9 results
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
• Complement deposition ... glomerulopathy (Dense deposit ... complement of lg deposition ... Minimal immune deposits ... on EM, negative
This image shows spicular amyloid deposits showing blunt conical formations with interconnecting fibrils.

Dr. Stephen Bonsib via
spicular amyloid deposits ... showing blunt conical ... arkanalabs #amyloid #deposits ... #deposition #ElectronMicroscopy ... #SEM #clinical
This image shows portions of glomerular tuft with collapsed GBM (across top), spicular amyloid (middle right),
with collapsed GBM ... #glomerulus #GBM ... #amyloid #desposition ... #deposits #ElectronMicroscopy ... #SEM #clinical
This image shows spicular amyloid with tapering conical masses interconnected by branching fibrils!

Dr. Stephen Bonsib via
with tapering conical ... amyloid #spicular #desposition ... #deposits #ElectronMicroscopy ... #SEM #clinical
This image shows glomerular tuft with overall intact architecture. Discrete masses of specular amyloid interrupt smooth
glomerulus #amyloid #desposition ... #deposits #ElectronMicroscopy ... #SEM #clinical
This image shows a glomerular tuft with overall intact architecture. Discrete masses of specular amyloid (long
glomerulus #amyloid #desposition ... #deposits #ElectronMicroscopy ... #SEM #clinical
Stage II Membranous Glomerulonephritis on Electron Microscopy
This eyeSCANdy image shows acellular scanning EM of a glomerulus
acellular scanning EM ... appearance of GBM ... glomerulonephritis #MGN ... #stage2 #GBM #ElectronMicroscopy ... #SEM #clinical
Stage III Glomerulonephritis on Electron Microscopy
This image shows acellular scanning EM from a biopsy with membranous
acellular scanning EM ... more extensive GBM ... glomerulonephritis #MGN ... #stage3 #GBM #ElectronMicroscopy ... #SEM #clinical
Stage IV Glomerulonephritis on Electron Microscopy

This image shows acellular scanning EM of glomerular capillary loops from
acellular scanning EM ... completely bridged GBM ... glomerulonephritis #glomerulus #MGN ... #stage4 #ElectronMicroscopy ... #SEM #clinical