A 68 year old male presented to the local general practitioner with complaints of low back ache which is more in the night. The pain was so severe that it interferes his sleep. During evaluation there was a bone lesion in the lumbar spine and biopsy from it is suggestive of blastic skeletal metastasis from an unknown primary. The next best blood test in this patient would be:
Correct Answer: Serum prostatic specific antigen (PSA)
Description: In bone only metastases in men (blastic) check PSA and if elevated treat as prostatic cancer. Elevated serum PSA or tumor staining with PSA may provide confirmatory evidence of prostatic cancer in blastic bone metastasis. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Pages 824-25
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now