Stenotic ear canal

Auditory Canal Atresia or Stenosis Auditory canal atresia is a developmental absence of the external auditory canal. It is often associated with microtia (a poorly developed outer ear). One ear is typically affected, but both ears can be atretic Ear canal exostoses are bony growths in the ear canal. Swimming in cold water often causes them. Ear canal stenosis can be caused by repeated ear canal infections that cause scarring. Some children are born with stenosis. Children with exostoses or stenosis often have many ear canal infections. The Children's Hearing Center team will. The external auditory canalis often stenoticand vertically oriented. The atresia plate may be membranous or bony; the bony plate may be thick or thin Skeletal malformations can manifest as craniosynostosis, mid-face retrusion with proptosis and choanal stenosis or atresia, low-set dysplastic ears with stenotic external auditory canals, hydrocephalus, radiohumeral synostosis, neonatal fractures, congenital bowing of the long bones, joint contractures, arachnodactyly, and clubfeet; other anomalies observed include urinary tract anomalies (renal pelvic dilatation, vesicoureteral reflux) The client had a narrowing of the bony portion of her ear canal which had caused earwax to get lodged and trapped. The bony portion of the ear canal is the.

Auditory Canal Atresia or Stenosis Center for Neuroscience

  1. Treatment of a stenotic ear canal depends on the cause of the stenosis. Dr Wajid : Surgery can widen a narrow canal. A surgeon removes extra tissue or built-up scar tissue, leaving the canal a wider size. Dr Wajid
  2. The otomicroscopy and the otoendoscopy showed an easy to blood, totally stenotic external auditory canal (EAC) bilaterally. Tympanic membrane was not visible, bilaterally. in the available literature some surgical approaches to settle the stenosis of the ear canal are reported,.
  3. Narrowing of the ear canal. If you have long-term (chronic) otitis externa, thick and dry skin can build up inside your ear canal. This causes the ear canal to narrow (stenosis), which may affect your hearing and, in rare cases, can even cause deafness. However, it can usually be treated with ear drops. Inflamed or perforated eardru

(Canal lock) Amplification, communications, teleprompter, law enforcement, stenotic ear opener (order ear opener on the comment line of the order form, available in Acrylic only) Available Materials: Acrylic, Acrylic with Flex Canal, Acrylic with hard or soft e-Compound canal, Formula II, Formula II Clear, Rx, Superflex, OtoBlast℠In a stenotic ear canal, a 3½ or 5-Fr catheter is threaded into the stenosis if possible. Contrast agent is then infused beyond the stenosis. An open-mouth view of the bullae is then taken, using a horizontal x-ray beam. If the eardrum is intact, there will be a distinct contrast/air interface at the eardrum Stenotic ear canals (narrow ear canals) can occur in up to 40-50% of infants with Down syndrome. Narrow ear canals can make the diagnosis of middle ear disease difficult. Cleaning of the ear canals by an ENT specialist is often necessary to ensure proper examination and diagnosis

Tag: stenotic ear canal. 11 Comments. Updated on October 6, 2013 Ear Disease in Dogs: Part Two. If your dog suffers from ear disease, this blog's for you! Ear problems can be so darned frustrating to deal with, primarily because they are so prone to recurrence. Part One of this series focused on the anatom stenotic canal with hypoplastic middle ear and some malformation of the ossicles), Nager described an endaural approach to widen the stenotic ear canal and address any middle [emedicine.medscape.com] Otosclerosis usually results in conductive hearing loss, a hearing loss caused by a problem in the outer or middle ear An internal auditory canal (IAC) measuring less than 2 mm in vertical dimension by high-resolution temporal bone computed tomography (CT) is considered stenotic. Approximately 12% of patients with congenital sensorineural hearing loss have radiographic evidence of inner ear abnormalities including IAC stenosis The large external ear (pinna) narrows down into a very narrow (stenotic) ear canal, which can be especially pronounced in lop eared rabbits. The ear canal is made of three cartilages - auricular, annular and scutiform cartilages. The auricular cartilage (the whole large ear!) is much bigger than the small straw like tube structure that is.

We offer a surgical solution to the chronically infected, painful, stenotic ear canal. This procedure is called a Total Ear Canal Ablation. In this surgery, we carefully remove all of the diseased tissue, including the external ear canal itself. The skin below the ear flap is closed over the defect producing an excellent cosmetic result Surgical management of chronic otitis typically restores the ear's self-cleaning function by: Removing proliferative, obstructive, neoplastic, and/or infected tissue Promoting ventilation and drainage of the ear canal by removing stenotic tissue and decreasing the ear canal's length Thus, children with elliptical shaped auditory meatal openings or stenotic ear canals may not demonstrate reliable tympanogram tracings. When there is a relative vacuum in the middle ear there will.. Patients generally suffer from conductive hearing loss. Surgery is the treatment of choice for posttraumatic canal stenosis. The main objective of the surgery is to produce a dry, patent ear canal by removing the stenotic segment, enlarging the bony canal, and performing wide meatoplasty

Ear Canal Exostoses and Ear Canal Stenosis - Stanford

  1. Narrowed (stenotic) ear canals The normal ear canalis a wide-open structure. When narrowed, it prevents normal air circulation and predisposes to accumulation of waxy discharge. Both of these factors create the perfect storm for infection to occur
  2. Stenotic Ears; Certain breeds, such as Shar-peis dogs, have extremely narrow and excessively folded ear canals. These conditions impeded normal exposure to air and potentiate the accumulation of excessive secretions and the proliferation of resident microorganisms. Ear canal masses are surgically excised where feasible. In some instances.
  3. Approximately 1 in 5 patients with congenital aural stenosis were found to have ear canal cholesteatoma. Female sex is a risk factor; basic audiometric parameters provide no diagnostic utility in distinguishing ears with cholesteatoma from those without cholesteatoma. Acquired ear canal cholesteatoma in congenital aural atresia/stenosi

Stenotic-ear-canals: Causes & Reasons - Symptom

  1. Treatment for hyperplastic and stenotic ear canals. In many patients with chronic Pseudomonas otitis, the ear canals are swollen, hyperplastic, and severely inflamed, leading to stenosis of the canal. These chronic changes must be reduced and reversed from the outset so the ear canal and tympanic membrane can be evaluated, the ear canal cleaned.
  2. Stenotic Ear Canals. A common finding in dogs with otitis externa is a narrowed ear canal. Within the tube of skin that makes up the external ear canal, any swelling translates to decreased lumen diameter. When the lumen of the ear canal becomes narrowed or occluded, stenosis results (Figure 7-2)
  3. Pain, tenderness and itching could accompany a scratched ear canal, especially if the scratch develops into an external ear infection. Pain resulting from this type of infection typically worsens if you pull gently on your child's ear lobe, and the ear canal might appear swollen or red if you look inside the ear
  4. Closing of the ear canal is another result of a chronic ear infection. This is known as hyperplasia or stenosis. If the ear canal is swollen, it is difficult or impossible for medications to penetrate into the horizontal canal. Anti-inflammatory medications can sometimes shrink the swollen tissues and open the canal in some dogs

Ear canals that are drastically narrowed are known as stenotic ear canals. In some cases, the ear canals become so stenotic (narrow) that it is impossible to treat them medically. 2  In this situation, surgery may be the only option for your dog. Ear Hematomas Lead to Cauliflower Ear Approximate Synonyms. Acquired external ear canal stenosis; Acquired stenosis of external ear canal; ICD-10-CM H61.309 is grouped within Diagnostic Related Group(s) (MS-DRG v 38.0):. 154 Other ear, nose, mouth and throat diagnoses with mcc; 155 Other ear, nose, mouth and throat diagnoses with cc; 156 Other ear, nose, mouth and throat diagnoses without cc/mcc; Convert H61.309 to ICD-9-C Ear canal atresia and ear canal stenosis are serious concerns not only for the present, but for the long-term hearing health of the patient. At Coastal ENT, we will diagnose the severity of the condition and use our state-of-the-art surgical techniques, if needed, to create a brighter future A 14-year old white male presented with a 2-year history of bilateral otorrhea. Purulent otorrhea with very stenotic external auditory canals (EAC) were found, and the patient was treated with topical otic solutions. Bilateral conductive hearing loss was found on audiometric studies. Biopsies were taken after the patient failed medical treatment

Congenital stenotic ear canal; Hairy ear canals; Food allergies; Excessive moisture in the ears; Management Begins with Ear Cleaning. Ear cleaning is an integral part of the management of otitis externa and should be performed any time there is ceruminous or purulent discharge in the external ear canal. This step of the otic examination allows. Seb even I googled for stents to hold the ear canal open but could not find something useful. Please post the link when you come across the article again. It would be useful for one of my friends. seb. August 27, 2017, 7:41pm #13. Ruby, Google ear stenosis and stents and several articles come up.. Stenotic ear canals (narrow ear canals) can occur in 40 to 50 percent of infants with Down syndrome. Narrow ear canals can make the diagnosis of middle ear disease difficult h Identify anatomic abnormalities within the ear canal contributing to disease (e.g., masses, stenotic ear canals due to conformation or chronic changes) h Identify any clinical signs consistent with potential underlying causes Perform cytologic examination on both ears: h Evaluate for presence of bacteria, WBCs, yeast, ectoparasites, and. stenotic ear canal Anatomically, it does not take as much cerumen to occlude a small ear canal than to occlude a larger canal. Individuals with stenotic external auditory canals tend to have a proclivity for cerumen impactions

Stenotic ear canals (narrow ear canals) can occur in up to 40-50% of infants with Down syndrome. Narrow ear canals can make the diagnosis of middle ear disease difficult. Cleaning of the ear canals by a specialist is often necessary to ensure proper examination and diagnosis. Ear canals grow with age, and may no longer be of concern after age. OTC hydrogen peroxide or enzyme-containing ear drops can be administered daily for a few days to dissolve the impacted earwax so that it can move more easily out of the ear canal. 2. Ear irrigation. This process involves flushing your ear canal with a controlled, pressurized flow of warm water to dislodge and expel the impacted/excess earwax Ear canal problems can also cause CHL when they are severe. For example, complete cerumen impaction, aural atresia or stenosis and severe otitis externa cause CHL. CHL may be temporary or permanent. After obtaining a thorough medical history, hearing is evaluated by comprehensive audiometry (hearing tests) including pure tone testing, speech. canalplasty: ENT A procedure used to repair defects of the external auditory canal by removing abnormal bone growth-eg, anterior overhang or exostosis, removal and replacement of intractably infected mucocutaneous tissue in the canal and enlargement or straightening of a stenotic or tortuous external auditory canal

The most common semicircular canal abnormality accompanying a stenotic cochlear nerve canal was lateral semicircular canal dilatation (n = 5). Out of the 65 ears with a stenotic cochlear nerve canal, 17 ears (26 per cent) had cochlear abnormalities . The correlation was not as strong as p = 0.05 The contralateral external auditory canal was stenotic and the ossicles were dysplastic. Introduction Internal auditory canal (IAC) anomalies, including atresia, stenosis, aplasia and hypoplasia, are all uncommon; only 20% of the patients with congenital sensorineural hearing loss (SNHL) have inner ear abnormalities visible on CT If a semblance of an external auditory meatus (outer opening) is present, the ear canal may end in a shallow blind pouch. In less severe forms of the disorder, the ear canal may be stenotic (narrow) with a pinpoint aperture leading into the medial ear canal and, possibly, a rudimentary tympanic membrane Patients with stenotic ear canals are also at increased risk of external canal cholesteatomas, which can erode through the middle ear and thus require surgical intervention. [22] The most common postoperative complications of aural atresia repair include lateralization of the tympanic membrane graft (25%), restenosis of the canal (8%. If the ear canal becomes completely stenotic and chronically infected, medical management can no longer be expected to help. We offer a surgical solution to the chronically infected, painful, stenotic ear canal. This procedure is called a Total Ear Canal Ablation. In this surgery, we carefully remove all of the diseased tissue, including the.

Stenosis of the external auditory canal (Concept Id: C0395837

Auricular ossification may be bilateral or unilateral, and it is more common in males. We report a case of auricular ossification in a man who presented with left aural fullness, conductive hearing loss, and a stenotic left external auditory meatus. Case report. A 49-year-old man presented with left aural fullness and a 15-dB hearing loss However, both ear canals are approximately 6 mm in width and 12 mm in height at the canal opening. Both ear canals had sharp posterior bends, and the left canal was collapsing. At the first bend, the canal size was 2 mm x 8 mm. At the second bend, the canal made a reverse angle and its size reduced to 3 mm x 5 mm Each ear was considered to represent one sample, and 69 ears were examined, since one dog presented with one completely stenotic ear canal. Ear mites were diagnosed in 59.42% (41/69) through video otoscopy. The same 41 infested ear canals were detected by means of cerumen examination under a microscope, whereas conventional otoscopy was able to.

Stenotic Ear Canal Revealed After Ear Wax Removal - Mr

However, some babies with this defect also will have a narrow or missing ear canal. Types of Microtia. There are four types of microtia, ranging from Type 1 to Type 4. Type 1 is the mildest form, where the ear retains its normal shape, but is smaller than usual. Type 4 is the most severe type where all external ear structures are missing —anotia treatments (lateral ear canal resection, vertical ear canal resection and total ear canal ablation alone) of otitis externa has failed and is beneficial with severely stenotic ear canals White, 2003. Total ear canal ablation alone is contraindicated due to high risks of concurrent otitis media (Cole et al., 1998 The present study aims to restudy the correlation between the internal auditory meatus (IAM), the cochlear nerve canal (CNC), the cochlear nerve (CN) and inner ear malformations. In this retrospective study design, the abnormal diameter of the IAM, CNC and CN in patients with any kind of inner ear malformations was evaluated using multi-slice spiral computed tomography (MSCT) (37 patients) and. For example, unhealthy environments, improper hygiene, anatomically pendulous (floppy) ears, abnormally small ear canals (stenotic canals) increased numbers of apocrine (wax) glands and hair follicles in the ear canal; chronic exposure to water (via swimming, etc.) and increased moisture in the ear canal; other predisposing medical conditions. anatomical factors (eg- long pendulous ears in the Basset Hound or stenotic ear canals in Shar Peis); excessive moisture in ears (swimming); and iatrogenic trauma (plucking hairs from the ear canals, cleaning ear canals with cotton tip applicators). Lastly perpetuating factors must be identified and treated

Ear: total ear canal ablation technique in dogsTREATMENT APPROACHES TO EAR CANAL ISSUES IN CATS AND DOGS

My mother has a very narrow ear canal apparantly due to

Cerumen is a mixture of secretions and sloughed epithelial cells. A cerumen impaction is an accumulation of cerumen that causes symptoms, such as hearing loss, fullness, otorrhoea, tinnitus, dizziness, or other symptoms, and/or prevents a required assessment of the ear canal, tympanic membrane, or audiovestibular system. Schwartz SR, Magit AE, Rosenfeld RM, et al. Clinical Practice Guideline. An incision is usually made behind the ear to reach this part of the ear. Canal Wall Down Mastoidectomy. For patients with cholesteatomas or infections that have destroyed the ear canal, a canal wall down mastoidectomy may be recommended. It is nearly always performed in conjunction with a tympanoplasty depending on the extent of the cholesteatoma

Lichen planus of the external auditory canal: Treatment

Irrigation may be more difficult to perform in stenotic ear canals. This anatomical finding alone is not an absolute contraindication to debridement in an office setting, although specialized. RESULTS: Of the 770 ears evaluated, 101 (13.1%) were found to have at least 1 stenotic ear canal. Of this group of 101 ears with canal stenosis, 18 of 94 ears (7 ears were missing data; 19.1%) had a concurrent cholesteatoma, with 1 patient having bilateral cholesteatomas Stenotic Ear Canals. Stenosis is a technical term for abnormally narrow ear canals. This can be a normal variation in some dogs, or stenosis can occur and worsen over time with recurrent infections as the skin of the ear canal gets more thickened. Stenosis can lead to complete loss of air exposure to the ear canal, creating a pocketed. In stenotic ear canals (70 ears) the ratio was less than 0.65. Total ear canal ablations and histopathological analysis were performed in 70 ear canals classified as stenotic after canalography. Hyperplasia of the epidermal layer was found in 56 stenotic canals. Stenosis of the canal due to otitis externa was found in the other 14 canals The External Auditory Canal, the Middle- and Inner-Ear Structures, and Audiologic Findings A narrow external auditory canal is frequently found in patients with mild external ear deformity, whereas atretic canals are expected in more severe cases. 17,18,223,280 At times, a small external ear with normal middle-ear architecture is seen

725-Disorders of the External Ear Flashcards | QuizletSurgical Procedures - West Toronto Veterinary Surgery WestHead & Neck Surgery | Boston Veterinary Specialists

Otitis externa symptoms & treatments - Illnesses

All dogs showed significant clinical improvement with a much better life quality and an increasing diameter of the stenotic ear chanel. None of the dogs had to go to surgery. The results of this small group indicate that cyclosporin A might be a good alternative to surgery in canine end stage otitis externa, but a larger study would be. Q16.1 is a billable diagnosis code used to specify a medical diagnosis of congenital absence, atresia and stricture of auditory canal (external). The code Q16.1 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions

Conventional Earpieces - Weston

The dog's ear consists of an outer, middle, and inner part. The outer ear of a Cocker Spaniel is what funnels sound in towards the ear canal. Humans have a short ear canal, but dogs have a long narrow ear canal that bends as it gets deeper to the inner ear Otitis externa is inflammation of the external ear canal and is a common problem in dogs and cats. Signs can include head shaking, pain, malodor, erythema, erosion, ulceration, swelling, and/or ceruminous gland inflammation. Diagnosis is based on otoscopic examination, cytology, and culture. Treatment depends on the specific diagnosis abnormalities of the ear canal and middle ear are often associated with congenital anomalies of the _____ and _____ due to the close proximity of the tissues in the ____ and ____ pharyngeal arches - arrested development (development stops) - excessive growth (keeps growing in that area A number sign (#) is used with this entry because of evidence that auriculocondylar syndrome-2 (ARCND2) is caused by heterozygous or homozygous mutation in the PLCB4 gene (600810) on chromosome 20p12. Description. Auriculocondylar syndrome (ARCND), also known as 'question-mark ear syndrome' or 'dysgnathia complex,' is an autosomal dominant.

Diagnosis and Treatment of Otitis Media Veterian Ke

tures (1). By definition, an ear canal is considered stenotic if it has a canal diameter of <4 mm (2). High risk of cholesteatoma is reported in stenotic ear canal compared to normal ears (2,3). External auditory canal cholesteatoma (CC) is a rare disease, representing 0.1-0.5% of otologic disease (3). Thi The presence of a stenotic—but not completely atretic—ear canal that cannot be fully examined and cleaned should raise concern for the possibility of cholesteatoma. Canal cholesteatoma is thought to result from the trapping of squamous debris medial to the area of stenosis, and, if untreated, can lead to complications such as chronic. stenotic ear canals Shar Pei, Pug, Bulldog hair Otitis Externa - Predisposing Factors Excessive moisture Swimming Overzealous cleaning Using cotton tipped swabs! Aggressive hair removal Systemic diseases Immune suppression Obstruction of the ear canal Otic tumors, stenosis, polyps Perpetuating Factor He had very stenotic canals. I think we swayed their opinion to that a little bit by holding the two devices out saying, This is a traditional behind the ear hearing aid, this is the ear mold, and this is the Baha and softband. We explained to them how stenotic his ear canals were, even though his outside pinnae looked perfect Ear canal is narrowed (called stenotic) compared to what it normally looks like; Strange odor coming from the ear(s) Abnormal discharge coming from the ear(s) Head tilted to one side, walking like they're drunk (called ataxia), or walking in circle

Cerumen impaction - Symptoms, diagnosis and treatmentEar Plugs - Foam Ear PlugsEar Infection in Bulldogs and French Bulldogs leads to ear

Ear, Nose & Throat Issues & Down Syndrome - NDS

If inflammation of the ear canal is severe, or if the canal is stenotic, additional therapy with oral steroids can help expedite clinical response, even in the case of serious secondary infection. Otitis externa is often painful, and unfortunately dogs may hide pain, especially if otitis is chronic or recurrent These include the anatomy of the ear canal which is certainly a problem in the Chinese Shar-Pei with the tight ear flap and tendency to stenotic (narrow) ear canals. Maceration of the ear canal - Small increases in moisture in the ear canal lead to damage of the skin in the canal and predispose to bacterial and yeast infections

stenotic ear canal - Spot Speak

Now, in my mid-60s, I suddenly had a problem with impacted earwax in my left ear. Evidently, I was pushing the wax deeper and deeper over time. According to the Mayo Clinic, using cotton swabs or other items to clean one's ears may remove some wax, but it actually pushes more wax into the ear canal even deeper. In mild cases, the ear canal is present, but it is stenotic and markedly narrowed. A rudimentary tympanic membrane may be present, and it may or may not be connected to the ossicular chain. Most patients with CAA have normal inner ear (cochlear) function since it develops earlier and from a different structure. A narrowed ear canal (i.e. one where the eardrum can be viewed, but the canal is narrower than normal) is sometimes referred to as a stenotic canal, or canal stenosis. Aural atresia most commonly affects just one ear (unilateral aural atresia), but can occur both ears (bilateral aural atresia). Atresia is most frequently isolated, but can be a. We started the ABR testing in the right ear. The patient did have a stenotic ear canal, but it was open. We began with an air-conduction rarefaction click and found that waves I, III, and V were present at our starting intensity of 80 dB nHL. Following protocol, we changed the stimulus polarity to condensation particularly abundant in the vertical ear canal and can be appreciated with a rigid otoscope. Hyperplastic folds of the skin and a stenotic ear canal are also visible. Radiographs of the tymphanic bullae are another important diagnostic tool, and should be performed with the patient placed in ventrodorsal or dorsoventra

Hearing Problem & Stenotic Ear Canals: Causes & Reasons

Anatomic anomalies (ex, stenotic ear canals seen with Down's Syndrome) Excess cerumen production; Ear Plugs; Cotton-Tip Applicators. Commonly associated with cerumen impaction [Macknin, 1994] Do more harm by pushing cerumen deeper and leaving cotton fibers behind. Good to reinforce avoiding the use of these, or any objects, to insert into the. Stenotic ear canals refer to an external ear canal, the canal that connects the external ear to the middle ear, that has become unusually narrow. If the ear canal is narrow enough it may cause a hearing loss. The stenotic ear canals can present several practical problems, the canals may become easily clogged, and it may be difficult to. Spinal stenosis, a narrowing of the spaces in your spine, can compress your spinal cord and nerve roots exiting each vertebrae. Age-related changes in your spine is a common cause. Symptoms include back and/or neck pain, and numbness, tingling and weakness in your arms and legs. Treatments are self-care remedies, physical therapy, medications.

Internal Auditory Canal Stenosis/Atresia Radiology Ke

A partial ear with a closed-off (stenotic) external ear canal producing hearing loss. Grade III. This is the most common form of microtia. The ear appears as a small, peanut-shaped formation of cartilage and a relatively well-formed ear lobe; the external ear canal and the ear drum are usually absent. Grade IV The lumen of the ear canals will also become extremely stenotic, which prevents medications from passing into the horizontal ear canal and reaching the tympanic membrane. Advanced imaging, such as CT, can provide a large amount of information in these chronic otitis externa cases A narrowed ear canal (i.e. one where the eardrum can be viewed, but the canal is narrower than normal) is sometimes referred to as a stenotic canal, or canal stenosis. Aural atresia most commonly effects just one ear (unilateral aural atresia), but can occur both ears (bilateral aural atresia) Hearing amplification should be considered in children with Down syndrome and otitis media with effusion in the cases of a stenotic ear canal, mixed hearing loss, or as an alternative to ventilation tubes (Grade C Evidence; p. 31). Keywords: Devices, Developmental or Multiple Disabilities (e.g. CP/Down Syndrome), Comorbid Diseases and Disorders. 9-year-old Female with Right Grade 2 Microtia and a Small or Stenotic Ear Canal The microtia reconstruction surgery was performed in two stages by Mai Thy Truong, MD and Kay Chang, MD . 5 months after the microtia repair , patient underwent canal reconstruction of her right ear canal stenosis and gained 45 decibels of improved hearing

Predisposing factors for otitis externa include ear conformation and anatomy conducive to infection, such as pendulous pinnae, hypertrichosis, and stenotic ear canals. Environmental predisposing factors include humid, moist environments from frequent swimming, bathing, or excessive ear cleaning This is one of the reasons it is so important for a vet to visually inspect the entirety of an infected ear canal using an instrument called an otoscope. Removal of the mass or foreign body is the key to treating the secondary ear infection. Narrowed (stenotic) ear canals. The normal ear canal is a wide-open structure In addition, the right ear is more commonly involved (~60 %) . CAA is more often bony than membranous, and it can be complete or incomplete. The latter may result in a stenotic cartilaginous canal laterally, with a medial osseous canal of normal caliber and a normal TM Otitis externa is an inflammation of the ear canal. Because dogs' ear canals are L-shaped (Figure 1), fluid does not drain easily from canal openings. Additionally, the lining of the ear can become inflamed and thickened, blocking air and fluid flow in and out of the canal Stenosis of the ear canal is when the canal leading from the pinna to the eardrum is abnormally narrow. This can lead to complication like abnormal appearance of the visible ear and a tendency for the ear canal to become easily clogged. In some cases, the stenotic ear canal becomes so narrow that it can cause hearing loss