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What causes small cortical cyst in left kidney?

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Posted on Wed, 20 May 2015
Question: Hi, I just got my MRI report and it says there is a 7mm cortical cyst in the lower pole of left kidney (family DR. didn't mention anything to me). I have constant pain in my left lower back no matter what I am doing, lying down, standing. walking. it is hard to do anything for a long period of time. I also have excessive sweating pain in lower pelvis, nausea, dizziness. Could this be caused by the cyst on my kidney?
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Answered by Dr. Indu Kumar (3 hours later)
Brief Answer:
Your symptoms are most likely not related to renal cyst.

Detailed Answer:
Hello

Your symptoms are most likely not related to renal cyst.
Findings suggest small cortical cyst in left kidney.This is a benign finding and generally it doesn't require any treatment.These are age rated developmental cysts and these are generally asymptomatic.

Lower backache may be due to some other reasons.As many investigations has been done and these are negative.I suggest you to evaluate for arthritis.Many cases of arthritis,patient present with backache and MRI etc are normal.
You may need X-ray of both hands,X-ray both SI joint(prone position) and few blood tests for arthritis.You also need clinical evaluation by a rheumatologist.
Treatment depend upon findings.

Get well soon.
Hope I have answered your question.
Further queries are most welcome.

Take Care
Dr.Indu XXXXXXX
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Dr. Indu Kumar

Radiologist

Practicing since :2004

Answered : 6727 Questions

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What causes small cortical cyst in left kidney?

Brief Answer: Your symptoms are most likely not related to renal cyst. Detailed Answer: Hello Your symptoms are most likely not related to renal cyst. Findings suggest small cortical cyst in left kidney.This is a benign finding and generally it doesn't require any treatment.These are age rated developmental cysts and these are generally asymptomatic. Lower backache may be due to some other reasons.As many investigations has been done and these are negative.I suggest you to evaluate for arthritis.Many cases of arthritis,patient present with backache and MRI etc are normal. You may need X-ray of both hands,X-ray both SI joint(prone position) and few blood tests for arthritis.You also need clinical evaluation by a rheumatologist. Treatment depend upon findings. Get well soon. Hope I have answered your question. Further queries are most welcome. Take Care Dr.Indu XXXXXXX