Plane but not so simple: ultrasound-guided plane block of the medial brachial cutaneous and intercostal brachial nerves

To the editor,  We read with interest the study by Mangazzeni and colleagues on the novel use of ultrasound guidance for medial brachial cutaneous nerve (MBCN) and intercostal brachial nerve (ICBN) blocks.[1][1] We found that using the technique described by the authors[1][1] to supplement