The American surgeon · 2021
A Multicenter, 10-Year Experience With Hepatocellular Adenoma: Risk Factors and Disease Course.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Silva Trevor S, Sung Michael, Nelson Daniel W, DiFronzo Andrew L, O'Connor Victoria V
Аннотация
BACKGROUND: Management of hepatocellular adenoma (HA) is marked by a paucity of recent studies. Long-term follow-up data from an equal access health care system may facilitate our understanding of the natural disease course of HA and identify modifiable risk factors.
METHODS: A multi-institutional, retrospective review of patients with HA from 2008-2017 was performed. Patient demographics, disease characteristics, and clinical outcomes were analyzed.
RESULTS: Of 124 patients identified, 94% were women with a mean age at diagnosis of 39.5 years (range 20-82). Median follow-up was 22.5 months (range 0-114) with thirty-four (27.4%) patients eventually undergoing hepatectomy. Mean BMI of the study population was 30.5 kg/m2 (range 16-72). Stratified by size, average BMI for adenomas ≥5 cm was 34 kg/m2 compared to 28 kg/m2 for those <5 cm (P < .05). The predominant symptom at presentation was abdominal pain (41.1%), while just 4% presented with acute rupture. Overall incidence of the malignancy was 2.5%. Among all patients, oral contraceptive use was documented in 74 (59.7%) patients, of whom 36 (29.0%) discontinued OC for at least six months. Regression after OC cessation occurred in seven patients (19.4%) while the majority (77.8%) remained stable.
DISCUSSION: This decade-long review analyzing the impact of modifiable risk factors identifies a direct correlation between BMI and hepatocellular adenoma size. Rupture and malignant transformation are rare entities. Cessation of OC appears to be an effective strategy in the management of hepatic adenoma. Further investigations are warranted to determine if addressing modifiable risk factors such as BMI might induce further HA regression.
METHODS: A multi-institutional, retrospective review of patients with HA from 2008-2017 was performed. Patient demographics, disease characteristics, and clinical outcomes were analyzed.
RESULTS: Of 124 patients identified, 94% were women with a mean age at diagnosis of 39.5 years (range 20-82). Median follow-up was 22.5 months (range 0-114) with thirty-four (27.4%) patients eventually undergoing hepatectomy. Mean BMI of the study population was 30.5 kg/m2 (range 16-72). Stratified by size, average BMI for adenomas ≥5 cm was 34 kg/m2 compared to 28 kg/m2 for those <5 cm (P < .05). The predominant symptom at presentation was abdominal pain (41.1%), while just 4% presented with acute rupture. Overall incidence of the malignancy was 2.5%. Among all patients, oral contraceptive use was documented in 74 (59.7%) patients, of whom 36 (29.0%) discontinued OC for at least six months. Regression after OC cessation occurred in seven patients (19.4%) while the majority (77.8%) remained stable.
DISCUSSION: This decade-long review analyzing the impact of modifiable risk factors identifies a direct correlation between BMI and hepatocellular adenoma size. Rupture and malignant transformation are rare entities. Cessation of OC appears to be an effective strategy in the management of hepatic adenoma. Further investigations are warranted to determine if addressing modifiable risk factors such as BMI might induce further HA regression.