Difference between revisions of "An introduction to head and neck pathology"

Jump to navigation Jump to search
 
(12 intermediate revisions by the same user not shown)
Line 4: Line 4:


Cytopathology of the head and neck is dealt with in a separate article called ''[[head and neck cytopathology]]''.
Cytopathology of the head and neck is dealt with in a separate article called ''[[head and neck cytopathology]]''.
=Anatomy=
[[Image:Blausen_0872_UpperRespiratorySystem.png|thumb|Head and neck anatomy (BruceBlaus/WC).]]
*Oropharynx - includes: tonsil, tonsillar pillar, base of tongue, soft palate.<ref>URL: [https://www.cancer.org/cancer/oral-cavity-and-oropharyngeal-cancer/about/what-is-oral-cavity-cancer.html https://www.cancer.org/cancer/oral-cavity-and-oropharyngeal-cancer/about/what-is-oral-cavity-cancer.html]. Accessed on: 1 April 2021.</ref><ref>URL: [http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/throat-cancer/oropharyngeal-cancer/soft-palate-cancer/ http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/throat-cancer/oropharyngeal-cancer/soft-palate-cancer/]. Accessed on: 15 November 2016.</ref>
*Oral cavity - includes floor of mouth, bucca, anterior 2/3 of tongue,<ref>URL: [http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/oral-cancers/tongue-cancer/ http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/oral-cancers/tongue-cancer/]. Accessed on: 15 November 2016.</ref> lips, [[hard palate]], upper & lower alveolar ridge, retromolar trigone.<ref>URL: [http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/oral-cancers/oromandibular-cancer/ http://www.headandneckcancerguide.org/teens/cancer-basics/explore-cancer-types/oral-cancers/oromandibular-cancer/]. Accessed on: 15 November 2016.</ref>
*Laryngopharynx.
*Nasopharynx.


=Clinical=
=Clinical=
Common lesions:<ref name=Ref_PBoD780>{{Ref PBoD|780}}</ref>
Common lesions:<ref name=Ref_PBoD780>{{Ref PBoD|780}}</ref>
*Leukoplakia.
*[[Leukoplakia]].
**Homogeneous.
**Homogeneous.
**Non-homogeneous.
**Non-homogeneous.
Line 19: Line 26:
==Erythroplakia==
==Erythroplakia==
===General===
===General===
*Non-specific clinical finding - may be benign or malignant.
*Non-specific clinical finding - may be benign or [[malignant]].
*Strong association with non-keratinizing squamous lesions (invasive and dysplastic).
*Strong association with non-keratinizing squamous lesions (invasive and dysplastic).


Line 149: Line 156:


Work-up of negative H&E Bx differs by site:
Work-up of negative H&E Bx differs by site:
*Sunnybrook:<ref>S. Raphael. December 2008.</ref>
*One large hospital:
**[[LMWK]] ([[CAM5.2]]).  
**LMWK (CAM5.2).  
**[[pankeratin]] ([[AE1/AE3]]).
**Pankeratin ([[AE1/AE3]]).
*UHN.
*Another large hospital:
**Nothing.
**Nothing.


Line 212: Line 219:
*[[AKA]] ''juvenile nasopharyngeal angiofibroma''.
*[[AKA]] ''juvenile nasopharyngeal angiofibroma''.
{{Main|Nasopharyngeal angiofibroma}}
{{Main|Nasopharyngeal angiofibroma}}
==Biphenotypic sinonasal sarcoma==
*[[AKA]] ''low grade sinonasal sarcoma with neural and myogenic features''.
{{Main|Biphenotypic sinonasal sarcoma}}


=Nasal polyps=
=Nasal polyps=
48,466

edits

Navigation menu