Lymphangiosarcoma

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**Lymphangiosarcoma**
*Classification & external resources*
ICD-O:	9170/3
DiseasesDB	29095

Lymphangiosarcoma is a rare malignant tumor which occurs in long-standing cases of Primary or Secondary Lymphedema. It involves either the upper or lower lymphedemateous extremities but is most common in upper extremities.

The sarcoma first appears as a bruise mark, a purplish discolorization or a tender skin nodule in the extremity, typically on the anterior surface. It progresses to an ulcer with crusting, and finally to an extensive necrosis involving the skin and subcutaneous tissue. It metastasizes quickly.