotal abscess
Necrotizing fasciitis
Necrotizing myositis
Necrotizing cellulitis
Fournier's gangrene
Sporotrichosis
Osteomyelitis
Deep venous thrombosis
Pyomyositis
Purple glove syndrome
Bartholin gland abscess
Cysts of other glandular structures
Facial cellulitis
Leiomyoma
Dental abscess
Lipoma
Ganglion cyst
Carcinoma  