Collagen Granulomas - lumps mainly under saddle area

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bounce

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Has anyone had any success in treating Collagen Granulomas. My vet has started injecting steroids into them as this year they have multiplied and become rather large. Due to the proximity of them surgery is very unlikely.

If anyone has any thoughts on what causes them I'd be very interested. Currently my thoughts are sweat related or possibly midges. But I am wondering about feed intolerance as well as I introduced linseed at the same time they began appearing so have cut that out for now but would have thought linseed would be fairly unlikely.
 
What is your saddle stuffed with? I had a fellow livery whose horse was unrideable with them until they swapped him to a latex panel (no possibility of lumps) and a wool lined saddle cloth. (Used to be sold as a 'medical' numnah). I've always believed them to be saddle related because they usually occur under the saddle.
 
My saddle is Cair so not flocked. The lumps only appear at this time of year and then take all year to decrease. Saddle is good fit and the lumps also appear in other locations such as quarters, behind girth, on shoulder so not saddle fit related. Saddle pressure may cause them to increase in size but definitely not the cause. I'm using lambswool numnahs, although just before they reappeared I used an anti slip numnah which I will not be using again just in case.
 
bounce said:
My saddle is Cair so not flocked. The lumps only appear at this time of year and then take all year to decrease. Saddle is good fit and the lumps also appear in other locations such as quarters, behind girth, on shoulder so not saddle fit related. Saddle pressure may cause them to increase in size but definitely not the cause. I'm using lambswool numnahs, although just before they reappeared I used an anti slip numnah which I will not be using again just in case.
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Totally different then, if he gets them all over. I'd be suspecting a winter allergy to food which build up over time and starts to really show around this time? Or sweat, as you say. Is he clipped out? If not, I would, and then maybe a exclusion diet? Sorry I can't help more, is not something I have any experience of myself.
 
My horse came with some bumps under his saddle and vet thought they were collagen granulomas. She told me to wash his saddle patch with warm water and malaseb every time he got remotely warm and they've all gone. So no idea what they were. Probably not much help!!
 
My horse had one under his saddle. Saddler came out and checked the fit of his saddle and it turned out to be the very nice new numnah I had bought and been using. It was too thick and was tipping his saddle back causing a pressure area and caused the lump. I stopped using it and gave him a few days off and it cleared up and went. Vet came out at the time but no treatment was thought to be helpful. Surgical removal was an option but not a very practical one.
 
Mine has them (along with sarcoids and aural plaques unfortunately). He is being treated for his sarcoids at Weipers (Glasgow uni) and when he was there last I asked about treating the collagen granulomas (my original vet called them Nodular Skin Disease) and was told to leave them alone as they were not causing him any problems. At the moment they seem to be dormant, but when the weather warms up and he is in full work I'm sure they will reappear. He also gets them on his shoulders and flanks as well as under the saddle area.

Now if I remember correctly (old age...not to be recommended!) they can be caused by an insect bite which causes a skin reaction, and they can be treated if very severe but I think that involves the use of steroids.
 
My horse had a few of these come up under the saddle one got quite sore. At the time the horse was having treatment for sarcoids with a blood root paste cannot remember its name but anyway vet said to put some on the collagen lump that was causing trouble. Well the blood root paste burnt out the skin around it & I was left with a cone shape of collagen which I snipped of with scissors and it all healed up fine although he does have a scar there, the other lumps disappeared & I have never had them since.
 
Thanks for the replies. It seems that the steroid injections directly into the bumps is having the desired effect of reducing them at the moment. Just wish I knew what caused them in the first place so I could stop it from happening again.
 
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