<prompt> 70 years old male presents with signs of obstructive uropathy with sever continuous pain in back region. Following is the X ray of patients lumbar spine. What is the most possible pathology patient is suffering from? -Prostate carcinomaBenign prostatic hyperplasiaProstatitisHydronephrosis  <response>: Ans. is a i.e., Prostate carcinoma 70 years old male presents with signs of obstructive uropathy - Benign prostatic hypertrophy or carcinoma prostate. With sever continuous pain in back region - most probably secondary to metastases from prostate carcinoma as pain is continuous. These metastases are typically to lumber vertebrae and osteoblastic in nature. 