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| − | [[Image:Nasal cavity carcinoma.jpg|right|thumb|100px|<small><center>Nasal cavity carcinoma (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
| + | #REDIRECT[[:Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]] |
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| − | ===Nasal neoplasia in general===
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| − | *Majority are malignant, locally invasive but do not metastasise
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| − | *Usually pale, soft, fleshy or friable
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| − | *May be [[Bones Hyperplastic and Neoplastic - Pathology|osteoma or osteosarcoma, chondroma or chondrosarcoma]], fibroma or fibrosarcoma, myxoma or myxosarcoma, haemangioma or haemangiosarcoma, adenoma or adenocarcinoma
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| − | ===Adenocarcinoma===
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| − | ===[[Transitional Cell Carcinoma]]===
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| − | ===Squamous cell carcinoma===
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| − | ===[[Olfactory Neuroblastoma]]===
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| − | [[Ethmoturbinate Tumours]]
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| − | ===[[Progressive Ethmoidal Haematoma]]===
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| − | ===Nasal polyps===
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| − | *Polypoid thickening of the inflamed nasal musosa, hyperplastic epithelium
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| − | *Pinkish, often pedunculated masses, round, often large and multiple proturberences into the nasal meatus
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| − | *Can arise subsequently to [[Rhinitis#Chronic rhinitis|chronic inflammation]]
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| − | *Old polyps may becoma fibrous
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| − | *May recur when excised
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| − | *Necessary to distinguish from neoplasia
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| − | *Common in cats, less often in dogs, also horses and sheep
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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]]
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| − | ===Nasal and paranasal sinus cysts===
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| − | *Mimic infection or neoplasms
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| − | *Expand and destroy surrounding tissue
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| − | *Epithelial capsule with haemorrhagic or yellow fluid
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| − | *Do not tend to recur after surgery
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| − | [[Category:Nasal Cavity - Hyperplastic/Neoplastic Pathology]]
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| − | ==Test yourself with the Nasal Cavity Pathology Flashcards==
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| − | [[Nasal_Cavity_Flashcards_-_Pathology|Nasal Cavity Pathology Flashcards]]
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