V. Baeyer chose this spelling to distinguish his concept from synapsis (synapse) in neuroanatomy and synapsis in cytology.
Von Baeyer H: Zur behandlung des metatarsalschmerzes. Münch Med Wochenschr 56 : 2002, 1909.
Männikkö K & Sahlman J: The effect of metatarsal padding on pain and functional ability in metatarsalgia. Scand J Surg 106 : 332, 2017.
Lehr H: Über den vorderfußschmerz. Zeitschr f Orthop Chirurg 21 : 485, 1908.
Georg Hohmann (1880–1970), German orthopedic surgeon, professor in Munich and Frankfurt; colleague and obituarist of Hans von Baeyer. Refs: Hohmann G: Über den vorderfußschmerz. Zentralbl f chir u mechan Orth 3: 1, 1909. Hohmann G. Fuß und Bein, ihre Erkrankung und deren Behandlung, Springer, Berlin, 1923 (5th Ed, 1951).
Alfred Schanz (1868–1931), German orthopedic surgeon. Ref: Schanz A: Fuss und Schuh – eine Abhandlung für Aerzte, Schuhmacher und Fussleidende, Enke, Stuttgart, Germany, 1905.
Celluloid was one of the first thermoplastics; it was prepared by Alexander Parkes in 1856 and patented as Parkesine in 1862.
This English translation of the 1909 letter by the internationally recognized orthopedic surgeon Hans von Baeyer fills a gap in our knowledge of the history of the practical treatment of metatarsalgia.
Department of Anatomy, School of Medical Sciences, University of New South Wales, Sydney, Australia 2052. (E-mail: b.freeman@unsw.edu.au)