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Cocaine consumption is associated with a variety of clinical manifestations. Though cocaine intranasal inhalation always determines nasal mucosal damages, extensive septum perforations, and midline destructions—known as cocaine-induced midline destructive lesions (CIMDL)—affect only a limited fraction of patients. CIMDL is viewed as a cocaine-associated autoimmune phenomenon in which the presence of atypical anti-neutrophil cytoplasmic antibody (ANCA) promotes and/or defines the disease phenotype. A 51-year-old man presented with an intracranial tumor-like lesion by its space-occupying effect. CT also revealed the destruction of the nasal septum and skull base. A diagnosis of CIMDL was made in light of the patient’s history as well as findings of the physical and endoscopic examinations, imaging studies, and laboratory testing. There was no evidence of other pathologies. Histopathological results from cerebral biopsy led us to consider the intracranial pathology as an extension of the CIMDL. CIMDL is the result of a necrotizing inflammatory tissue response triggered by cocaine abuse in a subset of predisposed patients. The reported case is the first CIMDL consistent with brain extension mimicking a tumor-like lesion. While the presence of atypical ANCA seems to promote and/or define the disease phenotype, the specific role of these and other circulating autoantibodies needs further investigation.

Snorting the Brain Away: Cerebral Damage as an Extension of Cocaine-Induced Midline Destructive Lesions