I have a small lump after having a Vasectomy 2 weeks ago. Will it go away on its own or should i see a doctor?

The lump is not painful.

Answers from doctors (6)


More About Doctor John C. McHugh, MD

Published on Mar 12, 2019

This is the area of the vasectomy site under the skin. If you carefully feel the other side, you'll probably feel another one. It is called a sperm granuloma, which is the body's reaction to the trauma of the procedure. It probably will not go completely away but may decrease in size. I would see your doctor if there is redness, an increase in size or if the area becomes painful. If you Google "sperm granuloma" there is a lot of information about this common condition.

Answered by John C. McHugh, MD (View Profile)

This is the area of the vasectomy site under the skin. If you carefully feel the other side, you'll probably feel another one. It is called a sperm granuloma, which is the body's reaction to the trauma of the procedure. It probably will not go completely away but may decrease in size. I would see your doctor if there is redness, an increase in size or if the area becomes painful. If you Google "sperm granuloma" there is a lot of information about this common condition.

Published on Jul 11, 2012


Michael J. Karasis, MD

Published on Jul 28, 2015

this is most likely forming scar tissue and is natural but if it bothers you in any way you should have your urologist take a look at it.

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Answered by Michael J. Karasis, MD

this is most likely forming scar tissue and is natural but if it bothers you in any way you should have your urologist take a look at it.

Published on Jul 11, 2012


George Suarez, MD, FACS, FAAP

Published on Jul 28, 2015

It will go away with time. Try icing it for 24 hours.

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Answered by George Suarez, MD, FACS, FAAP

It will go away with time. Try icing it for 24 hours.

Published on Jul 11, 2012


A small lump after a vasectomy is usually just a small cyst or spermatocele (collection of sperm in the vas deferens). As long as there is no pain, swelling, redness, or warmth, I would not worry about it too much.

Answered by Peter Mattar, MD, M.P.H., FAAFP (View Profile)

A small lump after a vasectomy is usually just a small cyst or spermatocele (collection of sperm in the vas deferens). As long as there is no pain, swelling, redness, or warmth, I would not worry about it too much.

Published on Jul 11, 2012


Harris M. Nagler, MD, FACS

Published on Jul 28, 2015

This is not uncommon and should not be of concern. However, if it is red, hot or painful you should see your physician.

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Answered by Harris M. Nagler, MD, FACS

This is not uncommon and should not be of concern. However, if it is red, hot or painful you should see your physician.

Published on Jul 11, 2012


Stephen F. Shaban, MD

Published on Jul 28, 2015

Small lump at vas site are common.
It might go away after 4-12 weeks.

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Answered by Stephen F. Shaban, MD

Small lump at vas site are common.
It might go away after 4-12 weeks.

Published on Jul 11, 2012


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