Waxy cast containing numerous RBC's - brightfield with SM stain - urine from patient with IRGN from 4/11/23 (sediment preserved with SM stain and formalin - stored in covered tube at room temp) examined again today and still has well preserved findings! #UrineMicroscopy… pic.twitter.com/rXc19Cgcvv
— Jay R. Seltzer (@jrseltzer) May 18, 2023
RBC cast with fibrin matrix (brightfield with SM stain) - from elderly patient admitted with AKI and "UTI", but cx was negative - MPO ab >8.0 - #UrineMicroscopy #UrinarySediment pic.twitter.com/zw3DoSWlfe
— Jay R. Seltzer (@jrseltzer) May 17, 2023
Mixed cellular cast with fibrin matrix - brightfield with SM stain - from patient with GPA - #UrineMicroscopy #UrinarySediment pic.twitter.com/lF7vB5zrXm
— Jay R. Seltzer (@jrseltzer) May 6, 2023
WBC' s and tubular cells in cast - brightfield with SM stain - urine from patient with MPA from 4/1/23 (sediment with SM stain only stored in covered tube at room temp) examined again today and still has pertinent findings! #UrineMicroscopy #UrinarySediment pic.twitter.com/qeQSdPYciu
— Jay R. Seltzer (@jrseltzer) May 11, 2023
RBC cast with adherent tubular epithelial cells - brightfield with SM stain - urine from patient with MPA from 4/1/23 (sediment with SM stain only stored in covered tube at room temp) examined again today and still has pertinent findings! #UrineMicroscopy #UrinarySediment pic.twitter.com/gLBPnANYMt
— Jay R. Seltzer (@jrseltzer) May 11, 2023
Degenerating RBC cast - brightfield with SM stain - urine from patient with MPA from 4/1/23 (sediment with SM stain only stored in covered tube at room temp) examined again today and still has pertinent findings! #UrineMicroscopy #UrinarySediment pic.twitter.com/uSM4uCitd3
— Jay R. Seltzer (@jrseltzer) May 11, 2023
Cilindro graso (fatty cast), signo de la Cruz de Malta (Maltese cross sign), proteinuria en rango nefrotico (nephrotic range proteinuria), nefropatia por IgA (IgA nephropathy) #UrinarySediment #UrineMicroscopy 1000x @GlomConILA @SLANH_ #SedimentoUrinario #MicroscopiaUrinaria pic.twitter.com/HGUrCSqOOD
— Juan Carlos Q Velez (@VelezNephHepato) February 19, 2023
RBC cast and waxy cast - brightfield, with SM stain - from sample collected 4/11/23, preserved with formalin, kept at room temp, and viewed today - case of IRGN - #UrineMicroscopy #UrinarySediment pic.twitter.com/QJ7EmTJUJC
— Jay R. Seltzer (@jrseltzer) May 6, 2023
Mixed cellular cast from patient with GPA - bright field with SM stain - #UrinarySediment #UrineMicroscopy pic.twitter.com/bEFcwMykNy
— Jay R. Seltzer (@jrseltzer) May 5, 2023
Mixed cellular cast with fibrin matrix - brightfield with SM stain - from patient with GPA - #UrineMicroscopy #UrinarySediment pic.twitter.com/lF7vB5zrXm
— Jay R. Seltzer (@jrseltzer) May 6, 2023
Mixed cellular cast with fibrin matrix - brightfield with SM stain - from patient with GPA - #UrineMicroscopy #UrinarySediment pic.twitter.com/HKF3C3JeRk
— Jay R. Seltzer (@jrseltzer) May 6, 2023
Different views of very long RBC cast - brightfield and darkfield, with SM stain - renal consult for AKI and microscopic hematuria - #UrineMicroscopy #UrinarySediment pic.twitter.com/0RfZ3aQ2qH
— Jay R. Seltzer (@jrseltzer) May 2, 2023
Degenerating RBC's within cast - note the "Heinz bodies", small dense denatured hemoglobin granules along the cytoplasmic membrane - #UrineMicroscopy #UrinarySediment pic.twitter.com/hYlwPBCOSC
— Jay R. Seltzer (@jrseltzer) May 4, 2023
Mixed cellular cast with fibrin cast matrix, containing mostly RBC's as well as a few WBC's and a tubular epithelial cell - brightfield with SM stain - necrotizing crescentic GN on biopsy - #UrineMicroscopy #UrinarySediment pic.twitter.com/c4jQ6sduns
— Jay R. Seltzer (@jrseltzer) May 4, 2023
Long RBC cast - brightfield with SM stain - renal consult for AKI and microscopic hematuria (which had been attributed to incidentally noted 7cm renal mass) - #UrineMicroscopy #UrinarySediment pic.twitter.com/O0IZa4BCd2
— Jay R. Seltzer (@jrseltzer) April 29, 2023
Mixed cellular cast - brightfield, unstained - renal consult for AKI and microscopic hematuria (which had been attributed to incidentally noted 7cm renal mass) - #UrineMicroscopy #UrinarySediment pic.twitter.com/3iHgrh76AW
— Jay R. Seltzer (@jrseltzer) April 29, 2023
Very long RBC cast - brightfield with SM stain - renal consult for AKI and microscopic hematuria (which had been attributed to incidentally noted 7cm renal mass) - #UrineMicroscopy #UrinarySediment pic.twitter.com/L1jQSoas8Q
— Jay R. Seltzer (@jrseltzer) April 29, 2023
Waxy cast containing numerous RBC’s - brightfield with SM stain - from our afternoon session of #UrineMicroscopy live workshop @KIDNEYcon 2023 - pic.twitter.com/grDH9nDvTg
— Jay R. Seltzer (@jrseltzer) April 22, 2023
AKI in a patient with macroscopic hematuria https://t.co/ZxpS1zH7WN
— José A. T. Poloni (@JoseTesser) April 19, 2023
Three different facets of PGNMID: oval fat body reflecting podocyte insult and nephrotic range proteinuria, multiple waxy casts denoting associated IFTA, and acanthocytes and other dysmorphic RBCs denoting endocapillary proliferative lesions #UrinarySediment #UrineMicroscopy pic.twitter.com/Ca5ApHtAR1
— Juan Carlos Q Velez (@VelezNephHepato) June 15, 2022
Granular cast containing a large vacuole (dark on dark field, clear on bright field), occasional finding in proteinuric glomerulopathies, small lipid droplet next to it; surrounding WBCs #UrinarySediment #UrineMicroscopy pic.twitter.com/Kl1iiLMBoZ
— Juan Carlos Q Velez (@VelezNephHepato) May 20, 2022
RBC cast that has started to turn into a waxy cast. Case of IRGN. #UrinarySediment #UrineMicroscopy pic.twitter.com/h8pKXFlpQD
— Juan Carlos Q Velez (@VelezNephHepato) May 16, 2022
In what may be my last urine sediment for a while, here are some interesting mixed casts. Half granular half muddy brown and half muddy brown half waxy #UrineMicroscopy #UrinarySediment pic.twitter.com/OxU12N4h0G
— Dustin Chalmers, MD (@dustychalms) May 27, 2022
Granular cast, SM-stained, surrounded by uric acid crystals. #UrinarySediment #UrineMicroscopy pic.twitter.com/K6N7M93bG1
— Juan Carlos Q Velez (@VelezNephHepato) June 9, 2022
Image on yellow background nicely captured by @OchsnerNephro fellow @AliShueib1 is of an elusive RBC cast, ANCA-GN case. Same cast shown under 1000x, numerous neutrophils nearby. #UrinarySediment #UrineMicroscopy #glomerular pic.twitter.com/3U1CdwxNZQ
— Juan Carlos Q Velez (@VelezNephHepato) June 10, 2022
Cast containing primarily scattered RBCs and a few WBCs, numerous WBCs nearby. AAV, RPGN. #UrinarySediment #UrineMicroscopy pic.twitter.com/I4BFjOfsPK
— Juan Carlos Q Velez (@VelezNephHepato) June 10, 2022
red blood cell cast, also containing one renal tubular epithelial cell, leukocytes close by, Sternheimer-Malbin stain. #UrinarySediment #UrineMicroscopy RPGN, MPO-ANCA, AKI #AAV #PisseProphet pic.twitter.com/OnlgrdbaFh
— Juan Carlos Q Velez (@VelezNephHepato) June 10, 2022
Broad RBC cast in a waxy matrix (likely evolving into full waxy) & surrounding WBCs under bright field, dark field and phase contrast #UrineMicroscopy #UrinarySediment case of AAV RPGN #PisseProphet pic.twitter.com/idi236YWB0
— Juan Carlos Q Velez (@VelezNephHepato) June 10, 2022
Cilindro eritrocitario, injuria renal aguda, glomerulonefritis rápidamente progresiva, MPO-ANCA+. #SedimentoUrinario 1000x #MicroscopiaUrinaria @LGlomcon #Medicina #Nefrologia 🔬#Diagnostico pic.twitter.com/5R0Eicdr0B
— Juan Carlos Q Velez (@VelezNephHepato) June 11, 2022
SM-stained #UrinarySediment with a cracked waxy cast containing lipid droplets on the top end, contaminant squamous epi cell to its bottom right. Fibrillary GN refractory to IST, CKD, nephrotic. Case of Dr @MunerMohamed1 pic.twitter.com/iEI9F7lNQo
— Juan Carlos Q Velez (@VelezNephHepato) June 11, 2022
Waxy cast containing oval fat bodies, case of PGNMID w/nephrotic range proteinuria. #UrinarySediment #UrineMicroscopy under bright field, polarized light, dark field and dark/oblique illumination, SM-stained, 500x. @OchsnerNephro pic.twitter.com/n5NLePkUwl
— Juan Carlos Q Velez (@VelezNephHepato) June 16, 2022
Renal tubular epithelial cell casts, AKI, ESLD, severe hyperbilirubinemia #UrinarySediment pic.twitter.com/RjQjRgE2gV
— Juan Carlos Q Velez (@VelezNephHepato) June 16, 2022