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: ANCA vasculitis with AIN 2 hours ago
The high RF, leucocytosis and low titer ANCA are more suggestive of IRGN than a Vasculitis. I might wait until anti-MPO and anti-PR3 are available ...
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RE: ANCA vasculitis with AIN 4 hours ago
" C-ANCA positive 1:40, P-ANCA negative" PR3 and MPO antibody results? BNP results? ------------------------------ K.K. Venkat MD Troy MI (248)...
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ANCA vasculitis with AIN 6 hours ago
I like to get opinions from the community. An 82 y/o w/f with hypertension was admitted on 3/14/26 for generalized weakness and body aches for wh...
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RE: Follow up 11 hours ago
Regarding the adequacy/safety of kidney biopsy by a nephrologist vs IR, please see following references: https://pmc.ncbi.nlm.nih.gov/articles/PMC...
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RE: AAV ? 11 hours ago
Dr. Taam was a lung diffusion test (DLCO) performed? thanks ------------------------------ Emilio Venturelli MD Scuola di specializzazione i...
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RE: AAV ? 12 hours ago
As pointed out by Dr. Glassock, lung involvement dominates in anti-synthetase syndrome. Also, unlike SLE, nephritis and malar rash are uncommon in ...
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RE: Follow up 12 hours ago
Many private hospital renal docs have interventional radiology doing renal biopsies There seems to be many more complications Most of us don’t have...
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RE: Follow up 14 hours ago
Interventional radiology biopsied the left kidney!??? 3 days later, went into shock. Lacerated spleen. They tried to convince me splenic laceration...
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RE: AAV ? 14 hours ago
Hematuria persists. CRP is 10 mg/L. Complement levels (C3 and C4) are within the normal range (not consumed), and anti–dsDNA antibodies are negati...
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RE: AAV ? 14 hours ago
Without any signs of pulmonary inolvement it would be very difficult to diagnosis an "antisynthtase syndrome" in this case, in my opinion ------...
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RE: AAV ? 18 hours ago
Is hematuria persisting? Sedimentation rate/CRP? C3/C4 and anti-ds-DNAab trend?Has ANCA become negative? Since SCr has improved only from 3.1 mg....
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RE: Follow up 19 hours ago
Thanks for sharing biopsy- what was reason for splenectomy ? Not optimistic for recovery of function . Would not continue IS especially if tolerati...
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RE: AAV ? 19 hours ago
Follow-up We would like to provide an update on the patient's clinical course. The patient received rituximab (1 g at Day 0 and Day 14), along w...
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RE: Follow up 1 day ago
80 and remains on dialysis? I would taper everything off except perhaps follow up dose of rituximab. I would check CD 19 first and if suppressed ...
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RE: Is Hypertonic Saline appropriate here 1 day ago
I would first treat the Hyponatremia with Hypertonic saline and delay treatment of Hyperglycemia by 24 hours to avoid over correction of Hyponatrem...
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RE: Follow up 1 day ago
I would treat this patient as a case of combined ANCA and anti-GBM disease. Some sort of maintenance therapy (RTX) may be required to prevent a rel...
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RE: Distal RTA , COLA and Sibnayal 1 day ago
Dr Dastoor – very interesting patient. There is a case report from Japan (attached) that describes a patient with lysinuric protein intolerance w...
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RE: Follow up 1 day ago
28 glomeruli in specimen 11 globally sclerotic 13 of 17 showed segmental fibrinoid necrosis with cellular crescents. several crescents contained...
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RE: Canine amyloidosis treatment options 1 day ago
Dr. Foster could you share your email address off-line to me? My email is MJL 972@aol.com I would like to ask you a question off-line. ----------...
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RE: Follow up 1 day ago
Can you reshare biopsy report unidentified? ------------------------------ [Mark] [Lerman] [MD,FASN,FACP,FAST] AST KPCOP EC [Past Medical Directo...
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RE: Canine amyloidosis treatment options 2 days ago
The pathology sounds like AA with the nonspecific trapping of IgG. Immunohistochemistry is very accurate for AA so I would try that first. I actual...
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RE: Membranous Nephropathy with Rapid Progression 2 days ago
We can have ANCA vasculitis GN without microscopic hematuria. We had a patient with AKI , p ANCA and cANCA negative , anti proteinase 3 positive , ...
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RE: Follow up 2 days ago
Is she is a cigarette smoker? If no, risk of pulmonary hemorrhage from anti-GBM antibody will be low. ANCA is already negative. Given her age and m...
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Follow up 2 days ago
Last month I presented a case that continues to present difficult choices. I summarize 80 year old female presented with 1 gram of proteinuria, h...
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RE: Distal RTA , COLA and Sibnayal 2 days ago
Distal RTA was diagnosed based on clinical findings of hypokalemia , urine pH , failure to acidify urine with furosemide , non anion gap acidosis ,...
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RE: Distal RTA , COLA and Sibnayal 2 days ago
What is the significance of Lysine and Arginine excretion in the urine with normal Po4, glucose, Cystine and ornithine . Would it suggest the possi...
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RE: Novel COL4A3 Variant and Kidney Transplantation 2 days ago
What you have is a missense variant which is not X linked and is not even a definitely pathogenic variant. So I would think the risk of post transp...
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RE: Novel COL4A3 Variant and Kidney Transplantation 2 days ago
Regarding risk of anti-GBM antibody RPGN after kidney transplantation - from Google AI: " The risk of developing anti-GBM RPGN (rapidly progres...
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Distal RTA , COLA and Sibnayal 2 days ago
This is a case of a 35 year old female 1.distal RTA 2. medullary calcifications 3. Hypokalemia ( on ARB and MRA) 4. urine PH >=7 ( off K citrate...
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RE: Novel COL4A3 Variant and Kidney Transplantation 2 days ago
Our main concern is the potential risk of anti-GBM antibody development in the recipient, which could impact post-transplant outcomes. What do you...
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RE: A patient presented with signs of infection, including chills, no signs of septic shock and no obvious source of infection. A blood culture taken following a hemodialysis session tested positive for BGN, 2 days ago
I agree with Dr Rodby. I would treat and till consults. ------------------------------ Awais Nauman HMC Doha ------------------------------
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RE: Case of FSGS with IgM and C3 post transplant 2 days ago
Thank you for posting this case For my own education , for non US nephrologists Rena sight : WES or WGS ? i mean they do sequencing of both mitoc...
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RE: A patient presented with signs of infection, including chills, no signs of septic shock and no obvious source of infection. A blood culture taken following a hemodialysis session tested positive for BGN, 3 days ago
Citrobacter is an uncommon contaminant in venous blood cultures. It is most commonly an opportunistic infection in an immunocompromised patient. Wh...
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RE: arterial Hypertension in an intra dialysis patient since two months due to an IgA Nephropathy. 3 days ago
Thanks for case .Does he have any clinical sign/symptoms that could be explained by other reasons of high blood pressure apart from ig a ? Endocrin...
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RE: treatment options for intramuscular calcifications and severe left hip pain in PD patient with hyperphosphatemia 3 days ago
I do not use STS in PD pts, it is too difficult to administer and if they need it, they frequently need more efficient and frequent dialysis for ca...
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RE: treatment options for intramuscular calcifications and severe left hip pain in PD patient with hyperphosphatemia 3 days ago
STS on PD (forgot her was on PD) is a bit more difficult bc you have to give it IV although there are IP protocols (set attached) @Stuart Spragu...
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RE: arterial Hypertension in an intra dialysis patient since two months due to an IgA Nephropathy. 3 days ago
Hi, thanks for your reply. The dialysis is isonatrial. Pre-dialysis Na is 138 mmol/L and post-dialysis Na is 136mmol/l Best regards. . ------...
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RE: treatment options for intramuscular calcifications and severe left hip pain in PD patient with hyperphosphatemia 3 days ago
I sincerely appreciate everyone's input on this difficult case. The thoughtful insights and shared experiences were extremely helpful. Discussions ...
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RE: Canine amyloidosis treatment options 3 days ago
Hi Dr Foster if your clinical suspicion of AA amyloidosis is high, I wonder if IHC for SAA might be a reasonable and cheaper first line alternat...
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RE: arterial Hypertension in an intra dialysis patient since two months due to an IgA Nephropathy. 3 days ago
Hi Dr Tirolen what is the patient pre dialysis serum sodium and the dialysate sodium concentration? You might try to lower the dialysate sodiu...
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RE: Canine amyloidosis treatment options 3 days ago
please report back when the nature of the amyloid is found! And if AA, if any inflammatory condition is identified. keep posting your cases, ...
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RE: Canine amyloidosis treatment options 3 days ago
I can certainly offer Tocilizumab to the clients to see if they are interested in giving it a shot. I'd probably use the pediatric dosing as a guid...
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RE: treatment options for intramuscular calcifications and severe left hip pain in PD patient with hyperphosphatemia 3 days ago
Dr.Rodby- great summary of the uncertainties in this case. I agree. ------------------------------ Richard Glassock MD, FASN Laguna Woods CA (949...
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RE: treatment options for intramuscular calcifications and severe left hip pain in PD patient with hyperphosphatemia 3 days ago
Dr Glassock, See my post above about my experience with Exphoza's gi tolerance. IF diarrhea is his issue this may not be the best approach. A...
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RE: A patient presented with signs of infection, including chills, no signs of septic shock and no obvious source of infection. A blood culture taken following a hemodialysis session tested positive for BGN, 3 days ago
I dont know how you can assume this is not real, and may be endocarditis like (infection of his endoprothesis) I would treat pending ID and vasc...
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RE: Canine amyloidosis treatment options 3 days ago
"Unfortunately, serum AA protein levels can occur in AA Amyloidosis, but this finding is diagnostically non-specific as many, many acute abd chroni...
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RE: A patient presented with signs of infection, including chills, no signs of septic shock and no obvious source of infection. A blood culture taken following a hemodialysis session tested positive for BGN, 3 days ago
How many sets of cultures drawn initially, and are all of them positive or only one? I assume repeat blood cultures were drawn when he came back ne...
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A patient presented with signs of infection, including chills, no signs of septic shock and no obvious source of infection. A blood culture taken following a hemodialysis session tested positive for BGN, 3 days ago
Fever and chills overcome during dialysis with no signs of septic shock and no obvious source of infection in an 80-year-old patient who underwent ...
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RE: Canine amyloidosis treatment options Monday, March 16 @ 10:01 PM
Chlorambucil is not an unreasonable approach, if this is AA Amyloidosis . The elevated SAA implies a poor prognosis, but exactly how rapidly the do...
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RE: Canine amyloidosis treatment options Monday, March 16 @ 9:08 PM
We have requested proteomics on the biopsy tissue to confirm the fibrils to be SAA, but I imagine this may take a few weeks. Clinically, we would s...
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