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Recreational nasal cocaine use (RNCU) presents a significant challenge for rhinologists due to cocaine-induced midline destructive lesions (CIMDLs). This clinical consensus statement (CCS) offers guidelines for diagnosing, assessing, and managing both proven and suspected cases of CIMDL (including those without a prior RNCU history). It aims to support clinicians in addressing these complex cases effectively. An international, multidisciplinary panel of 18 specialists employed a three-round modified Delphi-method survey to evaluate statements covering CIMDL management issues such as definition, clinical evaluation and diagnosis, initial management approaches, and surgical management of complications and reconstructions. This study primarily targets otorhinolaryngologists. Out of 44 evaluated statements, 20 achieved strong consensus, 20 reached consensus, 3 approached near-consensus, and 1 failed to achieve consensus. Consensus-covered areas included the definition of CIMDL, clinical evaluations, first-line management, and management of complications. However, reconstructive techniques remained a contentious topic. In the absence of extensive data, this CCS establishes a management framework for CIMDL, significantly bridging a knowledge gap. It highlights the need for standardized assessments, multidisciplinary cooperation, and customized follow-up care for patients with CIMDL. Considering the widespread use of cocaine, physicians should consistently consider the possibility of RNCU when encountering chronic inflammatory lesions in the sinonasal tract.
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http://dx.doi.org/10.3390/jpm15060231 | DOI Listing |
Eur Arch Otorhinolaryngol
September 2025
Otorhinolaryngology and Skull Base Center, AP-HP, Hospital Lariboisière, Paris, 75010, France.
Purpose: Cocaine-induced midline destructive lesions (CIMDL) represent a rare but severe consequence of intranasal cocaine abuse, occasionally progressing to skull base involvement with life-threatening complications. The aim of this manuscript is to describe an exceptional case of CIMDL with clival destruction and brainstem exposure, and to review current management strategies based on a systematic literature review.
Methods: We report a unique case of a 39-year-old woman with CIMDL extending to the clivus, resulting in encephalocele with basilar artery and brainstem exposure.
Asian J Neurosurg
September 2025
Department of Neurosurgery, Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, United Kingdom.
Cocaine is among the most commonly used recreational drugs in Scotland, contributing to significant socioeconomic and severe health challenges. The prevalence of cocaine-induced midline destructive lesions (CIMDL) is rising due to increased cocaine insufflation. Here, we report a case of a patient who developed acute hydrocephalus and meningitis as complications of CIMDL due to long-term cocaine abuse.
View Article and Find Full Text PDFSurg Neurol Int
June 2025
Department of Neurosurgery, Istituto di Ricovero e Cura a Carattere Scientifico. Ospedale San Raffaele, Milan, Italy.
Background: The orbit is a complex anatomical region. Cocaine-induced midline destructive lesions (CIMDL) can severely damage the orbital walls. This study evaluates the effectiveness of the pericranial flap in reconstructing orbital defects in CIMDL patients, focusing on its proper positioning, stretching, and anchoring to the orbital bone.
View Article and Find Full Text PDFJ Pers Med
June 2025
Young Otolaryngologists-International Federation of Otorhinolaryngological Societies (Yo-IFOS), F-75000 Paris, France.
Recreational nasal cocaine use (RNCU) presents a significant challenge for rhinologists due to cocaine-induced midline destructive lesions (CIMDLs). This clinical consensus statement (CCS) offers guidelines for diagnosing, assessing, and managing both proven and suspected cases of CIMDL (including those without a prior RNCU history). It aims to support clinicians in addressing these complex cases effectively.
View Article and Find Full Text PDFBackground: Cocaine/Levamisole-Associated Autoimmune Syndrome (CLAAS) encompasses a spectrum of autoimmune and vasculitic phenomena, which includes Cocaine-Induced Midline Destructive Lesions (CIMDL), which can mimic ANCA-associated vasculitis (AAV) due to overlapping clinical features and the potential for ANCA positivity. These similarities can lead to misdiagnosis and inappropriate immunosuppressive therapy.
Methods: This study highlights a case series of seven patients (from 2015 to 2024) with CLAAS with its subset of CIMDL, initially misdiagnosed as active AAV, in patients who were referred to various clinicians in the Rheumatology unit of a Tertiary Hospital in the United Kingdom.