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September 7th, 2019 (Liver Pathology)
Digital Slide Seminar 1:
Approach to Liver Biopsy with Focal Liver Lesions
Professor Aileen Wee
Case 1: An Intraductal Papillary Lesion
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65 year-old Chinese women
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Hepatitis B carrier
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10 years ago: Right hemicolectomy for stage 2 colonic adenocarcinoma; no adjuvant therapy
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Asymptomatic
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Serum CEA rose from 3.0 to 9.6 µg/L over 3 months
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Liver panel normal
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PET scan: Nodule at hilum of liver. Intrahepatic bile ducts not dilated.
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Impression: Hepatocellular carcinoma (HCC) versus colonic metastasis.
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Liver lobectomy
Case 2: An Intraductal Papillary Lesion
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72 year-old Chinese man
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Hepatitis B carrier
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Diabetes mellitus, hypertension
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Presents with painless obstructive jaundice
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Anti-HBc positive
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AFP 3.7 µg/L, CEA 3.7 µg/L, CA19-9 47 u/ml
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PTC insertion
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Biopsy through PTC
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Diagnostic laparoscopy: "Cirrhosis"
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Partial hepatectomy
Case 3: An Intrahepatic Mass
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50 year-old Chinese man
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Asymptomatic
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No clinical history or laboratory results of note
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CT scan of abdomen: Incidental solitary 5-cm mass in posterior aspect of right lobe of non-cirrhotic liver
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Consult case of hepatic resection
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"Strange-looking HCC in the liver"
Case 4: A Potential Pitfall
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45 year-old Chinese man
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Serum tumor markers negative
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Hepatitis virus markers negative
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CT scan of abdomen: 6 cm mass in a non-cirrhotic liver
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Percutaneous needle core biospy
Case 5: A Great Mimic
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45 year-old Chinese women
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Small bowel surgery 2 years ago
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Multiple liver nodules
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Fine needle aspiration cytology and needle core biopsy of liver lesion
Case 6: A Young Woman with Perisinusoidal Fibrosis
May 2012
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21 year-old women
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Bruising, menorrhagia and abdominal distension x 5 months
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Daily fevers of 39°C and night sweats
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Weight loss
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Hepatosplenomegaly with ascites
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Hb of 9g/dl, white cell count of 4.0 x 10⁹/l, platelet count of 34 x 10⁹/l
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Serology for hepatitis B, C, HIV, CMV, and EBV were negative
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Anti-nuclear antibody and anti-double stranded DNA were negative
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Lactate dehydrogenase was within normal limits
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Direct Coombs test was negative
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Bone marrow aspiration was not conclusive
June 2012
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Splenectomy - splenomegaly and worsening thrombocytopenia
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Histopathology: "Lymphoid proliferation"
October 2012
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Worsening jaundice with conjugated hyperbilirubinemia
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Fibroscan score of F4
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Liver biopsy: Cholestatic liver injury with cirrhosis
January 2013 (Singapore)
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Worsening jaundice, ascites, fever and night sweats
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Menorrhagia and gingival bleeding
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Cachexia, scleral icterus, ascites, hepatomegaly & inguinal lymphadenopathy
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Repeat liver biopsy