CHORUS
Collaborative Hypertext of Radiology
Multisystem entities
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malignant melanoma
- arise from preexisting nevi; 1% of all cancers
- 30-40% mortality
- metastases: latent period of 2-20 years (most commonly 2-5 years)
- lymphadenopathy
- in 23% with level II + IV (see: staging)
- in 75% with level V
- bone (11-17%)
- often initial manifestation of recurrence; poor prognosis
- axial skeleton (80%); ribs (38%)
- lungs (70% at autopsy)
- most common site of relapse; most common cause of death
- liver (58% at autopsy): may be calcified, necrotic
- spleen (1-5%): solid or cystic
- bowel + mesentery (8%): mostly in small bowel
- kidney (35%); adrenals (50%); subcutis
see: malignant melanoma: gallium imaging
Yong H. Hahn, MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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