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Related Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
The Auditory Ossicles01:11

The Auditory Ossicles

The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
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Tympanosclerosis revisited.

Kamaljit Kaur1, Nishi Sonkhya, A S Bapna

  • 1SMS Medical College & Hospital, Jaipur.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
Summary
This summary is machine-generated.

Tympanosclerosis affects 19% of chronic suppurative otitis media patients. Hearing loss severity correlates with tympanosclerosis location, with middle ear involvement indicating greater air-bone gap.

Keywords:
Tympanosclerosischronic suppurative otitis media (CSOM)hearing lossincidence

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Area of Science:

  • Otolaryngology
  • Pathology

Background:

  • Tympanosclerosis is a frequent finding in otologic surgery.
  • Its origins and optimal treatment remain subjects of ongoing research.

Purpose of the Study:

  • To determine the incidence of tympanosclerosis in chronic suppurative otitis media (CSOM) patients.
  • To investigate the relationship between hearing loss severity and the anatomical site of tympanosclerosis.

Main Methods:

  • Analysis of audiometric and surgical data from 200 CSOM patients.
  • Correlation of tympanosclerosis extent with air-bone gap measurements.

Main Results:

  • Tympanosclerosis incidence was 19% (38 out of 200 patients).
  • Cases limited to the tympanic membrane showed an air-bone gap <40 dB in 83.3%.
  • Cases involving both tympanic membrane and middle ear had an air-bone gap >40 dB in 75%.

Conclusions:

  • Tympanosclerosis is common in CSOM, often presenting with dry ears.
  • The extent of tympanosclerosis significantly correlates with conductive hearing loss severity.