10 results
This image shows acellular scanning EM showing glomerular basement membrane duplication at high power in a
acellular scanning EM ... arkanalabs #GBM ... #membranoproliferative ... SEM #clinical #nephrology ... #pathology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Membranoproliferative ... Mesangiocapillary GN ... immune deposits on EM ... malignant HTN #Membranoproliferative ... #nephrology #diagnosis
Stage III Glomerulonephritis on Electron Microscopy
This image shows acellular scanning EM from a biopsy with membranous
acellular scanning EM ... more extensive GBM ... surface of reticular GBM ... #stage3 #GBM #ElectronMicroscopy ... #pathology
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 ... #pathology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
nephropathy • Membranoproliferative ... GN • Mesangial ... proliferative • Anti-GBM ... Post-infectious GN ... #Proteinuria #Nephrology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
post-infectious GN ... Basement Membrane (GBM ... Linear, ribbon-like GBM ... staining on IF • No EM ... Differential #Diagnosis #Nephrology
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 ... SEM #clinical #nephrology ... #pathology
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
Electron Microscopy (EM ... Post-infectious GN ... RPGN • Anti-GBM ... glomerular #diseases #nephrology ... #pathology #comparison
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Cytomegalovirus; GBM ... basement membrane; GN ... atypical HUS; MPGN ... = membranoproliferative ... nephrotic #syndrome #nephrology
Guide to systemic mastocytosis

Criteria for diagnosis: at least 1 major and 1 minor or 3 minor
aggregates) in BM ... are atypical on BM ... release • MCs in BM ... Hypercellular BM ... mastocytosis #hemepath #pathology