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EQA

BLPG EQA Round 16





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BLPG EQA Round 16 - Case 1

Female 58 years

Breast implant associated effusion which showed suspicious cytology, implant removed.

H&E


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CD04


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CD20


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CD08


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CD30


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ALK-1


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CD05


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CD03


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CD15


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CD02


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CD07


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BLPG EQA Round 16 - Case 2

Male 25 years

Sinonasal mass. Mild eosinophilia, otherwise bloods normal.

H&E


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IgG4


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CD138


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S100


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BLPG EQA Round 16 - Case 3

Male 45 years

Caecal mass. Found widespread small bowel mesentery and peritoneal nodules.

H&E


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Mum1


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Bcl-6


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MYC


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Mib 1


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BCL-2


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CD03


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CD20


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CD10


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BLPG EQA Round 16 - Case 4

Male 76 years

Known lung adenocarcinoma pT3. Paratracheal lymph node removed.

H&E


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BCL-2


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CD03


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CD10


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IgD


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Ki67 (MIB-1)


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CD21


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Bcl-6


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CD20


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BLPG EQA Round 16 - Case 5

Male 67 years

Tissue from left temporal tumour. Multiple intrinsic brain lesions. ?? FISH: Negative for MYC, BCL2 and BCL6 rearrangements.

H&E


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CD10


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BCL-2


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EBV-in situ hybridisation


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MYC


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CD21


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CD03


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Mum1


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CD20


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Ki67 (MIB-1)


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BLPG EQA Round 16 - Case 6

Female 58 years

Punch biopsy left forehead ? follicular mucinosis rule out cutaneous lymphoma.

PREVIOUS HISTORY: Previous (6 years ago) eyebrow lesion had dense lymphoid infiltrate with numerous B and T cells. PCR revealed a T-cell clone without a definite diagnosis of MF.

H&E


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Bcl-6


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CD10


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CD03


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BCL-2


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CD20


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CD21


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Ki67 (MIB-1)


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CD23


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BLPG EQA Round 16 - Case 7

Male 68 years

Recently diagnosed TxN1 SCC right neck of unknown primary. Isolated T10 lesion with a soft tissue component on imaging. Bone marrow trephine biopsy.

H&E


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Ki67 (MIB-1)


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CD23


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BCL-2


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CD05


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CD03


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CD20


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CD10


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BLPG EQA Round 16 - Case 8

Male 55 years

Fatigue and leukocytosis. Bone marrow trephine biopsy.

H&E


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CD34


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CD61


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CD71


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Reticulin


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Myeloperoxidase (MPO) (MYEL)


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