Keratosis obturans: A rare cause of facial nerve palsy

Poudyal, Prasanta; Nepal, Gaurav; Yadav, Sushil Kumar; Neupane, Yogesh; Dutta, Heempali; Pokhrel, Shishir; Gaire, Prabin

doi:10.1002/ccr3.5410

Cited by 4 publications

(3 citation statements)

References 9 publications

(21 reference statements)

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“…As previously state, keratosis obturans is a keratin plug. Other symptoms would include widening of the canal, thickening of the tympanic membrane and hyperemia of the skin with granulations [ 8 ]. Bony involvement of this pathology is also diffuse along the ear canal.…”

Section: Discussionmentioning

confidence: 99%

“…Due to the invasive nature of cholesteatoma, the common modality is surgical intervention and debridement, depending on the grade, whereas keratosis obturans is commonly treated conservatively with removal of the keratin plug unless there is invasion into the structures below, which then requires surgical intervention [ 8 , 9 ]. Malignant otitis externa requires surgical debridement and antibiotics, particularly coverage for P. aeruginosa , as invasion into the underlying structures carries a high mortality risk [ 5 ].…”

Section: Discussionmentioning

confidence: 99%

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Benign osteonecrosis of the external ear canal: case series

Chandler¹,

Hawthorne²,

Georgolios³

2023

Journal of Surgical Case Reports

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Benign osteonecrosis of the external ear canal is a rare pathology that commonly gets misdiagnosed as cholesteatoma of the external ear canal, keratosis obturans and malignant otitis externa. Each pathology has characteristics that allow for differentiation between them. Careful analysis is required to diagnose properly and determine the best modality of management. This case series presents two patients that were diagnosed with benign osteonecrosis of the external ear canal and is being managed conservatively with serial debridement. Response to conservative treatment has resulted in adequate control of symptoms in both patients.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Benign osteonecrosis of the external ear canal: case series

Chandler¹,

Hawthorne²,

Georgolios³

2023

Journal of Surgical Case Reports

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“…Total resection is the treatment of choice; however, a high incidence of recurrence is registered. Complications are rare, but facial nerve palsy and dehiscence of adjacent bone structures have been reported in recent literature [46].…”

Section: Keratosis Obturansmentioning

confidence: 99%

Imaging of Pathologies of the Temporal Bone and Middle Ear: Inflammatory Diseases, Their Mimics and Potential Complications—Pictorial Review

Kloth,

Beck,

Sollmann

et al. 2023

Tomography

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Imaging of the temporal bone and middle ear is challenging for radiologists due to the abundance of distinct anatomical structures and the plethora of possible pathologies. The basis for a precise diagnosis is knowledge of the underlying anatomy as well as the clinical presentation and the individual patient’s otological status. In this article, we aimed to summarize the most common inflammatory lesions of the temporal bone and middle ear, describe their specific imaging characteristics, and highlight their differential diagnoses. First, we introduce anatomical and imaging fundamentals. Additionally, a point-to-point comparison of the radiological and histological features of the wide spectrum of inflammatory diseases of the temporal bone and middle ear in context with a review of the current literature and current trends is given.

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