Acquired medial canal fibrosis is a discrete clinicopathologicalentity characterized by formation ol fibrous tissue in the bony external auditory meatus. Over a seven-year period, a total of 14 operative procedures were performed on 12 ears involving 10 patients. Four cases had followed otitis externa, two were complications of suppurative otitis media, and three cases were iatrogenic. The caus...

IMPORTANCE In the limited number of Crohn disease cases involving the head and neck, there is a predilection for mucosal surfaces and rare reports of involvement in the postauricular region. To our knowledge, in all previously reported cases involving the head and neck, the patients had a known diagnosis of Crohn disease. OBSERVATIONS This case describes a 10-year-old boy with a history of ps...

Ein Erratum zu dieser Publikation wurde veröffentlicht: https://doi.org/10.1007/s00106-020-00952-8