Search & Filter All Posts
Results for Teaching Points
(241 Results)
Tuberculosis – AFB and Rhodamine
A 69-year-old Caucasian man presented with general malaise and multiple febrile episodes that started several weeks prior to presentation. He…
Jones Deposits
A well-prepared Jones methenamine silver stain can help localize immune deposits. By sharply defining the glomerular capillary basement membrane (GBM),…
Light Chain Cast Nephropathy with Congo Red Staining
This biopsy was taken from a 60-year-old African American female with a history of diabetes mellitus and hypertension, who presented…
IgA Differential
IgA nephropathy is defined by IgA dominant or co-dominant deposits in glomeruli in the absence of systemic disease. Other diseases…
Lab Robots
Friendly robots help anatomic pathology laboratories maintain high quality and efficiency! Laboratories began introducing automation technology on a large scale…
LECT2 Amyloidosis
The renal biopsy from this 79-year-old Hispanic male shows extensive glomerular, tubulointerstitial and vascular deposition of a PAS-pale (Fig 1),…
CIN Due To PPI
Chronic interstitial nephritis (CIN) is diagnosed when interstitial inflammation is present in areas of fibrosis (A) in combination with the…
FSGS Types
The 3 main FSGS Types Are there clues to help distinguish among primary, genetic, and secondary focal segmental glomerulosclerosis (FSGS)…
Oxalate Due to Vitamin C
A 51-year-old female with a history of SLE was found to have acute renal failure. There was no evidence…
Vascular Resistance
The sampled artery in this kidney biopsy shows severe arteriosclerosis. The deleterious effects of a narrowed arterial lumen and increased…
Nephrocalcinosis in Sarcoid
The renal biopsy in these photomicrographs shows tubular injury with increased interstitial calcium phosphate deposition. Focal interstitial calcium phosphate can…
Interstitial Hemorrhage
The differential diagnosis for interstitial hemorrhage includes hemorrhagic necrosis in the setting of renal artery thrombosis, infection (e.g. herpes simplex…
Immune Deposits in SLE
The ISN/RPS 2004 classification of lupus nephritis is entirely based on glomerular changes. Depending on the presence or absence of…
Membranous-Like Glomerulopathy with Masked IgG-Kappa Deposits
Immunoglobulin deposits identified on renal biopsy samples by paraffin immunofluorescence that show negative staining by routine immunofluorescence on frozen tissue…
Chronic Active T Cell-Mediated Rejection
Chronic active T cell-mediated rejection (TCMR) was included in the 2017 Banff classification system for the evaluation of kidney allografts…