Long-term outcomes in patients with ulnar neuropathy at the elbow treated according to the presumed aetiology

In our previous publications (Omejec and Podnar, 2015, 2016b), we presented evidence that idiopathic ulnar neuropathy at the elbow (UNE) mainly consists of two conditions occurring 2-5 cm apart. In the first condition, affecting about 15% of UNE patients (Omejec and Podnar, 2016b), the ulnar nerve is entrapped 2-3 cm distal to the medial epicondyle (ME) under the humeroulnar aponeurosis (HUA), i.e., in the cubital tunnel (Omejec and Podnar, 2015). In the second condition, affecting the majority (about 85%) of patients (Omejec and Podnar, 2016b), the lesion is located at the ME or up to 4 cm proximally in the retrocondylar groove (RTC) (Omejec and Podnar, 2015).

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