Metastasis

*Causes of Osteolytic metastasis :
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- Kidney (expansile) and Thyroid : Expansile
lytic osseous metastasis are characteristic of Renal cell carcinoma (kidney) and Thyroid
- Lung
- Gastrointestinal tract (GIT)
- Breast (occasionally)
- Less commonly melanoma , carcinoma of
bronchus and pheochromocytoma may also
present with Expansile lytic lesions.
*Causes of Osteoblastic metastasis :******************
- Prostate
- Breast (may be mixed)
- Seminoma
- Carcinoid
- Neurogenic tumors
- Uterus - Ovary