Difference between revisions of "ELOC-mutated renal cell carcinoma"

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(→‎IHC: +SO)
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===Molecular lacking===
===Molecular lacking===
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Left Kidney, Partial Nephrectomy:
Right Kidney, Radical Nephrectomy:  
- Renal cell carcinoma (RCC) with clear cells and leiomyomatous stroma,
    - CLEAR CELL RENAL CELL CARCINOMA with cysts and leiomyomatous  
  favour clear cell RCC, see comment.
        stroma, see comment.
- ISUP nucleolar grade 2/4.
    -- Margin clear.
- TMN stage: pT1a pNx
    -- Please see synoptic report for details.
- Please see synoptic report.


Comment:
Comment:
The tumour stains as follows:
The tumour stains as follows:
POSITIVE: CK7, CD10.
POSITIVE: CD10 (moderate), EMA (patchy), CAM5.2, CK7 (focal), PAX8 (diffuse).
NEGATIVE: CK34betaE12, CD34, CK20.
NEGATIVE: CK34betaE12, CK20.


The staining and morphology raises the possibility of a TCEB-1 mutation, described  
The staining and morphology raises the possibility of a TCEB-1 mutation, described  
in a subset of clear cell RCC.  
in a subset of clear cell renal cell carcinoma.[1]


The differential diagnosis includes clear cell renal cell carcinoma and clear cell
1. Mod Pathol 28 (6): 845-53. doi:10.1038/modpathol.2015.6. PMID 25676555.
papillary RCC. Clear cell RCC is favoured.
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