Penis Flatulence after Prostatectomy?

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New Member

Date Joined Dec 2009
Total Posts : 6
   Posted 1/20/2010 1:42 PM (GMT -6)   

I had prostate surgery in November 2009 and I have been healing quite well. My continence is gradually improving every day and I am quite often dry upon waking and throughout the day. Recently though I had a very disconcerting experience when I went to the bathroom. While urinating my penis made a "farting" sound accompanied by a sensation of vibration (similar to letting go of a balloon full of air). There is no pain associated with this, a recent urinalysis was normal and the urine itself is clear. Is this common after prostate surgery? Is it related to the foreskin (I am uncircumsized) or the nerves coming back? Thank you for any information!!


Veteran Member

Date Joined Sep 2009
Total Posts : 3172
   Posted 1/20/2010 2:17 PM (GMT -6)   
I'm no doctor, but could say with confidence it has absolutely nothing with nerves coming back. Related to foreskin...I dunno, but not in a way also related to PC. I can't in fact, think of anything from your surgery in November that would cause this. Did it just happen once? If so, maybe it slipped out from the other end?? ;-) If it was one-time and from what you described, I wouldn't worry.

Worried Guy
Veteran Member

Date Joined Jul 2009
Total Posts : 3741
   Posted 1/20/2010 3:09 PM (GMT -6)   
about 30 years ago I had a urethral stricture that would vibrate-buzz every time I peed. It actually felt kind of nice. The Uro went in from the front and cut out a piece of scar tissue (most likely from bicycle riding). Problem solved. I miss it...
DX Age 56. First routine PSA test on April 8th: 17.8. Start 2 weeks of Cipro to rule out protatitis.
May PSA: 22.6, 3 weeks later: PSA: 23.2.
Biopsy 6/10/09: 7/12 scores positive, Gleason 6=3+3. Bone scan and C/T scan negative.
RP DaVinci -7/21/2009 @ Univ of Roch Medical Center
Left nerve gone, right partial spared.
Catheter removed - 7/31/2009 Pathology report received:
Gleason 3+4=7, Tumor size: 2.5 x 1.8 cm, location: both lobes and apex.
Extraprostatic extension present; Perineural invasion: present, extensive.
No Malignancy in Seminal Vesicle, vasa deferentia, lymph nodes 0/13
Prostate mass 56 grams. Pathologic Stage: pT3aN0MX
Post Surgery Status:
Potency - 12/11 5 months, Still no activity, zip. Using pump daily since 11/11. No effect with 20 mg of Cialis or 100 mg of Viagra. Shots next? See Uro 1/20/10
Incontinence - 8/20 4 full pads per day
.. 9/7 3-4 full pads per day (Try cutting down on fluids. Bad idea. I know.)
11/14 4 months: Still 3 pads per day. 420ml/day, 91 um leak.
12/11 5 months: Still 3 pads per day. 400-450ml/day
1/11/10 6 months: Still 3 pads but leak is now 320 ml (5 day avg.)
Post Surgery PSA - 9/3 6 weeks - 0.05; 10/13 3 months - 0.04 undetectable.

Veteran Member

Date Joined May 2009
Total Posts : 2692
   Posted 1/20/2010 3:27 PM (GMT -6)   
We have a guy on here 4 months or so ago that described penis farts. I would say a trip to uro is appropriate if that is what it is.

Age 58, PSA 4.47 Biopsy - 2/12 cores , Gleason 4 + 5 = 9
Da Vinci, Cleveland Clinic  4/14/09   Nerves spared, but carved up a little.
0/23 lymph nodes involved  pT3a NO MX
Catheter and 2 stints in ureters for 2 weeks .
Neg Margins, bladder neck negative
Living the Good Life, cancer free  6 week PSA  <.03
3 month PSA <.01 (different lab)
5 month PSA <.03 (undetectable)
6 Month PSA <.01
1 pad a day, no progress on ED.  Trimix injection
No pads, 1/1/10

Veteran Member

Date Joined Feb 2008
Total Posts : 1858
   Posted 1/20/2010 3:57 PM (GMT -6)   
Hey Survivor,
Goodlife's memory is correct. If I remember rightly in that member's case it turned out to be a fistula (small hole between the bladder and rectum). I would not delay in having it investigated further.
1/05 PSA----2.9 3/06-----3.2 3/07-------4.1 5/07------3.9 All negative DREs
Aged 59 when diagnosed
Biopsy 6/07
4 of 10 cores positive for Adenocarcinoma-------bummer!
Core 1 <5%, core 2----50%, core 3----60%, core 4----50%
Biopsy Pathologist's comment:
Gleason 4+3=7 (80% grade 4) Stage T2c
Neither extracapsular nor perineural invasion is identified
CT scan and Bone scan show no evidence of metastases
Da Vinci RP Aug 10th 2007
Post-op pathology:
Positive for perineural invasion and 1 small focal extension
Negative at surgical margins, negative node and negative vesicle involvement
Some 4+4=8 identified ........upgraded to Gleason 8
PSA Oct 07 <0.1 undetectable
PSA Jan 08 <0.1 undetectable
PSA April 08 <0.001 undetectable (disregarded due to lab "misreporting")
PSA August 08 <0.001 undetectable (disregarded due to lab "misreporting")
Post-op pathology rechecked by new lab:
Gleason downgraded to 4+3=7
Focal extension comprised of grade 3 cells
PSA September 08 <0.01 (new lab)
PSA February 09 <0.01
PSA August 09 (2 year mark), <0.01
PSA December 09 <0.01

My Journey:

Veteran Member

Date Joined Dec 2008
Total Posts : 818
   Posted 1/20/2010 4:08 PM (GMT -6)   
Hmm, I don't recall the other guy, but if it is a fistula between the bladder and rectum, then a lot worse stuff than gas might get though. Which could cause a nasty infection. But as long as you catch it soon, you should be OK. Call the doc's office and describe it.
Diagnosis at age 53. PSA 2007 about 2; PSA 2008 4.3
Biopsy September 2008: 6 of 12 cores positive; Gleason 4+3 = 7
CT and Bone scan negative
Da Vinci surgery at City of Hope December 8, 2008
Radical prostatectomy and lymph node dissection
Catheter out on 7th day, replaced on 8th day, out again 14th day following negative cystogram
Pathology: pT2c; lymph nodes negative; margins involved; 41 grams, 8% involved by tumor; same Gleason 4+3=7
PSA 1/22/08 non-detectable! 8-)
4/23/09, 07/30/09, Oct 2009 still undetectable!

Veteran Member

Date Joined Aug 2009
Total Posts : 669
   Posted 1/20/2010 5:01 PM (GMT -6)   
Just to relay my experience - when I first got the catheter out after my Robotic Prostatectomy, I had the experience you referred to. I assumed there was air in the bladder after the catheter removal and thought nothing more of it. It went away very quickly. If you are seeing this persist, I'd vote with others and get in to have it checked out soon - can't be too cautious when it comes to potential infections.

James C.
Veteran Member

Date Joined Aug 2007
Total Posts : 4463
   Posted 1/20/2010 5:05 PM (GMT -6)   
IF you do go to the doc, and I will join the others in suggesting you do, you can steer him to the ikelhood of a fistule connecting the bladder and the colon. While not common, it does occur and can be the cause of your gas. I'd suspect most docs would just brush off the question, if you complain of the gas, without emphasising the possibility of looking for the breach between the bladder and colon.
James C. Age 62
Co-Moderator- Prostate Cancer Forum
4/07 PSA 7.6, referred to Urologist, recheck 6.7
7/07 Biopsy: 3 of 16 PCa, 5% involved, left lobe, GS 3/3=6
9/07 Nerve sparing open RRP 110gms.- Path Report: GS 3+3=6 Stg. pT2c, 110gms, margins clear
24 mts: PSA's: .04 each test since surgery, ED Continues-Bimix .3ml PRN or Trimix .15ml PRN

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