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What Does Small Black Spot On Kidney Represent In A MRI Report?

Posted on Mon, 10 Feb 2014

Question: Man 50 yrs old. Type 2 Diabetes diagnosed two years ago. Normal weight 245 lbs 6'1" height. Recent labs = normal except PSA went from 4.1 10/2013 to 5.8 12/2013 MRI was normal except small black spot on one kidney. Urologist said its too small to biopsy. Recheck in 4 months. 10/2013 couldn't urinate. Had catheter for 5 weeks. Catheter was removed. Urinates fine now but still taking Flomax daily. Enlarged prostate. Exam resulted in soft and squishy. Weight down to 195 lbs & still losing. Eating heavily. Glucose levels remain stable 120 -150. Urologist hasn't given us any diagnosis whatsoever. Was told to come back in 4 months. We are getting a,second opinion. Please give me your opinion of diagnosis possibilities based on the above information and your expertise. Thank you in advance for your assistance

Answered by Dr. Indu Kumar (1 hour later)

Brief Answer: It may be due to adenoma,fibroma,cyst,cancer etc Detailed Answer: Hello XXXX Thanks for writing to XXXXXXX Findings in your kidney may be due to many reasons.Some times exact nature of disease can't be assessed by imaging alone so follow up is advised in your case to see any increase in size with time.Exact nature can be determined by biopsy but it is not possible in your case due to small size. Lesion may be due to many reasons like mass,blood vessel abnormality,abscess etc.Mass may be due to adenoma,fibroma,cyst,cancer etc. It is important to know about associated pain,hematuria,duration of problem etc. You are 50 years old,so mass should be ruled out and it is possible by follow up imaging after four months. You are getting right medicines for enlarged prostate.You should take it regularly. Diabetes mellitus should also be kept in controlled level. Get well soon. Hope i have answered your query. Further queries are most welcome. Take Care Dr.Indu XXXXXXX

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Indu Kumar (3 minutes later)

Would the other possibilities beside cancer typicallycause the drastic weight loss?

Answered by Dr. Indu Kumar (12 hours later)

Brief Answer: Please find detail answer below. Detailed Answer: Hello XXXX Thanks for writing back Drastic weight loss may occur without any underlying disease. However besides cancer there are conditions like hyperthyroidism,depression,anorexia nervosa,uncontrolled diabetes mellitus,liver and kidney failure etc may cause drastic loss in weight. Hope i have answered your query. Further queries are most welcome. Take Care Dr.Indu XXXXXXX

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar