Wheeze differential diagnosis: Difference between revisions

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* High levels of [[serum]] [[tryptase]]
* High levels of [[serum]] [[tryptase]]
* Incrieased levels of [[Blood plasma|plasma]][[histamine]]
* Increased levels of [[plasma]] [[histamine]]
* [[Skin allergy testing|Sking test]]
* [[Skin allergy test]]
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* Not specific
* Not specific
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Acute onset with one of them:
Acute onset with one of them:
* Respiratory compromised
* Respiratory compromise
* Reduced [[blood pressure]] ([[Blood pressure|BP]])
* Reduced [[blood pressure]] ([[Blood pressure|BP]])
Two or more after the exposure to a likely allergern
Two or more after the exposure to a likely allergern
* Respiratory compromised
* Respiratory compromise
* Reduced [[Blood pressure|BP]]
* Reduced [[Blood pressure|BP]]
* [[Gastrointestinal tract|Gastrointestinal]]<nowiki/>symptoms
* [[Gastrointestinal tract|Gastrointestinal]]<nowiki/>symptoms
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* [[Nasal discharge]], [[altered mental status]], redness and hives of the [[skin]]
* [[Nasal discharge]], [[altered mental status]], redness and hives of the [[skin]]
* Common [[Allergen|allergens]]: food, insect stings, biologic materials, natural rubber latex, etc
* Common [[Allergen|allergens]]: food, insect sting, biologic materials, natural rubber latex, etc
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|Cricoarytenoid arthritis
|Cricoarytenoid arthritis
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* [[Laryngoscopy|Direct laryngoscopy]]
* [[Laryngoscopy|Direct laryngoscopy]]
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* [[Cartilage]]<nowiki/>erosion can lead on joint luxation and inmovilization of the [[cord]]<ref name="pmid22884484" />  
* [[Cartilage]] <nowiki/>erosion can lead on joint luxation and inmobilization of the [[cord]]<ref name="pmid22884484" />  
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|Vocal fold edema/Hematoma/Paralysis<ref name="pmid17011423">{{cite journal |vauthors=Ishman SL, Halum SL, Patel NJ, Kerschner JE, Merati AL |title=Management of vocal paralysis: a comparison of adult and pediatric practices |journal=Otolaryngol Head Neck Surg |volume=135 |issue=4 |pages=590–4 |date=October 2006 |pmid=17011423 |doi=10.1016/j.otohns.2006.04.014 |url= |author=}}</ref>
|Vocal fold edema/hematoma/paralysis<ref name="pmid17011423">{{cite journal |vauthors=Ishman SL, Halum SL, Patel NJ, Kerschner JE, Merati AL |title=Management of vocal paralysis: a comparison of adult and pediatric practices |journal=Otolaryngol Head Neck Surg |volume=135 |issue=4 |pages=590–4 |date=October 2006 |pmid=17011423 |doi=10.1016/j.otohns.2006.04.014 |url= |author=}}</ref>
|Acute
|Acute
|✔
|✔
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* Inspiratory [[stridor]]
* Inspiratory [[stridor]]
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* Hypercapnia in [[Arterial blood gas|Arterial blood gases]]<nowiki/>when [[distress]] is severe
* [[Hypercapnia]] in [[arterial blood gases]] <nowiki/>when [[distress]] is severe
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* [[Lung function tests|Forced insiparatory flow]]<nowiki/>decrease but normal between episodes<ref name="pmid22434681">{{cite journal |vauthors=Forrest LA, Husein T, Husein O |title=Paradoxical vocal cord motion: classification and treatment |journal=Laryngoscope |volume=122 |issue=4 |pages=844–53 |date=April 2012 |pmid=22434681 |doi=10.1002/lary.23176 |url= |author=}}</ref>
* [[Lung function tests|Forced insiparatory flow]] <nowiki/>decrease but normal between episodes<ref name="pmid22434681">{{cite journal |vauthors=Forrest LA, Husein T, Husein O |title=Paradoxical vocal cord motion: classification and treatment |journal=Laryngoscope |volume=122 |issue=4 |pages=844–53 |date=April 2012 |pmid=22434681 |doi=10.1002/lary.23176 |url= |author=}}</ref>
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* Clear chest
* Clear chest
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* [[Computed tomography|CT]] and Color flow [[Doppler]]<nowiki/>to rule out other diseases<ref name="pmid9207723">{{cite journal |vauthors=Nastasi KJ, Howard DA, Raby RB, Lew DB, Blaiss MS |title=Airway fluoroscopic diagnosis of vocal cord dysfunction syndrome |journal=Ann. Allergy Asthma Immunol. |volume=78 |issue=6 |pages=586–8 |date=June 1997 |pmid=9207723 |doi=10.1016/S1081-1206(10)63220-6 |url= |author=}}</ref>
* [[Computed tomography|CT]] and color flow doppler <nowiki/>to rule out other diseases<ref name="pmid9207723">{{cite journal |vauthors=Nastasi KJ, Howard DA, Raby RB, Lew DB, Blaiss MS |title=Airway fluoroscopic diagnosis of vocal cord dysfunction syndrome |journal=Ann. Allergy Asthma Immunol. |volume=78 |issue=6 |pages=586–8 |date=June 1997 |pmid=9207723 |doi=10.1016/S1081-1206(10)63220-6 |url= |author=}}</ref>
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* Abnormal [[adduction]] of [[vocal fold]] visualized in[[Laryngoscopy]]
* Abnormal [[adduction]] of [[vocal fold]] visualized in [[laryngoscopy]]
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* [[Throat]] tightness, choking sensation
* [[Throat]] tightness, choking sensation
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* [[Glottic]] or [[Glottis|supraglottic]]: Inspiratory [[stridor]]
* [[Glottic]] or [[Glottis|supraglottic]]: Inspiratory [[stridor]]
* [[Glottis]]<nowiki/>through [[trachea]]: Biphasic [[stridor]]
* [[Glottis]] <nowiki/>through [[trachea]]: biphasic [[stridor]]
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* Not specific
* Not specific
Line 158: Line 158:
* Clear chest
* Clear chest
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* Stenosis visualized in [[neck]][[x-ray]]
* Stenosis visualized in [[neck]] [[x-ray]]
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* Palpation of [[Arytenoid cartilage|arytenoid]]<nowiki/>for passive mobility and [[Laryngoscope|laryngoscopy]]<ref name="pmid7208045">{{cite journal |vauthors=Bogdasarian RS, Olson NR |title=Posterior glottic laryngeal stenosis |journal=Otolaryngol. Head Neck Surg. |volume=88 |issue=6 |pages=765–72 |date= 1980 |pmid=7208045 |doi= |url= |author=}}</ref>
* Palpation of [[Arytenoid cartilage|arytenoid]] <nowiki/>for passive mobility and [[Laryngoscope|laryngoscopy]]<ref name="pmid7208045">{{cite journal |vauthors=Bogdasarian RS, Olson NR |title=Posterior glottic laryngeal stenosis |journal=Otolaryngol. Head Neck Surg. |volume=88 |issue=6 |pages=765–72 |date= 1980 |pmid=7208045 |doi= |url= |author=}}</ref>
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* History of neck trauma or [[intubation]]
* History of neck trauma or [[intubation]]
Line 182: Line 182:
* Clear chest
* Clear chest
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* [[Cyst]] wiht liquid or air content in [[ultrasound]], [[radiography]] or [[Computed tomography|CT]]
* [[Cyst]] with liquid or air content in [[ultrasound]], [[radiography]] or [[Computed tomography|CT]]
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* Smooth swelling visualized in [[laryngoscopy]] <ref name="pmid8166980">{{cite journal |vauthors=Chu L, Gussack GS, Orr JB, Hood D |title=Neonatal laryngoceles. A cause for airway obstruction |journal=Arch. Otolaryngol. Head Neck Surg. |volume=120 |issue=4 |pages=454–8 |date=April 1994 |pmid=8166980 |doi= |url= |author=}}</ref>
* Smooth swelling visualized in [[laryngoscopy]]<ref name="pmid8166980">{{cite journal |vauthors=Chu L, Gussack GS, Orr JB, Hood D |title=Neonatal laryngoceles. A cause for airway obstruction |journal=Arch. Otolaryngol. Head Neck Surg. |volume=120 |issue=4 |pages=454–8 |date=April 1994 |pmid=8166980 |doi= |url= |author=}}</ref>
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* [[Dysphagia]], laryngeal discomfort
* [[Dysphagia]], laryngeal discomfort
* Usually [[Asymptomatic|asymptomati]]
* Usually [[asymptomatic]]
|-
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|Epiglottitis (supraglottitis)
|Epiglottitis (supraglottitis)
Line 210: Line 210:
* More than 8 mm of size epiglottal and distend [[hypopharynx]]  in neck [[x-ray]]
* More than 8 mm of size epiglottal and distend [[hypopharynx]]  in neck [[x-ray]]
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* [[Laryngoscopy]] where is visualizd a edematous [[epiglottis]]<ref name="pmid18510881">{{cite journal |vauthors=Glynn F, Fenton JE |title=Diagnosis and management of supraglottitis (epiglottitis) |journal=Curr Infect Dis Rep |volume=10 |issue=3 |pages=200–4 |date=May 2008 |pmid=18510881 |doi= |url= |author=}}</ref>
* [[Laryngoscopy]] where is visualized a edematous [[epiglottis]]<ref name="pmid18510881">{{cite journal |vauthors=Glynn F, Fenton JE |title=Diagnosis and management of supraglottitis (epiglottitis) |journal=Curr Infect Dis Rep |volume=10 |issue=3 |pages=200–4 |date=May 2008 |pmid=18510881 |doi= |url= |author=}}</ref>
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* Tripod posture
* Tripod posture
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* [[Stridor]]
* [[Stridor]]
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* [[Thyroid function tests]]: [[TSH]], [[Triiodothyronine|T3]]  and [[Thyroxine|T4]]
* [[Thyroid function tests]]: [[TSH]], [[Triiodothyronine|T3]], and [[Thyroxine|T4]]
* [[Thyroid peroxidase|Thyroid peroxide antibodies]] :[[Thyroid peroxidase|TPO]]
* [[Thyroid peroxidase|Thyroid peroxide antibodies]] :[[Thyroid peroxidase|TPO]]
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* Airflow limitation of the volume loop depend on the size and localization <ref name="pmid1130755">{{cite journal |vauthors=Al-Bazzaz F, Grillo H, Kazemi H |title=Response to exercise in upper airway obstruction |journal=Am. Rev. Respir. Dis. |volume=111 |issue=5 |pages=631–40 |date=May 1975 |pmid=1130755 |doi=10.1164/arrd.1975.111.5.631 |url= |author=}}</ref>
* Airflow limitation of the volume loop depend on the size and localization<ref name="pmid1130755">{{cite journal |vauthors=Al-Bazzaz F, Grillo H, Kazemi H |title=Response to exercise in upper airway obstruction |journal=Am. Rev. Respir. Dis. |volume=111 |issue=5 |pages=631–40 |date=May 1975 |pmid=1130755 |doi=10.1164/arrd.1975.111.5.631 |url= |author=}}</ref>
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* Substernal Goiter causes a deviation of the [[trachea]]
* Substernal [[goiter]] causes a deviation of the [[trachea]]
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* [[Computed tomography|CT]] can be performed to visualized the [[cervical]] and substernal Gotier and its extention<ref name="pmid6600532">{{cite journal |vauthors=Bashist B, Ellis K, Gold RP |title=Computed tomography of intrathoracic goiters |journal=AJR Am J Roentgenol |volume=140 |issue=3 |pages=455–60 |date=March 1983 |pmid=6600532 |doi=10.2214/ajr.140.3.455 |url= |author=}}</ref> 
* [[Computed tomography|CT]] can be performed to visualize the [[cervical]] and substernal [[gotier]] and its extention<ref name="pmid6600532">{{cite journal |vauthors=Bashist B, Ellis K, Gold RP |title=Computed tomography of intrathoracic goiters |journal=AJR Am J Roentgenol |volume=140 |issue=3 |pages=455–60 |date=March 1983 |pmid=6600532 |doi=10.2214/ajr.140.3.455 |url= |author=}}</ref> 
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* [[Physical examination]]
* [[Physical examination]]
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* [[Iodine deficiency]] is the most common cause <ref name="pmid10700715">{{cite journal |vauthors=Knudsen N, Perrild H, Christiansen E, Rasmussen S, Dige-Petersen H, Jørgensen T |title=Thyroid structure and size and two-year follow-up of solitary cold thyroid nodules in an unselected population with borderline iodine deficiency |journal=Eur. J. Endocrinol. |volume=142 |issue=3 |pages=224–30 |date=March 2000 |pmid=10700715 |doi= |url= |author=}}</ref>
* [[Iodine deficiency]] is the most common cause<ref name="pmid10700715">{{cite journal |vauthors=Knudsen N, Perrild H, Christiansen E, Rasmussen S, Dige-Petersen H, Jørgensen T |title=Thyroid structure and size and two-year follow-up of solitary cold thyroid nodules in an unselected population with borderline iodine deficiency |journal=Eur. J. Endocrinol. |volume=142 |issue=3 |pages=224–30 |date=March 2000 |pmid=10700715 |doi= |url= |author=}}</ref>
|-
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|Postnasal drip syndrome
|Postnasal drip syndrome

Revision as of 16:46, 26 February 2018

Etiology on the basis of anatomy Diseases Clinical manifestations Diagnosis Other features
Symptoms Physical exam Imaging
Onset Cough Dyspnea Fever Slurred speech Cyanosis Clubbing Auscultation Labs Pulmonary function testing Chest imaging Other Gold standard
Extrathoracic upper airway diseases Laryngeal edema

(Anaphylaxis)

Acute - - -
  • Not specific
  • Not required
  • Not required

Acute onset with one of them:

Two or more after the exposure to a likely allergern

BP reduced after exposure of a known allergen

Cricoarytenoid arthritis Acute - - -
  • Clear chest
Vocal fold edema/hematoma/paralysis[2] Acute - - -
  • Not specific
  • Variable
  • Clear chest
  • Not required
Paradoxical vocal fold motion Acute - - -
  • Clear chest
  • CT and color flow doppler to rule out other diseases[4]
Laryngeal stenosis[6] Acute, Chronic - -
  • Not specific
  • FV loop variable
  • Clear chest
Laryngocele Chronic - - - -
  • Not specific
  • Normal function
  • Clear chest
Epiglottitis (supraglottitis) Acute - - -
  • Elevated white blood count
  • Epiglottal culture
  • Normal function
  • Clear chest
  • Tripod posture
  • Drooling
  • Tenderness of the anterior part of the neck
Goiter Chronic - - - -
  • Airflow limitation of the volume loop depend on the size and localization[10]
Postnasal drip syndrome Acute - - - -
  • Increase of IgE
  • Positive intradermic test[13]
  • Clear chest
  • Clinical diagnosis
Relapsing polychondritis Acute - - -
  • Variable  flow volume loop
  • Tracheal narrowing
  • Cartilaginous calicification, bronchial Wall thickness and tracheal narrowing observed in  CT 
  • MRI can distinguish fibrosis from inflammation 
  • Cartilaginous calicification, bronchial wall thickness and tracheal narrowing observed in  CT [14]
  • MRI can distinguish fibrosis from inflammation 

Mc Adam criteria: [15]

  • Involment of cartilage, ears, ribs. nose and eyes
Retropharyngeal abscess Subacute - - -
  • Normal function
  • Neck CT or presence of pus during the surgical procedure [17]
  • Pain with neck extension
  • Dysphagia
  • Head in sniffing position
Tonsillar hypertrophy Acute, chronic - - ✔ hyponasal speech - -
  • Not specific
  • Flow loop shows inspiratory slowing
  • Clear chest
  • Not required
  • More in children and adolescents
Tumor of pharynx/larynx/upper trachea Chronic - - - -
  • Not specific
  • Flow loop shows inspiratory slowing
  • Not requered
  • CT provide information of the grade of invation
  • MRI can make a difference between tumors in the mucos or bone marrow [19]
Central airway diseases

(Intrathoracic upper airway obstruction)

Mediastinal mass/lymphadenopathy Chronic - - -
  • Size, location and density of the mass can be observed
  • In chest CT is observed location, size, tissue characteristic and relationship with other structures of the mass
  • Information of posterior mediastinal mass can be provided in chest or spine MRI [21]
Respiratory papillomatosis Chronic - - -
  • Not specific
  • Not specific
Tracheobronchomalacia Chronic - - - -
  • Not specifc
  • Airway compression from other structures
Tracheal stenosis Acute - - - -
  • Not specific
  • FV loop variable
  • Extension of the narrowing observed in CT or MRI
  • Long segment stenosis incompatible with survival [26]
Tracheal and bronchial tumors Chronic - - - -
  • Not specific
  • FV loop variable
Vascular ring or aneurysm Chronic - - - -
  • Not required
  • Usually asymptomatic
  • Chest or abdominal pain appears when other structures are compressed
Lower airway obstruction Bronchiectasis Chronic - - -
  • Tram lines or end-on ring shadows in chest CT [30]
Bronchiolitis Acute - . For bacterial infection in neonates:
  • Hyperinflation
  • Mosaic attenuation
  • Increased bronchial wall [31]
  • Bronchoscopy to rule out other diseases
  • Clinical diagnosis
Carcinoid syndrome Chronic - - - - -
  • Not specific
  • Enlargement of the heart [33]
  • Liver metastases are visualized in MRI
Heart failure Chronic - - - -
  • Not required
  • Clinical diagnosis (test are supportive)
  • High levels of BNP and pro-BNP[36]
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) [37] Chronic - - - -
  • Not specific
  • Mosaic pattern and nodules observed in chest CT
  • Single neuroendocrine cell and/ or linear proliferation of the cells that involves bronchiolar epitelium
Noncardiogenic pulmonary edema Acute - - -
  • Bilatera alveolar linfiltration
  • Bilateral opacities in CT

According to Berlin definition:[38]

  • One week of new or worse respiratory symptoms or clinical insult
  • Symptoms can not be explain by cardiacdisease
  • Bilateral opacities in chest X-Ray or CT
  • Compromised oxygenation
  • High altitute pulmonary edema (HAPE)
  • Neurogenic pulmonary edema
Parasitic infection with VLM (eg, Ascaris Strongyloides, filaria) Acute - - -
  • Not specific
  • Bilateral peribronchial infiltration
  • Parenchymal infiltration
  • Subpleural nodules, ground-glass opacities observed in chest CT [40]
  • Larve in biopsy
Pulmonary thromboembolism  Acute, subacute, Chronic - - - -
  • Not required
Reactive airways dysfunction syndrome Acute - - - -
  • Normal or hyperinflation
  • CT to rule out other diseases
Clinical diagnosis:
  • History of exposure
  • Acute onset with sympotoms in 24h
  • Airway obstruction > 3 months [44]
  • Burning sensation in the throat
  • Chest pain
  • High dose of inhalation of the irritant

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References

  1. 1.0 1.1 Greco A, Fusconi M, Macri GF, Marinelli C, Polettini E, Benincasa AT, de Vincentiis M (2012). "Cricoarytenoid joint involvement in rheumatoid arthritis: radiologic evaluation". Am J Otolaryngol. 33 (6): 753–5. doi:10.1016/j.amjoto.2012.06.004. PMID 22884484.
  2. Ishman SL, Halum SL, Patel NJ, Kerschner JE, Merati AL (October 2006). "Management of vocal paralysis: a comparison of adult and pediatric practices". Otolaryngol Head Neck Surg. 135 (4): 590–4. doi:10.1016/j.otohns.2006.04.014. PMID 17011423.
  3. Forrest LA, Husein T, Husein O (April 2012). "Paradoxical vocal cord motion: classification and treatment". Laryngoscope. 122 (4): 844–53. doi:10.1002/lary.23176. PMID 22434681.
  4. Nastasi KJ, Howard DA, Raby RB, Lew DB, Blaiss MS (June 1997). "Airway fluoroscopic diagnosis of vocal cord dysfunction syndrome". Ann. Allergy Asthma Immunol. 78 (6): 586–8. doi:10.1016/S1081-1206(10)63220-6. PMID 9207723.
  5. Chiang T, Marcinow AM, deSilva BW, Ence BN, Lindsey SE, Forrest LA (March 2013). "Exercise-induced paradoxical vocal fold motion disorder: diagnosis and management". Laryngoscope. 123 (3): 727–31. doi:10.1002/lary.23654. PMID 23097011.
  6. Nair S, Nilakantan A, Sood A, Gupta A, Gupta A (September 2016). "Challenges in the Management of Laryngeal Stenosis". Indian J Otolaryngol Head Neck Surg. 68 (3): 294–9. doi:10.1007/s12070-015-0936-2. PMC 4961642. PMID 27508129.
  7. Bogdasarian RS, Olson NR (1980). "Posterior glottic laryngeal stenosis". Otolaryngol. Head Neck Surg. 88 (6): 765–72. PMID 7208045.
  8. Chu L, Gussack GS, Orr JB, Hood D (April 1994). "Neonatal laryngoceles. A cause for airway obstruction". Arch. Otolaryngol. Head Neck Surg. 120 (4): 454–8. PMID 8166980.
  9. Glynn F, Fenton JE (May 2008). "Diagnosis and management of supraglottitis (epiglottitis)". Curr Infect Dis Rep. 10 (3): 200–4. PMID 18510881.
  10. Al-Bazzaz F, Grillo H, Kazemi H (May 1975). "Response to exercise in upper airway obstruction". Am. Rev. Respir. Dis. 111 (5): 631–40. doi:10.1164/arrd.1975.111.5.631. PMID 1130755.
  11. Bashist B, Ellis K, Gold RP (March 1983). "Computed tomography of intrathoracic goiters". AJR Am J Roentgenol. 140 (3): 455–60. doi:10.2214/ajr.140.3.455. PMID 6600532.
  12. Knudsen N, Perrild H, Christiansen E, Rasmussen S, Dige-Petersen H, Jørgensen T (March 2000). "Thyroid structure and size and two-year follow-up of solitary cold thyroid nodules in an unselected population with borderline iodine deficiency". Eur. J. Endocrinol. 142 (3): 224–30. PMID 10700715.
  13. Yu L, Xu X, Lv H, Qiu Z (May 2015). "Advances in upper airway cough syndrome". Kaohsiung J. Med. Sci. 31 (5): 223–8. doi:10.1016/j.kjms.2015.01.005. PMID 25910556.
  14. Behar JV, Choi YW, Hartman TA, Allen NB, McAdams HP (January 2002). "Relapsing polychondritis affecting the lower respiratory tract". AJR Am J Roentgenol. 178 (1): 173–7. doi:10.2214/ajr.178.1.1780173. PMID 11756115.
  15. McAdam LP, O'Hanlan MA, Bluestone R, Pearson CM (May 1976). "Relapsing polychondritis: prospective study of 23 patients and a review of the literature". Medicine (Baltimore). 55 (3): 193–215. PMID 775252.
  16. Knorr TL, Sinha V. PMID 28722903. Missing or empty |title= (help)
  17. Lazor JB, Cunningham MJ, Eavey RD, Weber AL (December 1994). "Comparison of computed tomography and surgical findings in deep neck infections". Otolaryngol Head Neck Surg. 111 (6): 746–50. doi:10.1177/019459989411100608. PMID 7991254.
  18. Jazi SM, Barati B, Kheradmand A (December 2011). "Treatment of adenotonsillar hypertrophy: A prospective randomized trial comparing azithromycin vs. fluticasone". J Res Med Sci. 16 (12): 1590–7. PMC 3434901. PMID 22973368.
  19. "CDC - Head and Neck Cancers".
  20. Shamberger RC, Holzman RS, Griscom NT, Tarbell NJ, Weinstein HJ, Wohl ME (September 1995). "Prospective evaluation by computed tomography and pulmonary function tests of children with mediastinal masses". Surgery. 118 (3): 468–71. PMID 7652680.
  21. Juanpere S, Cañete N, Ortuño P, Martínez S, Sanchez G, Bernado L (February 2013). "A diagnostic approach to the mediastinal masses". Insights Imaging. 4 (1): 29–52. doi:10.1007/s13244-012-0201-0. PMC 3579993. PMID 23225215.
  22. "Laryngotracheobronchial papillomatosis: findings on computed tomography scans of the chest".
  23. Aquino SL, Shepard JA, Ginns LC, Moore RH, Halpern E, Grillo HC, McLoud TC (2001). "Acquired tracheomalacia: detection by expiratory CT scan". J Comput Assist Tomogr. 25 (3): 394–9. PMID 11351189.
  24. Majid A, Gaurav K, Sanchez JM, Berger RL, Folch E, Fernandez-Bussy S, Ernst A, Gangadharan SP (July 2014). "Evaluation of tracheobronchomalacia by dynamic flexible bronchoscopy. A pilot study". Ann Am Thorac Soc. 11 (6): 951–5. doi:10.1513/AnnalsATS.201312-435BC. PMID 24960030.
  25. Altman KW, Wetmore RF, Mahboubi S (June 1998). "Comparison of endoscopy and radiographic fluoroscopy in the evaluation of pediatric congenital airway abnormalities". Int. J. Pediatr. Otorhinolaryngol. 44 (1): 43–6. PMID 9720679.
  26. Chiu PP, Rusan M, Williams WG, Caldarone CA, Kim PC (February 2006). "Long-term outcomes of clinically significant vascular rings associated with congenital tracheal stenosis". J. Pediatr. Surg. 41 (2): 335–41. doi:10.1016/j.jpedsurg.2005.11.034. PMID 16481247.
  27. 27.0 27.1 Stevic R, Milenkovic B (November 2016). "Tracheobronchial tumors". J Thorac Dis. 8 (11): 3401–3413. doi:10.21037/jtd.2016.11.24. PMC 5179373. PMID 28066620.
  28. Miller WT (October 2001). "Thoracic aortic aneurysms: plain film findings". Semin Roentgenol. 36 (4): 288–94. PMID 11715324.
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