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Difference between revisions of "Renal oncocytoma"
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==Sign out== | ==Sign out== | ||
===Biopsy=== | |||
<pre> | |||
KIDNEY MASS, RIGHT, CORE BIOPSY: | |||
- RENAL TUMOUR WITH ONCOCYTIC CYTOPLASM, FAVOUR ONCOCYTOMA. | |||
</pre> | |||
====Micro==== | |||
The sections show a tumour with cells arranged in nests. The tumour cells have abundant | |||
eosinophilic cytoplasm. The tumour cell nuclei are predominantly round. No perinuclear | |||
halos are apparent. Binucleation is not common. No zonal necrosis is identified. Focally, | |||
tumour nests are spaced reminiscent of an archipelago. Mitoses are not apparent. The | |||
tumour is moderately circumscribed. | |||
A small amount of renal parenchyma is present. No definite glomeruli are identified. No | |||
significant interstitial fibrosis is present. No inflammation is apparent. | |||
===Resection=== | |||
<pre> | <pre> | ||
PORTION OF KIDNEY, RIGHT, PARTIAL NEPHRECTOMY: | PORTION OF KIDNEY, RIGHT, PARTIAL NEPHRECTOMY: | ||
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</pre> | </pre> | ||
===Micro=== | ====Micro==== | ||
The sections show a tumour with cells arranged in nests. The tumour cells have abundant | The sections show a tumour with cells arranged in nests. The tumour cells have abundant | ||
eosinophilic cytoplasm. The tumour cell nuclei are round and have round nucleoli. No | eosinophilic cytoplasm. The tumour cell nuclei are round and have round nucleoli. No | ||