From: A case of reactive lymphoid hyperplasia of the liver in a patient with autoimmune hepatitis
Variables | n = 76 | Percentage |
---|---|---|
Clinical characteristics | ||
 Age (ave, range) | 56.7 (15–85) |  |
 Sex |  |  |
  Male | 5 | 6.6 |
  Female | 71 | 93.4 |
 Liver diseases |  | 35.5 |
  Viral hepatitis B | 6 |  |
  Viral hepatitis C | 2 |  |
  Primary biliary cirrhosis | 14 |  |
  Non-alcoholic steatohepatitis | 2 |  |
  Autoimmune hepatitis | 3 |  |
 Autoimmune disorders |  | 17.1 |
  Chronic thyroiditis | 4 |  |
  Sjögren’s syndrome | 3 |  |
  Rheumatoid arthritis | 1 |  |
  Takayasu disease | 1 |  |
  Antiphospholipid syndrome | 1 |  |
  CREST syndrome | 1 |  |
  Immunodeficiency | 2 |  |
 Malignant tumor |  | 27.6 |
  Colon cancer | 6 |  |
  Gastric cancer | 5 |  |
  Renal cell carcinoma | 4 |  |
  Cervical cancer | 1 |  |
  Thyroid cancer | 1 |  |
  Bile duct cancer | 1 |  |
  Pancreatic cancer | 1 |  |
  Ovarian cancer | 1 |  |
  GIST | 1 |  |
 Number of nodules | ||
  Solitary | 61 | 84.7 |
  Multiple | 11 | 15.3 |
 Nodule size (ave, range) (mm) | ||
  < 20 | 65 | 81.3 |
  ≥ 20 | 15 | 18.7 |
 Location | ||
  Rt. lobe | 39 | 62.9 |
  Lt. lobe | 15 | 24.2 |
  Caudate lobe | 3 | 4.8 |
  Bilobar | 5 | 8.1 |
 Preoperative diagnosis |  |  |
  Hepatocellular carcinoma | 31 | 53.4 |
  Cholangiocellular carcinoma | 4 | 6.9 |
  Metastatic | 12 | 20.7 |
  Malignant tumor | 7 | 12.1 |
  Others | 4 | 6.9 |
 Treatment | ||
  Operation | 63 | 82.9 |
  Biopsy | 8 | 10.5 |
  Transplantation | 3 | 3.9 |
  Others | 2 | 2.6 |
Imaging findings (described) | ||
 US |  |  |
  Hypo | 39 | 51.3 |
  Iso | 1 | 1.3 |
  Unknown | 36 | 47.4 |
 CT (plain) |  |  |
  Low | 29 | 38.2 |
  Not detected | 2 | 2.6 |
  Unknown | 45 | 59.2 |
 CT (arterial phase) | ||
  Enhanced | 15 | 19.7 |
  Slightly enhanced | 15 | 19.7 |
  Perinodular enhancement | 9 | 11.8 |
  Not enhanced | 5 | 6.6 |
  Unknown | 32 | 42.1 |
 CT (portal or delay phase) |  |  |
  Washout | 23 | 30.3 |
  Perinodular enhancement | 8 | 10.5 |
  Not enhanced | 4 | 5.3 |
  Others | 5 | 6.6 |
  Unknown | 36 | 47.4 |
 MRI (T1WI) | ||
  Hypo | 42 | 55.3 |
  Slightly hypo | 4 | 5.3 |
  Unknown | 30 | 39.5 |
 MRI (T2WI) | ||
  Hyper | 38 | 50.0 |
  Slightly hyper | 5 | 6.6 |
  Iso | 3 | 3.9 |
  Unknown | 30 | 39.5 |
MRI (arterial phase) | ||
 Enhanced | 13 | 17.1 |
 Slightly enhanced | 14 | 18.4 |
 Perinodular enhancement | 8 | 10.5 |
 Others | 3 | 3.9 |
 Unknown | 38 | 50.0 |
MRI (portal or delay phase) | ||
 Washout | 19 | 25.0 |
 Perinodular enhancement | 8 | 10.5 |
 Others | 3 | 3.9 |
 Unknown | 46 | 60.5 |
 PET | ||
  Positive | 8 | 10.5 |
   SUV max (ave, range, n = 6) | 4.9(3.4–6.7) |  |
  Negative | 2 | 2.6 |
  Unknown | 66 | 86.8 |