Nasopharyngeal Vascular Hamartoma in a Dog

An 8-year-old spayed female 32 kg Labrador retriever was presented for further investigation into the underlying cause of dyspnea, stertor, and sleep apnea present for three months and worsening over 30 days. There were significant reduction in airflow through the nares and loud inspiratory stridor....

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Main Authors: Annalisa N. Judy, Alexander I. Krebs, Joseph Haynes, Nina R. Kieves
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Case Reports in Veterinary Medicine
Online Access:http://dx.doi.org/10.1155/2020/9716179
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author Annalisa N. Judy
Alexander I. Krebs
Joseph Haynes
Nina R. Kieves
author_facet Annalisa N. Judy
Alexander I. Krebs
Joseph Haynes
Nina R. Kieves
author_sort Annalisa N. Judy
collection DOAJ
description An 8-year-old spayed female 32 kg Labrador retriever was presented for further investigation into the underlying cause of dyspnea, stertor, and sleep apnea present for three months and worsening over 30 days. There were significant reduction in airflow through the nares and loud inspiratory stridor. Thoracic and cervical radiographs made were normal. A skull CT and retrograde rhinoscopy showed a mass occluding the majority of the nasopharynx above the caudal third of the hard palate. The main differential diagnoses included a neoplastic mass vs. inflammatory mass vs. cyst vs. mucous obstruction. There was no destruction of nasal turbinates, making a benign etiology more likely. Biopsy of the mass showed an inflammatory process. En bloc excision of the mass was performed via ventral rhinotomy without complication. Histopathology of the excised mass revealed it to be a mucosal vascular hamartoma. The dog recovered uneventfully and had no further respiratory issues, short or long term. Although vascular hamartomas are a rare finding in veterinary medicine, they can be found in a wide variety of species and anatomic locations. They should be considered when naming differentials for benign mass lesions throughout the body, including the nasopharynx. Although they are benign masses in nature, they can be clinically significant and should be addressed. Prognosis after removal in this location is excellent.
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spelling doaj-art-e900b05f21b445f1b39fce621bad97062025-08-20T02:21:53ZengWileyCase Reports in Veterinary Medicine2090-70012090-701X2020-01-01202010.1155/2020/97161799716179Nasopharyngeal Vascular Hamartoma in a DogAnnalisa N. Judy0Alexander I. Krebs1Joseph Haynes2Nina R. Kieves3The Ohio State University, Columbus OH, USAIowa State University, Ames, IA, USAIowa State University, Ames, IA, USAIowa State University, Ames, IA, USAAn 8-year-old spayed female 32 kg Labrador retriever was presented for further investigation into the underlying cause of dyspnea, stertor, and sleep apnea present for three months and worsening over 30 days. There were significant reduction in airflow through the nares and loud inspiratory stridor. Thoracic and cervical radiographs made were normal. A skull CT and retrograde rhinoscopy showed a mass occluding the majority of the nasopharynx above the caudal third of the hard palate. The main differential diagnoses included a neoplastic mass vs. inflammatory mass vs. cyst vs. mucous obstruction. There was no destruction of nasal turbinates, making a benign etiology more likely. Biopsy of the mass showed an inflammatory process. En bloc excision of the mass was performed via ventral rhinotomy without complication. Histopathology of the excised mass revealed it to be a mucosal vascular hamartoma. The dog recovered uneventfully and had no further respiratory issues, short or long term. Although vascular hamartomas are a rare finding in veterinary medicine, they can be found in a wide variety of species and anatomic locations. They should be considered when naming differentials for benign mass lesions throughout the body, including the nasopharynx. Although they are benign masses in nature, they can be clinically significant and should be addressed. Prognosis after removal in this location is excellent.http://dx.doi.org/10.1155/2020/9716179
spellingShingle Annalisa N. Judy
Alexander I. Krebs
Joseph Haynes
Nina R. Kieves
Nasopharyngeal Vascular Hamartoma in a Dog
Case Reports in Veterinary Medicine
title Nasopharyngeal Vascular Hamartoma in a Dog
title_full Nasopharyngeal Vascular Hamartoma in a Dog
title_fullStr Nasopharyngeal Vascular Hamartoma in a Dog
title_full_unstemmed Nasopharyngeal Vascular Hamartoma in a Dog
title_short Nasopharyngeal Vascular Hamartoma in a Dog
title_sort nasopharyngeal vascular hamartoma in a dog
url http://dx.doi.org/10.1155/2020/9716179
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