Otopathology Webcasts

The otopathology webcasts are recordings of the Otopathology Conferences hosted on a quarterly basis at Massachusetts Eye and Ear. Each webcast is approximately 60 minutes in length. If you would like to be added to the email list for upcoming conferences, please email enteducation@meei.harvard.edu.

Upcoming conference dates all starting at 5:00 pm EST:

  • Wednesday, Jan. 19, 2022
  • Wednesday, March 16, 2022
  • Wednesday, May 18, 2022
  • Wednesday, Oct. 12, 2022


January 2022

DFNA9 Hearing Loss and Balance Disorder


January 2021

Charge Syndrome: Otopathology and Radiologic Correlates

March 2021

Meniere’s Disease: Endolymphatic Shunt Surgery and MRI Diagnostics

May 2021

Cochlear Nerve Schwannoma and Otosclerosis

October 2021

Facial Schwannoma


January 2020

Enlarged vestibular aqueduct and incomplete partition type II

March 2020

Immune-mediated hearing loss

October 2020

Autosomal Dominant Sensorineural Hearing Loss


January 2019

Meniere’s disease with endolymphatic sac decompression, intratympanic gentamicin injections, and suboccipital vestibular neurectomy.

March 2019

Kleefstra Syndrome.

May 2019

Congenital anomalies of the ossicles

October 2019

Otopathology of head injury.


January 2018

Squamous cell carcinoma of the temporal bone.

May 2018

Asymptomatic schwannoma of the facial nerve.

October 2018

Otopathology of the CHARGE Association.


January 2017

Rapidly progressive sensorineural hearing loss.

March 2017

Surgical pathology of the temporal bone following resection of an acoustic neuroma.

May 2017

Alport syndrome.

October 2017

Lateral canal fenestration procedure for otosclerosis.


January 2016

Aberrant internal carotid artery.

March 2016

Angiosarcoma of the temporal bone.

May 2016

Squamous cell carcinoma arising in a surgical mastoid bowl.

October 2016

Cerebellar ataxia-neuropathy-vestibular areflexia syndrome (CANVAS).


March 2015

Perineural spread of squamous cell carcinoma in the facial nerve.

May 2015

Role of immunostaining in quantitative otopathology.

October 2015

Surgical pathology following labyrinthectomy for Meniere’s syndrome.


January 2014

Type II Collagenopathy.

March 2014


May 2014

Otopathology of a cochlear implant.

October 2014

Bilateral sensorineural hearing loss and cysts of the internal auditory canals.


January 2013

A 78-year-old man with bilateral conductive hearing loss.

March 2013

Wegener’s granulomatosis.

October 2013

Neural presbycusis.


January 2012

An 83-year-old woman with otosclerosis who underwent a stapedotomy. Includes a presentation by Dr. Alicia Quesnel on radiologic-pathologic correlations in otosclerosis.

March 2012

A 44-year-old woman with xeroderma pigmentosum (XP) mutation in the XPA DNA repair gene and a bilateral progressive sensorineural hearing loss.

May 2012

A 74-year-old patient with bilateral mixed hearing loss, bilateral stapedectomy, and bilateral cochlear implants.

September 2012

A 94-year-old woman with a history of sudden unilateral sensorineural hearing loss and vertigo.

November 2012

Dandy’s Syndrome (bilateral vestibular areflexia and oscillopsia).


January 2011

A 62-year-old woman with superior semicircular canal dehiscence (SCD) syndrome. Includes a review by Dr. John Carey of SCD in a histological survey of 1,000 temporal bones.

March 2011

A 53-year-old man with post-lingual deafness due to auditory neuropathy caused by a hereditary disorder (Mohr-Tranebjaerg syndrome). Includes a discussion by Dr. Albert Edge on approaches using neural regeneration as potential treatment.

May 2011

A 53-year-old man with bilateral Meniere’s syndrome. Includes a discussion by Dr. Joe Adams on mechanisms involved in fluid-ion homeostasis within the inner ear.

October 2011

A newborn child with sensorineural hearing loss caused by selective loss of inner hair cells. Includes results of a study on the same topic by Drs. Amatuzzi, Liberman, and Northrop, and a discussion of the possible role of thiamine deficiency in causing this type of pathology.

December 2011

A 90-year-old woman with episodic vertigo who had undergone a cochleosacculotomy procedure. Includes a discussion about Meniere’s syndrome, vestibular migraine, and capacity of the cochlea to mount a healing response.


January 2010

Features cases of the nonsyndromic deafness, DFNA9, including clinical features, histopathology, and genetics. It includes a discussion of the many insights in basic science and in clinical medicine gained as a result of the study of DFNA9.

March 2010

A 77-year-old man with otosclerosis who underwent a stapes mobilization in the right ear and a stapedectomy in the left ear. Both procedures were unsuccessful. Includes a discussion of causes of residual and recurrent conductive hearing loss after stapedectomy.

May 2010

A 51-year-old woman with hearing loss due to Susac’s syndrome. Includes an overview of the syndrome by Dr. John Susac, a description of ophthalmic pathology by Dr. Gerard Lutty, and a description of the otopathology.

July 2010

A 52-year-old woman with hearing loss due to MELAS syndrome. Includes an overview of mitochondrial disorders by Dr. Katherine Sims, a description of the otopathology, and a discussion of basic and clinical implications.

September 2010

A 57-year-old man with profound hearing loss due to superficial siderosis; he was treated with a cochlear implant. Includes a review of siderosis with emphasis on its otologic manifestations and a discussion of otopathology after cochlear implantation.


January 2009

An 82-year-old woman with chronic otitis media. Includes a discussion of pathogenesis of congenital cholesteatoma and histopathology of mastoidectomy with surgical implications.

February 2009

A 48-year-old man with sensorineural hearing loss occurring in early childhood. Includes a discussion by Prof. Lisbeth Tranebjærg about Wolfram syndrome and genetics of hearing loss in the setting of other neurodegenerative diseases.

March 2009

A newborn baby boy with bilateral congenital aural atresia. Surgical implications are discussed. Also includes a presentation of a study of the Scala Communis anomaly, with implications for its radiological diagnosis.

May 2009

A 92-year-old woman with hearing loss and vertigo due to Meniere’s syndrome. Also, includes a study of the histopathology after endolymphatic sac decompression surgery for Meniere’s syndrome.

September 2009

A 91-year-old woman with bilateral severe hearing loss due to extensive otosclerosis. She had a stapedectomy and labyrinthectomy in one ear. The discussion includes histologic aspects of otosclerosis with clinical and surgical relevance. Also included is a demonstration of various resources featured on our former website.

October 2009

A 34-year-old woman with bilateral hearing loss due to neurofibromatosis type 2 (NF2). Also includes a general discussion of NF2 and determinants of hearing loss in vestibular schwannoma.


January 2008

A 77-year-old man with history of noise exposure and accelerated presbycusis. Includes a discussion of correlation of audiometric and histopathologic data and recent basic research on long-term effects of noise exposure.

February 2008

A 100-year-old woman with unoperated acoustic neuroma. Includes a discussion of the histopathology and mechanisms of hearing loss from acoustic neuromas.

March 2008

A 74-year-old woman with otosclerosis and stapedectomy. Includes a discussion of pathogenesis of otosclerosis.

April 2008

A 24-year-old man with sensorineural hearing loss due to Wolfram’s syndrome. Includes a discussion of clinical manifestations of the syndrome and its neuropathology and otopathology.

May 2008

An 88-year-old woman with sensorineural hearing loss due to strial atrophy. Includes a discussion of phenotypes of strial atrophy, as well as physiology and pathophysiology of the lateral cochlear wall.

September 2008

A 68-year-old woman with progressive hearing loss due to cochlear atrophy. Includes a discussion of relevance of the pathology to cochlear implantation.

November 2008

An 88-year-old man with hearing loss due to a temporal bone fracture. Includes a discussion on types of temporal bone fractures, their histopathology, and long-term complications arising from fractures.