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Nasal Cavity Hyperplastic and Neoplastic - Pathology (view source)

Revision as of 17:59, 15 February 2011

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~~{{review}}~~

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~~|linkpage =Cardiorespiratory System - Pathology~~

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~~|linktext =Cardiorespiratory System~~

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~~|maplink = Cardiorespiratory System (Content Map) - Pathology~~

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~~|pagetype =Pathology~~

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~~|sublink1=Nasal Cavity - Pathology~~

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~~|subtext1=NASAL CAVITY~~

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~~[[Image:Fibrosarcoma in rhinarium of cat.jpg|right|thumb|100px|<center>Fibrosarcoma in rhinarium of a cat (Image sourced from Bristol Biomed Image Archive with permission)</center>]]~~

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~~[[Image:Lymphoma in nasal cavity.jpg|right|thumb|100px|<center>Lymphoma in nasal cavity (Image sourced from Bristol Biomed Image Archive with permission)</center>]]~~

[[Image:Nasal cavity carcinoma.jpg|right|thumb|100px|<center>Nasal cavity carcinoma (Image sourced from Bristol Biomed Image Archive with permission)</center>]]

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===Adenocarcinoma===

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*Most common in dogs, also sheep

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*Glandular acini in layer of cuboidal or columnar epithelium

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*Often mucin filled acini

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~~===Transitional cell carcinoma===~~

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*Most common in dogs

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===[[Transitional Cell Carcinoma]]===

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*Thick stratified layer of cuboidal cells with distinct basement membrane

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*Large growth may be separated by fibrovascular septa

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*May contain microcysts that could be confused with adenocarcinoma above

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*May cause airway obstruction or facial distortion

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[[Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]]

===Olfactory neuroblastoma===

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*May penetrate cribriform plate into cerebral cortex

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[[Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]]

===Ethmoturbinate tumours (papillomas and adenocarcinomas)===

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*Arising from olfactory cells are endemic in some parts of the world for unknown reason

*May be caused by a virus?

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===Progressive ethmoidal haematoma===

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*May arise subsequently to [[Rhinitis#Chronic rhinitis|chronic inflammation]]

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===Nasal polyps===

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*Also see [[Nasal Cavity Hyperplastic and Neoplastic - Pathology#Progressive ethmoidal haematoma|Progressive haematoma]] of horses and [[Nasopharynx Hyperplastic and Neoplastic - Pathology#Nasopharyngeal polyps of cats|Nasopharyngeal polyps]] of cats

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[[Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]]

===Nasal and paranasal sinus cysts===

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*Epithelial capsule with haemorrhagic or yellow fluid

*Do not tend to recur after surgery

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[[Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]]

==Test yourself with the Nasal Cavity Pathology Flashcards==

[[Nasal_Cavity_Flashcards_-_Pathology|Nasal Cavity Pathology Flashcards]]

Bara

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