Benign Lesions Of The External Auditory Canal

Cross Sectional Imaging of the Ear and Temporal Bone

“…If an opacity causes focal obliteration of the EAC lumen and there is associated expansile widening and smooth scalloping of the surrounding walls but no frank bone erosion, keratosis obturans (Fig. 5) should be considered [5,6].…”

Keratosis obturans complicated with facial nerve palsy: a diagnostic dilemma

“…Keratosis obturans usually affects younger age group, occurs bilaterally and manifests as severe otalgia, conductive hearing loss and widened ear canal. 5 Otorrhea is considered a rare presentation. 5 Seventy seven percent of children and twenty present of adults have an associated sinusitis and bronchiectasis which is due to reflex sympathetic autonomic activation leading to excessive cerumen secretion thus epidermal plug formation.…”

“… 5 Otorrhea is considered a rare presentation. 5 Seventy seven percent of children and twenty present of adults have an associated sinusitis and bronchiectasis which is due to reflex sympathetic autonomic activation leading to excessive cerumen secretion thus epidermal plug formation. 6 …”

A Recurrent Misdiagnosed and Maltreated Case of Keratosis Obturans

“…Moreover, patients with KO can present with an extremely wide, circumferentially distended ear canal with an intact annulus “suspended in the air.” Our patient presented with a similar finding, but the annulus was not suspended in the air [ 10 ]. Otorrhea is a rare finding in KO, and bilateral occurrences are more common in children [ 11 , 12 ]. Our patient had a previous history of sinusitis for which he was operated and treated.…”