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Unmasking the Masquerade: Lessons from a Case of Spontaneous Mid-Clival CSF Leak Mimicking an Ethmoidal Leak.
Spontaneous cerebrospinal fluid (CSF) leaks are an uncommon clinical entity, often challenging to diagnose accurately. We present a unique case of a patient with symptoms suggestive of an ethmoidal CSF leak, initially supported by radiological findings, but ultimately revealed to be a mid-clival CSF leak (from the posterior wall of the sphenoid sinus). This case underscores the complexities of diagnosing CSF leaks and highlights the importance of surgical exploration in cases where radiological evidence appears contradictory. The patient's Computed Tomography scan indicated a CSF leak in the cribriform plate, prompting a surgical approach to address this region. However, intraoperative findings surprisingly revealed no evidence of leak in the cribriform plate but instead a posterior wall of the sphenoid defect as the culprit. This report emphasizes the critical role of interdisciplinary collaboration, meticulous preoperative and intraoperative assessment, and adaptability in managing challenging cases of CSF leaks, ultimately leading to successful surgical repair and improved patient outcomes. It serves as a valuable reminder for clinicians to consider the possibility of a masquerading CSF leak when clinical and radiological findings do not align, thereby facilitating more precise diagnosis and targeted treatment.
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