This image shows a large neuroblastoma mass at upper pole of left kidney, distorting its architecture
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We are very sad to announce the death of Professor Michel Broyer on March 10, 2020 at the age of 86, following a COVID19 infection. Early during his residency in Professor Pierre Royer’s unit at the Necker-Enfants Malades Hospital in the early 1960’s, Michel Broyer was fascinated by the recent…
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The PAS 2020 meeting has been cancelled due to the coronavirus pandemic. The PAS program office should communicate directly with you about hotel reservations (which should be automatically canceled if you made a reservation through the PAS website) and refunding your conference fee if you have already registered for the…
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Acute interstitial nephritis with associated acute tubular injury. There is interstitial edema and the tubules are not back to back as would be expected, due to the inflammatory and lymphocytic infiltrate in the interstitial compartment. Note the interstitial eosinophils present in the second image (black arrows). Images courtesy of Joseph…
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Focal segmental glomerulosclerosis (FSGS) in a child presenting with nephrotic syndrome. Image courtesy of Joseph Gaut, MD PhD.
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Numerous PAS-positive protein reabsorption droplets in the renal tubules of a child with minimal change disease. Image courtesy of Joseph Gaut, MD PhD.
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Acute tubular necrosis (ATN). Note the tubules are not back-to-back due to interstitial edema (Masson trichrome staining, not shown, did not show appreciable fibrosis). There is blebbing and sloughing of tubular epithelial cells (black arrows) with loss of the brush border, as well as flattening of the renal tubular epithelium…
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