Also known as<unk>  mucous cyst or<unk>  pseudocyst
Benign collection of gelatinous material, from degeneration of connective tissue
Typically affects DIP joint, with swelling over distal phalanx
Digital Mixoid Cyst
Bed bugs
Ganglion cyst
Closed fist infection 
Pilonidal cyst
Digital Mixoid Cyst 
Bartholin gland abscess
Hand cellulitis