Abstract
Marchiafava-Bignami disease (MBD) is an uncommon condition that is mainly linked to prolonged alcoholism and nutritional deficits. It is characterised by necrosis and demyelination of the corpus callosum. Due to its rarity and vague clinical signs, this disorder can frequently be misdiagnosed. It manifests as a range of neurological symptoms, from altered awareness to motor impairments. We present a 24-year-old man in this case report who has a history of intravenous drug use, chronic alcohol intake, and recent binge drinking.He presented with a 10-day history of constipation, vomiting, and a high-grade continuous fever. Over two days, the patient’s condition deteriorated into a drowsy state with abdominal pain.On examination, the patient was drowsy but arousable, with stable vital signs except for hypertension. Neurological findings indicated reduced deep tendon reflexes, hypotonia, and neck stiffness. A systemic workup revealed normal brain CT findings, however, diffusion limitation was seen in the corpus callosum's splenium on MRI, along with mild oedema and T2/FLAIR hyperintensity. The lumbar puncture showed lymphocytic predominance, low CSF glucose, and elevated protein levels suggestive of a possible CNS infection. The differential diagnosis included Marchiafava-Bignami disease (MBD) and cytotoxic lesions of the corpus callosum (CLOCCs).The patient was managed with intravenous steroids, empirical antitubercular therapy (ATT), broad-spectrum antibiotics, and supportive care, including airway protection via intubation. Despite the late diagnosis, the clinical history of chronic alcoholism, recent binge, and imaging findings confirmed MBD. Early recognition and treatment of this disorder can improve neurological outcomes. The present study emphasises how crucial it is to take MBD into account when making a differential diagnosis for alcohol-related encephalopathies, especially in individuals who have neurological decline and prolonged alcohol consumption.
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