Cogan's Syndrome (CS) is a rare autoimmune disorder that primarily affects the eyes and ears, leading to symptoms such as interstitial keratitis (inflammation of the cornea) and sensorineural ...

These symptoms are not, however, a consequence of arterial occlusion. Elevated serum and CSF levels of lactate and pyruvate are key features of mitochondriopathy in MELAS. Cogan syndrome ...