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EQA

GI EQA circulation L 2007







L 01

Male 25 years

appendix: acute appendicitis - mucocoele ruptured

Macroscopic description:
appendix measuring 75mm in length with cross sectional diameter varying from 8mm at the base to 17mm at the tip. There is congestion of the mesoappendix.

Specials:
PGP, synaptophysin and chromogranin positive - mucin demonstrable with PAS / AB


H&E
46528


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L 02

Female 69 years

Random colonic biopsy. Anaemia.

Macroscopic description:
endoscopic biopsies.


H&E
46525


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L 03

Female 58 years

Rectal polyp.

Macroscopic description:
local excision of rectum - mucosa 40mm x 30mm with underlying tumour 35mm in diameter. Tumour is pale, fibrous and well circumscribed.

Specials:
S100 positive, CD117 negative, MIB index <5%


H&E
46534


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L 04

Male 40 years

Colonic biopsies. Extensive moderate erythema at (a). Diagnoses - Inflammation, ?? GVHD


H&E
46549


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L 05

Female 51 years

Laparotomy and right hemicolectomy with excision of enteric cyst. No luminal continuity. Cyst filled with altered blood.

Macroscopic description:
separate cyst 14x14cm with a haemorrhagic cut surface and covering exudate. Right hemicolectomy with haemorrhagic ileal mass 5cm maximum diameter

Specials:
Immunohistochemical results - c-kit strong, diffuse cytoplasmic positivity, focal smooth muscle antibody (SMA) positivity. S100, demsin, CD31, CD34 -ve


H&E
46522


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L 06

Female 96 years

Anal polyp

Macroscopic description:
polyp, 14x20x15mm


H&E
46620


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L 07

Female 41 years

Inguinal hernia - cysts from round ligament

Macroscopic description:
soft tissue round ligament measuring 50x15x12mm - cut section shows multiple cysts.


H&E
46621


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L 08

Male 45 years

Huge polyp in colon, mutliple small rectal polyps

Macroscopic description:
colon polyp lobulated tan polyp 40x25x20mm, no stalk identified


H&E
46628


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L 09

Female 57 years

Appendicitis, ?right iliac fossa mass, caecum normal.

Macroscopic description:
appendix measuring 5.8cm in length and 1.4cm in maximum diameter with attached 4cm of mesenteric fat. The surface is covered with exudate


H&E
46634


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L 10

Male 64 years

pancreas: presented with diarrhoea - cystic lesion in tail of pancreas

Macroscopic description:
portion of pancreas 100x45x20mm with multiloculated cystic tumour 25x20x20m


H&E
46524


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L 11

Female 69 years

Fungating tumour occupying rectum and anal canal and extending to anal verge

Macroscopic description:
anal and rectal biopsies - together measuring 40x30x10mm

Specials:
AE1/AE3 negative S100 HMB45 positive


H&E
46532


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L 12

Female 33 years

Frequent loose motions and urgency, weight loss

Macroscopic description:
5mm sessile polyp at distal sigmoid biopsied


H&E
46541


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L 13

Female 37 years

Large LUQ mass - en bloc resection of pancreas, colon and spleen.

Macroscopic description:
Well circumscribed tumour mass, 11x10.5x6 cm includes pancreatic tail and adherent colon and omentum. Spleen received separately, macroscopically normal

Specials:
PAS positive, diastase resistant cytoplasmic granules. CK (weak), NSE, NFP200, CD10, Vim and alpha 1 AT positive. EMA, ER, GFAP, NFP160 negative.


H&E
46544


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L 14

Female 58 years

Solid fundal mass in gall bladder. Suspected adenocarcinoma of gall bladder. Open cholecystectomy.

Macroscopic description:
gall bladder 91mm in length and 40mm in diameter. Nodule 21mm in diameter


H&E
46553


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