
Hemosiderin hyperpigmentation
    
    Encyclopedia
    
        Hemosiderin hyperpigmentation is pigmentation due to deposits of hemosiderin
, and occurs in purpura
, hemochromotosis, hemorrhagic diseases, and stasis dermatitis
.
Hemosiderin
thumb|Hemosiderin image of a kidney viewed under a microscope. The brown areas represent hemosiderinHemosiderin or haemosiderin is an iron-storage complex. It is always found within cells  and appears to be a complex of ferritin, denatured ferritin and other material...
, and occurs in purpura
Purpura
Purpura  is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure. They are caused by bleeding underneath the skin...
, hemochromotosis, hemorrhagic diseases, and stasis dermatitis
Stasis dermatitis
Stasis dermatitis  refers to the skin changes that occur in the leg as a result of "stasis" or blood pooling from insufficient venous return; the alternative name of varicose eczema comes from a common cause of this being varicose veins.Insufficient venous...
.

