ASN represents more than 20,000 kidney health professionals working to help people with kidney diseases and their families. Comprised of all of ASN's focus areas, the ASN Alliance for Kidney Health allows the society to continue its growth and work towards the goal of a world without kidney diseases.
The latest Nephrology Self-Assessment Program (nephSAP) issue, Volume 24: Issue 5 (Feb 2026): Home Hemodialysis is now available online.
RE: Sarcoid assoc Ca stones 34 minutes ago
Dr. Slater - can you also let us know what the repeat 1,25 dihydroxy Vitamin D level showed.? ------------------------------ Richard Glassock MD,...
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RE: Membranous nephropathy 56 minutes ago
Steroids alone are ineffective in Primary MN, with or without antiPLA2 R antibody. The utility of serum Biomarkers ( such as CEA or CA125) for canc...
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RE: Membranous nephropathy 1 hour ago
The cancer scanning was negative despite high CA125 level, I don't know how specific that level is for an occult malignancy, nor do I know if a PET...
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Membranous nephropathy 1 hour ago
Requesting guidance regarding a case of a frail 72 year old lady with a history of type 2 diabetes mellitus and systemic hypertension since 2016, a...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 5 hours ago
Dr Venkat is spot on with the legal position, but who is actually going to go through with the "fight"? This is a problem in the US, especially in ...
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RE: Sarcoid assoc Ca stones 6 hours ago
Thanks for the extra information. I agree that a 60 yo man with a creat/kg of 27 is likely an overcollection. Sorry I wasn't clear, when I referr...
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RE: Sarcoid assoc Ca stones 8 hours ago
Thx for input PT is male and weighs 60 kg so perhaps not a signif overcollection and even so he has hypercalcuia even if 10-20% overcollection; al...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 20 hours ago
From a US legal perspective (do not know if this will apply in the UK), I got the following from Google AI: "Court decisions generally support doc...
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RE: Sarcoid assoc Ca stones 1 day ago
Dr Slater, Is your patient male or female? What is the patient's weight? A creatinine excretion of 1613 mg doesn't automatically strike me as an ov...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 1 day ago
Dear colleagues Agree, this is a very difficult situation.We have approached in the past by asking involved family members to come to sit with t...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 1 day ago
I must agree with Roger's input on this. Even one family member (the 'aggressive one' as he refers to) often prevails. Some years ago, I was forced...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 1 day ago
Dr Petersen and colleagues, This is a very instructive case, and I agree with the focus on the calcium phosphate/brushite phenotype and the limite...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 1 day ago
This is one of the ethical related issues we see often in dialysis units especially among elderly frail patients with loads of co-morbidities. Thi...
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RE: Biopsy dilemma in setting of severe refractory ITP 1 day ago
Thanks for your input. I will pass it on. ------------------------------ Deborah Fein MD Nephrologist Pattner and Grodstein MD Englewood NJ 201-5...
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RE: Sarcoid assoc Ca stones 1 day ago
Pth 42.5 vit d 25 level 42 Ca 9.1 I am considering doing testing t/ d if he really has incr GI abs hypercalcuria and if we document this t...
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RE: Biopsy dilemma in setting of severe refractory ITP 1 day ago
Dr. Leung has already referred to the off-label use of daratumumab (which is already FDA-approved for multiple myeloma) in immune thrombocytopenia ...
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RE: Biopsy dilemma in setting of severe refractory ITP 1 day ago
I do not think so but will ask. ------------------------------ Deborah Fein MD Nephrologist Pattner and Grodstein MD Englewood NJ 201-567-0446 --...
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RE: Sarcoid assoc Ca stones 2 days ago
I think I would favor a trial of ketoconozole while monitoring urine calcium exterminator rate. Just an opinion not based on evidence. What is the ...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 2 days ago
This problem can be, potentially at least, minimized by a careful explanation to the family members what a "trial of dialysis" really means ,before...
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RE: decision to stop dialysis in patients who lack capacity and family members have divergent views. 2 days ago
My only advice in these situations is to say if this were my family member I would not dialyze as putting the patient through dialysis will decreas...
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RE: Biopsy dilemma in setting of severe refractory ITP 2 days ago
I was wondering about that. Have your hematologist tried daratumumab to target the CD38 cells. It has been reported to be successful in rituximab r...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 2 days ago
Dr Peterson, Thank you for posting the 24 hr urine data. I assume the PTH and vit D data you provided are all within the reference range for your l...
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RE: Biopsy dilemma in setting of severe refractory ITP 2 days ago
The ITP is a very long saga. She failed everything including rituximab( but very short trial with lots dropping to 3000). Splenectomy at Mskcc fail...
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RE: Pd Question 2 days ago
Request for CT Known Polyctic liver and Kidbey. Cystitis and infceted kidney cyst drain by radiological drain . Now deteriorating GCS , increasin...
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decision to stop dialysis in patients who lack capacity and family members have divergent views. 2 days ago
Frail HD patient with worsening dementia and worsening frailty and no capacity lives in care home dialysis consultant felt to stop dialysis ...
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Sarcoid assoc Ca stones 2 days ago
60-year-old diagnosed with cardiac sarcoid 10 yrs ago presented w bradycardia req PPM and is maintained on methotrexate and low does prednisone. Al...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 2 days ago
It's a reasonable option but would not be my first choice. If she could lower her "average USA" UNa of 186 that would be preferable. Adding to her ...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 2 days ago
Thank you so much for these incredibly thoughtful insights! It is worth noting that even with recombinant insulin, patients can develop antibodies...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 2 days ago
Thanks Dr. Asplin and Goldfarb. Would you add a thiazide in this case because of a borderline increase in urinary Calcium excretion.? Just curious-...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Puzzling case. There are very rare case reports of ICGN from insulin therapy in Type I DM ((anti-insulin Antibody, not with recombinant Insulin . )...
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RE: uTi In Anuric Hd Patients 3 days ago
Cystitis in ESRD can happen and is very challenging to treat. If you can get few CCs of urine and culture, do. If not use a 3rd gen cephalosporin w...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
Here is the Litholink from 1/2026 ------------------------------ Emily Petersen MD, FASN Kootenai Clinic Nephrology Coeur D Alene ID (208)...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
Regarding the cystinuria genotype. Heterozygous SLC7A9 mutations, like this patient, and not SLC3A1 mutations, can cause an increase in cystine exc...
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RE: uTi In Anuric Hd Patients 3 days ago
I do not routinely examine dialysis patient's bladder or do post-void scans. These steps + obtaining catheterized specimen from bladder should be c...
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RE: Biopsy dilemma in setting of severe refractory ITP 3 days ago
I think rituximab is a good plan. It could treat both so if the kidney function does not improve, at least the ITP could be in remission. However, ...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Thank you both Drs. Venkat and Dr. Rodby. Our pathologist mentioned just a trace of C3 deposition. I will check RF as well. ----------------...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Q1. What is the known duration of type-1 diabetes? -> She was diagnosed with T1DM ~ 20 years ago. Q2. Does she have diabetic retinopathy? ...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Dr Venkat's point of : "Personally, not impressed with severity of IC-GN findings in the biopsy as explanation for wosening proteinuria" is well ...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
@John Asplin "Urinary aklalinization with K citrate can aggravate stone formation" My probable oversimplified understanding of Medullary ...
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RE: Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Questions: 1. What is the known duration of type-1 diabetes? 2. Does she have diabetic retinopathy? 3. SAlb trend? 4. Were the random/spot urine sa...
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RE: Approach to flank pain ( my case series) 3 days ago
Allow me to opine If clots can be seen from gross hematuria in severe glomerular disease such as IgAN, it must be extremely rare. Why wou...
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Nephrotic range proteinuria with IC-mediated glomerulopathy 3 days ago
Good morning/afternoon/evening, everyone! I have a 31-year-old female patient with type 1 diabetes mellitus who developed sub-nephrotic range prot...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
Thanks Dr. Asplin . I was impressed with the medullary sponge kidney, the family history and the stone composition results. The existence of an aut...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
Yes I will try to do that later today ------------------------------ Emily Petersen MD, FASN Kootenai Clinic Nephrology Coeur D Alene ID (208) 2...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
I should have mentioned that the genetic test indicated that inheritance could be autosomal dominant or recessive ------------------------------ ...
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
Dr Petersen, This is a very interesting case. Would you be able to scan a deidentified copy of her 24 hr urine so we can look at all the numbers....
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RE: Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
This case would benefit from advice from Drs. Goldfarb and Asplin. Medulkary Sponge Kidney is associated with Calcium Phosphate stones and can have...
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RE: uTi In Anuric Hd Patients 3 days ago
That’s helpful Do we routinely examine dialysis patient bladder / do post void scan ? How anuric is anuric ? 24 hr volume is not often measured i...
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Patient with recurrent calcium phosphorus stones and medullary sponge kidney, with genetic testing positive for cystinuria 3 days ago
44 yo female patient with recurrent kidney stones, approximately 5 symptomatic stones per year for many years, off and on, and has had obstructing ...
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RE: Pd Question 3 days ago
Thanks prof venkatShe is in her 50 Active on tx list ( now suspended ) Gram -ve bacilli on cyst fluid and blood cultures urine culture pending Not...
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