NBME 22 Answers ↦
This was in pathoma, he said prostate cancer causes osteoblastic lesions and "the board examiners really want you to know that". also following the potential site of mets helps choose the answer
Also, osteosarcoma is less common in the elderly, more common in males <20 y/o (per F.A 2020)
All primary bone cancer - mc seen in age b/t 20-40 peak at 25.
Prostate adenocarcinoma - mc seen age >50 yr old.
Sometimes instead of osteoblastic they say osteosclerotic that's synonym of Osteoblastic.
For multiple myeloma it's always osteolytic.
Urinalysis provides a microscopic examination of urine, which would tell you about the presence of RBC, WBC, casts, crystals, epithelial cells, and a chemical test for nitrites, bili, urobilinogen, ph, specific gravity, proteins, glucose, blood, and ketones.
PSA is a specific protein that would be found in the blood, and a lab test that would have to be ordered specifically.