Type 3c, hoping this might help others mis diagnosed type 2

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Milli27

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Relationship to Diabetes
Type 3c
Initially diagnosed as Type 2 four/five years ago (age 54/55), started Metformin. I questioned diagnosis as Type 2 as I could see no reason, very healthy lifestyle and diet throughout life, no family history, usually healthy weight and BMI, no visceral fat (privately tested). Tested for Type 1 and not type 1.

Kept pushing on type 2 diagnosis, lost weight without reason, referred to a consultant and re defined as type 3c three years ago (Age 56)

Diagnosed with an enzyme defficiency three years ago. Prescribed Creon, Enzyme replacement therapy. This therapy has worked well since then.

Cause of type 3c, chronic pancreatitis. Not diagnosed until three years ago, via a CT scan, pancreatic damage found. Pain and issues since 19. Previously put down to IBS, everything else (not pancreatitis) tested for and ruled out. But this was in the 80’s and 90’s.

Cause of chronic pancreatitis confirmed by genetic blood testing as genetic, one month ago.

Older Sister diagnosed with Pancreatitis at age 11 and in her 30’s. No further conditions diagnosed since then. No enzyme defficiency and no diabetes.

Initially Gliclazide added to Metformin.
I was warned it would be likely I would need insulin in the near future. Started insulin 18 months ago.
Libre 2 sensor prescribed on the NHS 1 year ago, really helped with sugar level management. I work really hard at it and usually over 70% in range. But lows difficult to manage/can drop dramatically.

Sugar levels can vary dramatically and drop very quickly. I am told this is very symptomatic of Type 3c as the pancreas is damaged it does not produce Glucogen (another hormone, basically does the opposite to insulin) as well as insulin. “Brittle diabetes”

I continue to exercise quite a lot which also makes it very difficult to manage lows. I reduce my insulin when exercising within an hour, so go high, then drop like a stone when exercising. Libre 2 sensor helps immensely with this.

Currently referred to a consultant to go on a pump, meaning the insulin delivery can be fine tuned much more, aiming to keep in range much more of the time and manage the lows much better. Hoping to reduce my day to day work load/input too as it does get too much at times.

My diagnosis and route is very specific (I am not special, this seems to be very representative of type 3c as so many causes and so little known about it in comparison to type 1 and 2). I am getting lots of support from the professionals/very lucky to have really good ones. So I am not on the forum at this stage for advice or help (although that might change if I start using a pump) but I wanted to share in case others out there are on a similar journey.
 
Hi @Milli27 this is very interesting, as I was diagnosed with Type 3c on Thursday (both the GP and the consultant went straight to this diagnosis as I have had part of my pancreas removed).

Have you had an abdominal CT? I have been reading a lot about Type 3c and one thing that keeps coming up is that it is an early sign of pancreatic cancer. The only sign, in fact, until the cancer is advanced. My question really is whether the doctors do scans automatically or whether you have to ask for it.

Also, what were the signs you needed Creon? The consultant I saw this week said I might need it.
 
Hi @Milli27 this is very interesting, as I was diagnosed with Type 3c on Thursday (both the GP and the consultant went straight to this diagnosis as I have had part of my pancreas removed).

Have you had an abdominal CT? I have been reading a lot about Type 3c and one thing that keeps coming up is that it is an early sign of pancreatic cancer. The only sign, in fact, until the cancer is advanced. My question really is whether the doctors do scans automatically or whether you have to ask for it.

Also, what were the signs you needed Creon? The consultant I saw this week said I might need it.
Yes, I had a CT scan as a result of a consultant (Diabetes) recommendation after diagnosed as type 2 but questioning this. I had weight loss as well. The CT scan showed the pancreatic damage (I had not had any pancreatic surgery, unlike you) and confirmed no pancreatic cancer. The same consultant also referred me to a Gastro specialist who then prescribed Creon. So the signs I needed Creon were weight loss, loss of energy, results of the scan and stool issues. The consultant did some further tests and then recommended Creon, which has worked brilliantly. This is such a complex area and there are so may differences in causes etc. I am waiting for a follow up appointment with the Gastro consultant and aim to ask more about the risks of pancreatic cancer and possible ongoing checks. There is limited information available through reputable sources and I am not clear about the different causes and correlation to risk. I am following all advice given, including not smoking or drinking, specific to my pancreas, hoping to reduce the risks if I can. Also trying not to over worry as that might not help either. A balance I think between concern to do what i need to and get any tests i need and not going overboard. Sounds like you have a really good GP and consultant and hopefully you can use this to do some more research yourself and to ask them some questions? Good luck. Let me know how you get on.
 
This sounds a little like my story. Diagnosed just over the threshold at 49 in 2020. Exercised regularly, slightly low bmi. Pulled back a little on carbs to find myself an extremely worryingly weight of 35kgs. All type 1 investigations negative but ct scan showed atrophied pancreas. Long story short started Creon, over 18 months up to 40 kgs - A1c currently 53 but now have some background retinopathy. Despite input from dietician still have to watch weight loss like a hawk. Watching carbs and weight loss - feels like a juggling act
 
This sounds a little like my story. Diagnosed just over the threshold at 49 in 2020. Exercised regularly, slightly low bmi. Pulled back a little on carbs to find myself an extremely worryingly weight of 35kgs. All type 1 investigations negative but ct scan showed atrophied pancreas. Long story short started Creon, over 18 months up to 40 kgs - A1c currently 53 but now have some background retinopathy. Despite input from dietician still have to watch weight loss like a hawk. Watching carbs and weight loss - feels like a juggling act
I feel for you. Yes, massive juggling act. Keep at it but at least you know there are others like you having to go through similar stuff/people who understand the difficulties. Take care, when it seems too much, use it as a reason to give yourself a non diet treat🙂
 
I feel for you. Yes, massive juggling act. Keep at it but at least you know there are others like you having to go through similar stuff/people who understand the difficulties. Take care, when it seems too much, use it as a reason to give yourself a non diet treat🙂

Welcome to the forum @Milli27

Glad you have joined our happy band of Creonistas, including @eggyg @Proud to be erratic @martindt1606 and @soupdragon

All with their own tales of Type 3c shenanigans to share. Certainly seems to be a tiny bit more on the radar in recent years, but still and unknown quantity to many non-specialist HCPs.

Hope the insulin pump helps. We have a thriving assortment of pump users with different makes and models whose brains you can pick 🙂
 
Welcome @Milli27. Not the same scenaio but similar. Scarring of pancreas identified in 2003 (started using CREON), recategorised as neuroendocrine tumours in 2007, Pancreas removed 2010, Insulin pump 2013, CGM 2018. Very brittle / erratic blood glucose especially with exercise. Time in Range over 80% since CGM although some days (eg yesterday) under 50%...............

Happy to help with any questions.
 
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