Etiology of<unk>  is unknown but has been postulated to be secondary to thrombosis of lymphatic vessels.
Sclerosing lymphangitis
Lymphangitis carcinomatosa
Dermatopathic lymphadenopathy
Eosinophilic cellulitis
Livedoid vasculitis
Tuberculous lymphadenitis
Cutaneous small-vessel vasculitis
Folliculitis