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Hemosiderin hyperpigmentation is pigmentation due to deposits of hemosiderin, and occurs in purpura, haemochromatosis, hemorrhagic diseases, and stasis dermatitis. [ 1 ] : 853 See also
Hemosiderin deposition in the lungs is often seen after diffuse alveolar hemorrhage, which occurs in diseases such as Goodpasture's syndrome, granulomatosis with polyangiitis, and idiopathic pulmonary hemosiderosis. Mitral stenosis can also lead to pulmonary hemosiderosis. Hemosiderin collects throughout the body in hemochromatosis.
Hemosiderin or haemosiderin is an iron-storage complex that is composed of partially digested ferritin and lysosomes. The breakdown of heme gives rise to biliverdin and iron. [1] [2] The body then traps the released iron and stores it as hemosiderin in tissues. [3] Hemosiderin is also generated from the abnormal metabolic pathway of ferritin. [3]
Try an in-office treatment. Laser facials and chemical peels containing alpha hydroxy acids are the two main options for in-office treatments. "Nd:YAG lasers and Pico lasers have demonstrated ...
The stain is an important histochemical stain used to demonstrate the distribution and amount of iron deposits in liver tissue, often in the form of a biopsy. [ 6 ] [ 7 ] Perls's procedure may be used to identify excess iron deposits such as hemosiderin deposits ( hemosiderosis ) and in conditions such as hereditary hemochromatosis . [ 8 ]
Stasis dermatitis is diagnosed clinically by assessing the appearance of red plaques on the lower legs and the inner side of the ankle. Stasis dermatitis can resemble a number of other conditions, such as cellulitis and contact dermatitis, and at times needs the use of a duplex ultrasound to confirm the diagnosis or if clinical diagnosis alone is not sufficient.
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[5] [8] [14] Later stages show significant hemosiderin deposition in the stroma, fibrosis, and a collapsed appearance of the arterial lumen. [8] [14] Clinical differential diagnoses include infantile hemangioma, melanocytic lesions, tufted angioma, insect bite, Kaposi sarcoma, erythema multiforme, and dermatofibroma, depending on the stage of ...