Retraction pocket/atelectatic middle ear.
Helms
J
J
Kopfklinik Universität Würzburg, Germany.
D002648:Child; D002675:Child, Preschool; D018424:Cholesteatoma, Middle Ear / Q000473:pathology / Q000503:physiopathology*; D004432:Ear, Middle / Q000473:pathology / Q000503:physiopathology*; D005064:Eustachian Tube / Q000473:pathology / Q000503:physiopathology; D006801:Humans