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Backgrounds/aims: Liver diseases may affect the liver heterogeneously, especially in autoimmune hepatitis (AIH). Hence, the aim of this study was to assess the added benefit of double biopsy of both liver lobes during minilaparoscopy in guiding treatment decisions in patients with AIH., Methods: We identified all patients with AIH or variant syndromes (AIH/PBC and AIH/PSC) at our center, who underwent a double biopsy of both liver lobes via minilaparoscopy between 01/2016 and 12/2020., Results: A total of 114 patients received a biopsy of both liver lobes (AIH: N = 83, AIH/PBC: N = 26, AIH/PSC: N = 7). Differences in inflammatory activity as assessed by Ishaks's modified hepatitis activity index (mHAI) were observed in 72 (63%) patients. The difference was ≥2/18 points and ≥3/18 points in 32 (28%) and 11 (10%) patients, respectively. Starting or intensification of immunosuppression should be discussed at a mHAI of 4-5, while a mHAI≥6 prompts intensified immunosuppression in most cases. In 19/114 (17%) and 17/114 (15%) patients mHAI ≥4 or ≥6 was found in only one liver lobe, respectively. In ten patients, severe fibrosis (≥F3) was only found in one liver biopsy. Overall, therapeutically relevant histological differences were observed in 39/114 (34%) patients, which had a direct impact on treatment decisions in 24 patients (21%). No major adverse outcome occurred by taking biopsies from both liver lobes., Conclusions: Obtaining a double biopsy of both liver lobes is a safe procedure during minilaparoscopy that results in more accurate grading and staging and that may impact on treatment decisions in patients with AIH., (© 2023 The Authors. Liver International published by John Wiley & Sons Ltd.)

Liver test abnormalities have been described in up to 60% of patients with systemic lupus erythematodes (SLE) at some point during the course of their disease. Prior treatment with potentially hepatotoxic drugs or viral hepatitis is commonly considered to be the main cause of liver disease in SLE patients. However, in rare cases elevated liver enzymes may be due to concurrent autoimmune hepatitis (AIH). To distinguish whether the patient has primary liver disease with associated autoimmune clinical and laboratory features resembling SLE - such as AIH - or the elevation of liver enzymes is a manifestation of SLE remains a difficult challenge for the treating physician. Here, we present six female patients with complex autoimmune disorders and hepatitis. Patient charts were reviewed in order to investigate the complex relationship between SLE and AIH. All patients had coexisting autoimmune disease in their medical history. At the time of diagnosis of AIH, patients presented with arthralgia, abdominal complaints, cutaneous involvement and fatigue as common symptoms. All patients fulfilled the current diagnostic criteria of both, AIH and SLE. Remission of acute hepatitis was achieved in all cases after the initiation of immunosuppressive therapy. In addition to this case study a literature review was conducted.