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Wilson's disease is a rare autosomal recessive condition. A defect on the copper carrier protein ATP7B prevents the excretion of copper, which then accumulates in several organs. The prognosis of Wilson's disease is favourable if the diagnosis is made early. The Leipzig criteria standardized phenotypic classification and diagnostic criteria, thus simplifying the diagnostic approach. A search for ATP7B mutations is not necessary for diagnostic purposes and studies of genotype-phenotype correlation have not produced any conclusive evidence so far. More information is needed to reliably assess the prognosis for each patient. Here we describe a young patient with a combination of two mutational variants: c.3402del and c.3061-12T>A. To our knowledge, this is the first report of this compound heterozygote genotype., Learning Points: Wilson's disease should be suspected in a young patient with subacute liver failure.The diagnostic approach to Wilson's disease can be difficult as there are a great variety of clinical scenarios.Further studies on matching genotypic variations with clinical phenotypes could improve the diagnosis and treatment of these patients., Competing Interests: Conflicts of Interests: The authors declare there are no competing interests., (© EFIM 2022.)

Acute copper toxicity is uncommon in Western countries and is often the result of accidental consumption or a suicide attempt. We report the case of a 65-year-old man presenting to the accident and emergency department after a suicide attempt with ingestion of Bordeaux mixture, ibuprofen, acetaminophen and bleach. Primary evaluation showed caustic oesophagitis, toxic hepatitis and acute renal injury, which were treated with supportive care. During admission, he developed a non-immune haemolytic anaemia associated with high levels of copper in urine and blood. Chelation treatment with penicillamine was started and evolution was favourable after 1 month of treatment. Copper poisoning can be lethal. Prompt diagnosis and treatment are key for a favourable prognosis., Learning Points: Acute copper intoxication is rare and early clinical suspicion and diagnosis are essential to reduce mortality.The diagnosis of copper poisoning should be based on clinical presentation and measurement of urine and blood copper levels in addition to serum ceruloplasmin levels.Treatment includes reduction of absorption, supportive measures, management of complications and chelation therapy., Competing Interests: Conflicts of Interests: The authors declare there are no competing interests., (© EFIM 2021.)

A 65-year-old man presented with a 2-year history of severe bilateral proptosis, palpable lymphadenopathy and moderate hepatosplenomegaly. A blood test was positive for hepatitis C infection. CT showed palpebral infiltrative lesions with regional progression through the temporal and masticatory spaces to the pharynx and hypopharynx causing almost complete airway obstruction. A palpebral biopsy was consistent with low-grade Bcl-2+ extra-nodal MALT non-Hodgkin B-cell lymphoma. The patient received six cycles of rituximab-based chemotherapy with clinical remission at 9-month follow-up. Bilateral proptosis is a rare presentation of several diseases. When brain CT excludes cavernous sinus pathology, thyroid ophthalmopathy or haematological malignancy should be considered., Learning Points: Bilateral proptosis is a rare presentation with a broad differential diagnosis, and is most frequently is caused by cavernous sinus disease, thyroid ophthalmopathy or haematological malignancy.Hepatitis C may be associated with MALT lymphoma and presents mainly at non-gastric locations even with few hepatic manifestations of the infection.Long-term low-grade lymphoma may present with severe disseminated disease at diagnosis, but treatment response is generally good., Competing Interests: Conflicts of Interests: The Authors declare that there are no competing interests.