Arkana Labs
@arkanalabs.bsky.social
We're a center for renal & neuromuscular pathology focused on one thing: improving care for patients. #renal #pathsky #renalpath #neuropath #neuromuscular #kidneypath
(1/2) A case of florid ALECT2 type amyloidosis. This is a Hispanic patient who had not seen a physician in several years. Leukocyte chemotactic factor 2 type amyloidosis (ALECT2) is a form of amyloid of unknown etiology. #renal #pathtwitter #kidneypath #underthescope
February 6, 2026 at 2:01 PM
(1/2) A case of florid ALECT2 type amyloidosis. This is a Hispanic patient who had not seen a physician in several years. Leukocyte chemotactic factor 2 type amyloidosis (ALECT2) is a form of amyloid of unknown etiology. #renal #pathtwitter #kidneypath #underthescope
A sample from the pathology teaching slide set on Anti-glomerular Basement Membrane (Anti-GBM) Antibody Glomerulonephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
February 4, 2026 at 2:02 PM
A sample from the pathology teaching slide set on Anti-glomerular Basement Membrane (Anti-GBM) Antibody Glomerulonephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
(1/3) Chronic active T cell-mediated rejection (TCMR) was included in the 2017 Banff classification system for the evaluation of kidney allografts (see reference).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
February 3, 2026 at 2:02 PM
(1/3) Chronic active T cell-mediated rejection (TCMR) was included in the 2017 Banff classification system for the evaluation of kidney allografts (see reference).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
Here is today’s #eyeSCANdy! Corrugated lumen of a renal artery following removal of endothelial cells.
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
February 2, 2026 at 5:03 PM
Here is today’s #eyeSCANdy! Corrugated lumen of a renal artery following removal of endothelial cells.
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
In a patient with subnephrotic proteinuria, negative immunofluorescence, and segmental foot process effacement, what is your diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
February 2, 2026 at 2:01 PM
In a patient with subnephrotic proteinuria, negative immunofluorescence, and segmental foot process effacement, what is your diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
(1/3) A case of active lupus nephritis in a limited sample. Only renal medulla was present for IF. Two glomeruli total were present for LM and paraffin IF was performed, which demonstrated near "full house" staining.
#GlomGoals #biopsyadequacy #pathtwitter #renaltwitter
#GlomGoals #biopsyadequacy #pathtwitter #renaltwitter
January 30, 2026 at 2:01 PM
(1/3) A case of active lupus nephritis in a limited sample. Only renal medulla was present for IF. Two glomeruli total were present for LM and paraffin IF was performed, which demonstrated near "full house" staining.
#GlomGoals #biopsyadequacy #pathtwitter #renaltwitter
#GlomGoals #biopsyadequacy #pathtwitter #renaltwitter
A sample from the pathology teaching slide set on Lupus Nephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
January 29, 2026 at 2:02 PM
A sample from the pathology teaching slide set on Lupus Nephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
Here is today’s #eyeSCANdy! Acellular scanning EM showing discrete GBM perforations from a patient with focal necrotizing and crescentic glomerulonephritis.
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
January 28, 2026 at 2:02 PM
Here is today’s #eyeSCANdy! Acellular scanning EM showing discrete GBM perforations from a patient with focal necrotizing and crescentic glomerulonephritis.
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Collapsing glomerular lesions are aptly named, given the prominent “collapse” of glomerular tuft capillary loops. There is also hyperplasia and hypertrophy of overlying epithelial cells, and protein resorption droplets may be abundant (see arrow).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
January 27, 2026 at 2:02 PM
Collapsing glomerular lesions are aptly named, given the prominent “collapse” of glomerular tuft capillary loops. There is also hyperplasia and hypertrophy of overlying epithelial cells, and protein resorption droplets may be abundant (see arrow).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
January 26, 2026 at 2:01 PM
In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
(1/2) A case of lambda light chain cast nephropathy in a limited sample. The entire biopsy consisted of renal medulla.
#GlomGoals #biopsyadequacy #renaltwitter #pathtwitter
#GlomGoals #biopsyadequacy #renaltwitter #pathtwitter
January 23, 2026 at 2:02 PM
(1/2) A case of lambda light chain cast nephropathy in a limited sample. The entire biopsy consisted of renal medulla.
#GlomGoals #biopsyadequacy #renaltwitter #pathtwitter
#GlomGoals #biopsyadequacy #renaltwitter #pathtwitter
We're excited to share that Dr. Jamie Singh and Dr. Shree Sharma will each be giving a lecture at the National Kidney Foundation Spring Clinical Meeting in May. They will be teaching at the pre-conference session on May 6, so please make sure you register!
https://www.kidney.org/spring-clinical
https://www.kidney.org/spring-clinical
January 22, 2026 at 6:45 PM
We're excited to share that Dr. Jamie Singh and Dr. Shree Sharma will each be giving a lecture at the National Kidney Foundation Spring Clinical Meeting in May. They will be teaching at the pre-conference session on May 6, so please make sure you register!
https://www.kidney.org/spring-clinical
https://www.kidney.org/spring-clinical
A sample from the pathology teaching slide set on Anti-glomerular Basement Membrane (Anti-GBM) Antibody Glomerulonephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
January 22, 2026 at 5:04 PM
A sample from the pathology teaching slide set on Anti-glomerular Basement Membrane (Anti-GBM) Antibody Glomerulonephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
We're thrilled to celebrate Dr. Tiff Caza, who has officially surpassed 100 publications! 🥳
This incredible achievement reflects Dr. Caza's commitment to excellence and her outstanding impact in renal pathology and patient care. Congratulations, @glombandit.bsky.social !
#renalpathology #pathology
This incredible achievement reflects Dr. Caza's commitment to excellence and her outstanding impact in renal pathology and patient care. Congratulations, @glombandit.bsky.social !
#renalpathology #pathology
January 21, 2026 at 7:30 PM
We're thrilled to celebrate Dr. Tiff Caza, who has officially surpassed 100 publications! 🥳
This incredible achievement reflects Dr. Caza's commitment to excellence and her outstanding impact in renal pathology and patient care. Congratulations, @glombandit.bsky.social !
#renalpathology #pathology
This incredible achievement reflects Dr. Caza's commitment to excellence and her outstanding impact in renal pathology and patient care. Congratulations, @glombandit.bsky.social !
#renalpathology #pathology
(1/2) This 76 y/o male presented with complaints of muscle pain. Their past medical history is significant for Sjogren’s syndrome, fibromyalgia, peripheral neuropathy, hypertension and hyperlipidemia. Laboratory studies showed normal CPK and elevated CRP.
#neuropathology #neuromuscular #pathsky
#neuropathology #neuromuscular #pathsky
January 21, 2026 at 3:31 PM
(1/2) This 76 y/o male presented with complaints of muscle pain. Their past medical history is significant for Sjogren’s syndrome, fibromyalgia, peripheral neuropathy, hypertension and hyperlipidemia. Laboratory studies showed normal CPK and elevated CRP.
#neuropathology #neuromuscular #pathsky
#neuropathology #neuromuscular #pathsky
Here is today’s #eyeSCANdy! Acellular scanning EM showing a glomerulus with fibrocellular crescent (right).
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
January 21, 2026 at 2:02 PM
Here is today’s #eyeSCANdy! Acellular scanning EM showing a glomerulus with fibrocellular crescent (right).
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Prominent interstitial eosinophils (see arrow) are most often associated with allergic-type acute interstitial nephritis (AIN).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
January 20, 2026 at 2:01 PM
Prominent interstitial eosinophils (see arrow) are most often associated with allergic-type acute interstitial nephritis (AIN).
#TeachingPoints #kidneypath #renal #pathology
#TeachingPoints #kidneypath #renal #pathology
This is the albumin immunofluorescence stain form a biopsy from a patient with recent COVID pneumonia and nephrotic syndrome. What is your diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
January 19, 2026 at 2:01 PM
This is the albumin immunofluorescence stain form a biopsy from a patient with recent COVID pneumonia and nephrotic syndrome. What is your diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
(1/2) A case of IgA nephropathy but in a limited sample. Cortex was present for immunofluorescence microscopy so, a diagnosis could be made.
#renalpathology #renalsky #GlomGoals #biopsyadequacy
#renalpathology #renalsky #GlomGoals #biopsyadequacy
January 16, 2026 at 2:01 PM
(1/2) A case of IgA nephropathy but in a limited sample. Cortex was present for immunofluorescence microscopy so, a diagnosis could be made.
#renalpathology #renalsky #GlomGoals #biopsyadequacy
#renalpathology #renalsky #GlomGoals #biopsyadequacy
Here is today’s #eyeSCANdy! Acellular scanning EM showing a glomerulus with fibrocellular crescent (top).
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
January 15, 2026 at 2:02 PM
Here is today’s #eyeSCANdy! Acellular scanning EM showing a glomerulus with fibrocellular crescent (top).
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
Photo courtesy of Dr. Stephen Bonsib. #renal #pathology #kidneypath
A sample from the pathology teaching slide set on Lupus Nephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
January 14, 2026 at 5:03 PM
A sample from the pathology teaching slide set on Lupus Nephritis, jointly prepared by Arkana Laboratories and @goKDIGO. http://KDIGO.org/guidelines/gd/
#KDIGO #pathology #renal #kidneypath
#KDIGO #pathology #renal #kidneypath
Have you caught up on our latest collision case? Learn more about what happens when two diseases collide in one case and how kidney function is affected. #kidneypath #renalsky #pathsky #Collidescope
Check out the episode here:
Check out the episode here:
Myoglobin and Hemoglobin Cast collision case | Collidescope episode 9
What happens when two diseases occur at the same time? Does one influence the other? How is kidney function affected?Join Dr. River Charles and Dr. Frank Boy...
youtu.be
January 14, 2026 at 2:03 PM
Have you caught up on our latest collision case? Learn more about what happens when two diseases collide in one case and how kidney function is affected. #kidneypath #renalsky #pathsky #Collidescope
Check out the episode here:
Check out the episode here:
In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
January 12, 2026 at 2:15 PM
In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis?
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
#DiagnoseThis #nephsky #pathsky #renal #kidneypath
(1/2) A case of IgA nephropathy but in a limited sample. Cortex was present for immunofluorescence microscopy so, a diagnosis could be made.
#GlomGoals #bxadequacy #renalpathology #renalsky
#GlomGoals #bxadequacy #renalpathology #renalsky
January 12, 2026 at 2:02 PM
(1/2) A case of IgA nephropathy but in a limited sample. Cortex was present for immunofluorescence microscopy so, a diagnosis could be made.
#GlomGoals #bxadequacy #renalpathology #renalsky
#GlomGoals #bxadequacy #renalpathology #renalsky
A dual case of crescentic glomerulonephritis and thrombotic microangiopathy (secondary to gemcitabine) in a patient with metastatic lung cancer, AKI, hematuria and proteinuria.
#UnderTheScope #renalpath #pathsky #renalsky
#UnderTheScope #renalpath #pathsky #renalsky
January 9, 2026 at 4:31 PM
A dual case of crescentic glomerulonephritis and thrombotic microangiopathy (secondary to gemcitabine) in a patient with metastatic lung cancer, AKI, hematuria and proteinuria.
#UnderTheScope #renalpath #pathsky #renalsky
#UnderTheScope #renalpath #pathsky #renalsky