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Difference between revisions of "Low-grade oncocytic renal tumour"
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| IHC = CK7 +ve, CD117 -ve, GATA3 +ve, [[PAX8]] +ve | | IHC = CK7 +ve, CD117 -ve, GATA3 +ve, [[PAX8]] +ve | ||
| EM = | | EM = | ||
| Molecular = | | Molecular = TSC/mTOR pathway mutation | ||
| IF = | | IF = | ||
| Gross = | | Gross = | ||
| Line 19: | Line 19: | ||
| Clinicalhx = often incidentally discovered mass | | Clinicalhx = often incidentally discovered mass | ||
| Signs = | | Signs = | ||
| Symptoms = | | Symptoms = | ||
| Prevalence = | | Prevalence = | ||
| Bloodwork = | | Bloodwork = | ||
| Line 78: | Line 78: | ||
*CK20 -ve. | *CK20 -ve. | ||
*CD10 -ve. | *CD10 -ve. | ||
*L1CAM +ve.<ref name=pmid38460672>{{cite journal |authors=Alghamdi M, Chen JF, Jungbluth A, Koutzaki S, Palmer MB, Al-Ahmadie HA, Fine SW, Gopalan A, Sarungbam J, Sirintrapun SJ, Tickoo SK, Reuter VE, Chen YB |title=L1CAM Expression and Molecular Alterations Distinguish Low Grade Oncocytic Tumor (LOT) from Eosinophilic Chromophobe Renal Cell Carcinoma |journal=Mod Pathol |volume= |issue= |pages=100467 |date=March 2024 |pmid=38460672 |doi=10.1016/j.modpat.2024.100467 |url=}}</ref> | |||
===Comparison between some renal tumours with eosinophilic cytoplasm=== | |||
{| class="wikitable sortable" | |||
!Tumour | |||
![[CK7]] | |||
![[CD117]] | |||
![[GATA3]] | |||
|- | |||
| [[Renal oncocytoma]] | |||
| -ve † | |||
| +ve | |||
| -ve/+ve | |||
|- | |||
| [[Chromophobe renal cell carcinoma]] | |||
| +ve ‡ | |||
| +ve | |||
| -ve | |||
|- | |||
| Low-grade oncocytic tumour | |||
| +ve | |||
| -ve | |||
| +ve | |||
|- | |||
|} | |||
† may have scattered positive cells<br> | |||
‡ diffuse and strong | |||
==Molecular== | |||
*[[Renal neoplasms with TSC/mTOR pathway mutations|TSC/mTOR pathway mutation]].<ref name=pmid35203531>{{cite journal |authors=Pivovarcikova K, Alaghehbandan R, Vanecek T, Ohashi R, Pitra T, Hes O |title=TSC/mTOR Pathway Mutation Associated Eosinophilic/Oncocytic Renal Neoplasms: A Heterogeneous Group of Tumors with Distinct Morphology, Immunohistochemical Profile, and Similar Genetic Background |journal=Biomedicines |volume=10 |issue=2 |pages= |date=January 2022 |pmid=35203531 |pmc=8869370 |doi=10.3390/biomedicines10020322 |url=}}</ref> | |||
==Sign out== | ==Sign out== | ||
<pre> | <pre> | ||
Right Kidney Mass, Biopsy: | Right Kidney Mass, Biopsy: | ||
| Line 100: | Line 129: | ||
==References== | ==References== | ||
{{Reflist| | {{Reflist|2}} | ||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Genitourinary pathology]] | [[Category:Genitourinary pathology]] | ||