Sonographic Diagnosis of a Radial Nerve Schwannoma: Reflex Hammer "Showing Inside".

1 Department of Rehabilitation Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic 2 Department of Neurosurgery and Neurooncology, First Faculty of Medicine, Charles University and Military University Hospital Prague, Prague, Czech Republic 3 Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey Kamal Mezian and Levent Özçakar, both authors equally contributed as senior author. Correspondence: Martin Müller, Department of Rehabilitation Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Albertov 7/2049, 128 00 Nové Město Prague, Czech Republic, Mobile number: +420733279043. Email: [email protected] Data availability statement: All the data regarding the article are available within the manuscript. However, if further data are needed, they will be made available from the corresponding author upon reasonable request. Disclosure: The authors have no conflict of interest to declare. No financial support was provided for this research project. The patient consented to be presented in this article. This case has not been submitted to any other journal.