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Anatomy of the Ear

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 membrane

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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...

Respiratory System Abnormal Finding II: Palpation and Auscultation

Respiratory System Abnormal Finding II: Palpation and Auscultation

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Palpation Findings
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The Auditory Ossicles

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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.

Respiratory System Abnormal Finding I: Inspection and Percussion

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Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
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Endoscopic Cholesteatoma Surgery

Endoscopic Cholesteatoma Surgery

Published on: January 19, 2022

Tympanic membrane cholesteatoma: a rare finding.

Sinan Atmaca¹, Ender Seçkin, Mehmet Koyuncu

¹Department of Otolaryngology and Head and Neck Surgery, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey.

The Turkish Journal of Pediatrics

|August 20, 2010

Summary

A rare case of tympanic membrane cholesteatoma was found in a two-year-old girl. This condition, often without prior ear trauma or surgery, requires early diagnosis and treatment to prevent complications.

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Area of Science:

Otolaryngology
Pediatric Medicine
Dermatology

Background:

Cholesteatoma of the tympanic membrane is an uncommon condition, particularly in young children without a history of ear trauma or surgery.
The precise cause of tympanic membrane cholesteatoma remains poorly understood, highlighting a gap in current medical knowledge.

Observation:

A case study involving a two-year-old female presenting with a rare finding of cholesteatoma on the tympanic membrane is detailed.
The clinical presentation, disease progression, and therapeutic strategies for this rare pediatric condition are examined.

Findings:

A whitish discoloration on the tympanic membrane serves as a critical clinical sign suggestive of cholesteatoma.
The study underscores the rarity of non-traumatic, non-surgical tympanic membrane cholesteatoma in pediatric patients.

Implications:

Prompt identification and intervention are crucial for successful surgical removal and to mitigate the risk of middle ear disease.
This case contributes to the limited literature on pediatric tympanic membrane cholesteatoma, emphasizing the need for heightened clinical suspicion.