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EQA

Yorkshire General histopathology EQA Circulation AT






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Case AT1

Male 79 years

Smooth lump buccal sulcus. Not fixed to mucosa. 8mm fragment.





519653


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Case AT2

Male 75 years

Subtotal colectomy. The specimen consists of large bowel measuring approximately 1000mm in length with 40mm of attached terminal ileum.There are pseudomembranes present on the mucosal surface of the entire length of the bowel.





519660


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Case AT3

Male 38 years

Painless left testicular mass, well circumscribed white mass 16 x 14mm.





555838


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Case AT4

Female 68 years

Vulval lesion 5mm ?wart ?other. Ellipse of skin 10 x 6 x up to 4mm. The surface bears a pale scaly macule 6 x 5mm.





555842


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Case AT5

Female 72 years

Right renal tumour 12 mm, upper pole ?RCC.





555846


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Case AT6

Female 37 years

Pedunculated duodenal polyp, EMR.





555847


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Case AT7

Female 28 years

Products of conception, USS - possible molar pregnancy, haemorrhagic tissue 160 x 140 x 20mm. Fluid filled vesicles.





555849


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Case AT8

Male 76 years

Superficial left parotid gland lesion / suspected pleomorphic adenoma. ck19, E- cadherin positive, B catenin membranous positivity. Ki67 1%. S100, CD117, BCL2, DOG1, ASMA, ALCIEN BLUE negative.





555858


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Case AT9

Female 30 years

Cystic lesion on occiput (scalp). A single piece of pale firm smooth tissue ? ruptured cyst 24 x 16 x 11mm. No obvious skin, slicing reveals uniform cut surface which is light brown with dark speckled areas.





555860


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Case AT10

Male 61 years

Nodule left nostril ?BCC. Ellipse of skin 7 x 6 x 4mm with a pale nodule measuring 5 x 5 x 3mm. Positive: Vimentin> - Negative: AE1/3, Cam5.2, BerEP4, EMA, CEA, S100, SOX10, HMB45, Melan-A, CD34, PAX8 and CD68.





555865


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Case AT11 (Educational)

Male 64 years

Rectosigmoid polyp 7 x 5 x 3mm.





555868


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