You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following statements about CSF leak are true, except: and explain in detail?
High Resolution Fine Cut CT Scan (HRCT) is the best investigation of choice to identify the most likely site of Cerebrospinal fluid l(CSF) leak. A high resolution T2 - weighted MRI (Not Tl-weighted) may allow visualization of fluid within the sinuses but will allow identification of the site of leak only if the patient is leaking actively at the time of MRI. Thus MRI is not the best investigation.