Stephen Bonsib, M.D., M.S., Author at Arkana Laboratories

Distorted Glomerulus with Fibrocellular Crescent

Published: July 20, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: Fibrous Crescent, Glomerulonephritis

Distorted Glomerulus with Fibrocellular Crescent

This eyeSCANdy image shows a distorted glomerulus (top) with a fibrocellular crescent (bottom)! Photo credits to Dr. Stephen Bonsib.

Published: July 13, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: ANCA, Crescentic GN, Fibrous Crescent

This EM image shows a glomerulus obliterated by a fibrous crescent Photo credits to Dr. Stephen Bonsib!

Published: July 6, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: Ischemic Collapse

Today’s eyeSCANdy image shows acellular scanning EM showing a glomerulus with ischemic collapse. Photo credits to Dr. Stephen Bonsib!

Published: June 29, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: duct of Bellini, urothelial cells

Ostia of a Duct of Bellini, eyeSCANdy, Dr. Stephen Bonsib, renal pathology, 3D EM image

Today’s eyeSCANdy image shows scanning EM of normal papillary tip showing an ostia of a duct of Bellini and surrounding urothelial cells. Photo credits to Dr. Stephen Bonsib!

Published: June 22, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: acellular scanning EM, Fibrocellular Crescents, Lacunar Spaces

Fibrocellular Crescents with Smooth Basement Membrane Lining Lacunar Spaces

It’s time for another eyeSCANdy image! This acellular scanning EM image shows fibrocellular crescents with smooth basement membrane-like material lining lacunar spaces. Photo credit to Dr. Stephen Bonsib.

Published: June 16, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: Crescentic GN, GBM injury

Another eyeSCANdy image! This picture shows acellular scanning EM showing the earliest GBM injury in crescentic GN, discrete perforations in the glomerular basement membrane. Photo credits to Dr. Stephen Bonsib.

Published: June 8, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: Membranous lupus nephritis, Subepithelial Immune Deposits

subepithelial immune deposits, eyeSCANdy, renal pathology

Today's eyeSCANdy image shows acellular scanning EM from a biopsy with membranous lupus nephritis shows subepithelial immune deposits (not extracted) carpeting the GBM surface! Photo credits to Dr. Stephen Bonsib.

Published: June 1, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: acellular scanning EM, Glomerulus, Ischemic Collapse

Today’s eyeSCANdy image shows acellular scanning EM showing a glomerulus with ischemic collapse. Photo credits to Dr. Stephen Bonsib.

Published: May 18, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: membranous glomerulonephritis stage i

Today’s eyeSCANdy image shows acellular scanning EM from a biopsy with membranous glomerulonephritis, stage I with numerous small shallow depressions representing the site of immune complexes which were extracted corresponding to “pinholes” viewed on silver stain. Photo courtesy of Dr. Stephen Bonsib.

Published: May 11, 2021
By: Stephen Bonsib, M.D., M.S.
Tags: glomerular tuft, segmental necrosis

Normal Glomerular Tuft with Segmental Necrosis, eyeSCANdy, Arkana Laboratories

This eyeSCANdy image shows acellular scanning EM with normal glomerular tuft at top and segmental necrosis at bottom. Photo courtesy of Dr. Stephen Bonsib.

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Accordion Archives

Distorted Glomerulus with Fibrocellular Crescent

Glomerulus Obliterated By A Fibrous Crescent

Glomerulus with Ischemic Collapse

Ostia of a Duct of Bellini

Fibrocellular Crescents with Smooth Basement Membrane Lining Lacunar Spaces

GBM Injury in Crescentic GN

Subepithelial Immune Deposits Carpeting GBM Surface

Glomerulus with Ischemic Collapse

“Pinholes” on Silver Stain

Normal Glomerular Tuft with Segmental Necrosis

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