Suspect metastatic malignancy in an elderly patient with progressive and constant back pain that is worse at night and unrelieved by rest + history of weight loss.
Blastic lesions : Prostate and Breast CA
Lytic lesions: Lung, renal, breast, thyroid, multiple myeloma
Dx
Best initial = Plain X-rays
Bone scan is most sensitive in early disease (however, it is not helpful in purely lytic lesion like MM)
MRI is the best
Spinal cord compression
involvement of the spine is
Malignant pericardial and pleural effusion
Chest pain in pericardial effusion is usually relieved by leaning forward