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Home / Equine Research Bank / Equine Vet J / Computed tomography characteristics of equine paranasal sinu...
Equine veterinary journal2020; 52(4); 538-546; doi: 10.1111/evj.13212

Computed tomography characteristics of equine paranasal sinus cysts.

Abstract: Computed tomography (CT) is commonly used to investigate equine paranasal sinus disease, however, only limited information is available in the literature about the detailed CT appearance of equine paranasal sinus cysts. Objective: To investigate if paranasal sinus cysts have specific characteristics in CT images that allow differentiation from other sinus diseases. Methods: Retrospective observational study. Methods: Evaluation and comparison of CT studies of eight horses with surgically and/or histopathologically confirmed paranasal sinus cysts and 10 horses with other confirmed paranasal sinus diseases. Results: A discrete hyperattenuating wall-like structure was detected in the periphery of the sinus lesion in precontrast acquisition in 7/8 horses with paranasal sinus cysts. A similar wall-like structure was detected in 3/10 horses with other sinus diseases, however, in contrast to horses with paranasal sinus cysts, two of these also had hyperattenuating regions within the contents of the sinus lesion. Bone destruction and formation affecting cancellous and cortical bone and dental disease were frequent in horses with paranasal sinus cysts. No significant difference in attenuation values was found when the fluid/soft tissue attenuation contents of lesions in horses with paranasal sinus cysts (mean 28.9 ± SD 9.2 HU) were compared with other sinus diseases when ethmoid haematomas were excluded (30.4 ± 12.9 HU, P = .8). Conclusions: Low number of cases. Conclusions: Detection of a hyperattenuating cystic wall is a helpful feature for identifying paranasal sinus cysts in CT images of horses. In contrast, measurement of attenuation values of the soft tissue/fluid contents of the sinus lesions was not helpful in identifying paranasal sinus cysts.
© 2019 EVJ Ltd.
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Publication Date: 2020-02-12 PubMed ID: 31793020DOI: 10.1111/evj.13212Google Scholar: Lookup
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  • Journal Article
  • Observational Study
  • Veterinary

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research studies the usage of computed tomography (CT) to identify unique characteristics of equine paranasal sinus cysts to differentiate them from other sinus diseases. The study uses retrospective observational data from horses that have undergone CT scans for diagnosed sinus conditions.

Research Methodology

  • The study is retrospective and observational in nature, meaning it is based on reviewing past records and observations rather than manipulating any variables or conducting the experiment in real-time.
  • Specifically, CT scans of eight horses with histopathologically or surgically confirmed paranasal sinus cysts were compared with those of ten horses having other confirmed paranasal sinus diseases.

Key Findings

  • The study found that a specific high-density (hyperattenuating) wall-like structure was noticeable in precontrast CT scans of 7 out of the 8 horses with sinus cysts.
  • This structure also appeared in 3 out of 10 horses with other sinus diseases, but two of them additionally exhibited high-density regions within the sinus lesion content itself, which didn’t occur in horses with sinus cysts.
  • Horses with sinus cysts commonly presented cancellous and cortical bone changes, as well as dental disease.
  • No significant difference in attenuation values – or the degree of density differentiation – was found between the soft tissue/fluid content of the cysts and other sinus diseases, once ethmoid haematomas were excluded from the comparison.

Conclusions

  • The researchers concluded that identifying this unique high-density cystic wall could be helpful in detecting paranasal sinus cysts from CT scans of horses.
  • Comparatively, they mention that measuring the attenuation values of the sinus lesions’ soft tissue/fluid content did not provide useful information in differential diagnosis.
  • They also noted that the number of analyzed cases was relatively low, potentially limiting the robustness or generalizability of their findings.

Cite This Article

APA
Ostrowska J, Lindström L, Tóth T, Hansson K, Uhlhorn M, Ley CJ. (2020). Computed tomography characteristics of equine paranasal sinus cysts. Equine Vet J, 52(4), 538-546. https://doi.org/10.1111/evj.13212

Publication

Equine veterinary journal
ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 52
Issue: 4
Pages: 538-546

Researcher Affiliations

Ostrowska, Justyna
  • University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Lindström, Lisa
  • Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Tóth, Tamás
  • University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Hansson, Kerstin
  • Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Uhlhorn, Margareta
  • University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Ley, Charles J
  • Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden.

MeSH Terms

  • Animals
  • Cysts / veterinary
  • Horse Diseases
  • Horses
  • Paranasal Sinus Diseases / veterinary
  • Retrospective Studies
  • Tomography, X-Ray Computed

References

This article includes 23 references
  1. Dixon PM, Parkin TD, Collins N, Hawkes C, Townsend N, Tremaine WH. Equine paranasal sinus disease: a long-term study of 200 cases (1997-2009): treatments and long-term results of treatments.. Equine Vet J 2012;44:272-6.
  2. Tucker RL, Farrell E. Computed tomography and magnetic resonance imaging of the equine head.. Vet Clin North Am Equine Pract 2001;17(1):131-144, vii.
  3. Henninger W, Frame EM, Willmann M, Simhofer H, Malleczek D, Kneissl SM. CT features of alveolitis and sinusitis in horses.. Vet Radiol Ultrasound 2003;44:269-76.
  4. Cissell DD, Wisner ER, Textor J, Mohr FC, Scrivani PV, Theon AP. Computed tomographic appearance of equine sinonasal neoplasia.. Vet Radiol Ultrasound 2012;53:245-51.
  5. Textor JA, Puchalski SM, Affolter VK, MacDonald MH, Galuppo LD, Wisner ER. Results of computed tomography in horses with ethmoid hematoma: 16 cases (1993-2005).. J Am Vet Med Assoc 2012;240:1338-44.
  6. Tucker R, Windley ZE, Abernethy AD, Witte TH, Fiske-Jackson AR, Turner S. Radiographic, computed tomographic and surgical anatomy of the equine sphenopalatine sinus in normal and diseased horses.. Equine Vet J 2016;48:578-84.
  7. Annear MJ, Gemensky-Metzler AJ, Elce YA, Stone SG. Exophthalmus secondary to a sinonasal cyst in a horse.. J Am Vet Med Assoc 2008;233:285-8.
  8. Manso-Diaz G, Garcia-Lopez JM, Maranda L, Taeymans O. The role of head computed tomography in equine practice.. Equine Vet Educ 2015;27:136-45.
  9. Lane JG, Longstaffe JA, Gibbs C. Equine paranasal sinus cysts: a report of 15 cases.. Equine Vet J 1987;19:537-44.
  10. Buhler M, Furst A, Lewis FI, Kummer M, Ohlerth S. Computed tomographic features of apical infection of equine maxillary cheek teeth: a retrospective study of 49 horses.. Equine Vet J 2014;46:468-73.
  11. O'Leary JM, Dixon PM. A review of equine paranasal sinusitis. Aethiopathogenesis, clinical signs and ancillary diagnostic techniques.. Equine Vet Educ 2011;23:148-59.
  12. Crijns CP, Baeumlin Y, De Rycke L, Broeckx BJ, Vlaminck L, Bergman EH. Intra-arterial versus intra venous contrast-enhanced computed tomography of the equine head.. BMC Vet Res 2016;12:6.
  13. Carmalt JL, Montgomery J. Intraarterial injection of iodinated contrast medium for contrast enhanced computed tomography of the equine head.. Vet Radiol Ultrasound 2015;56:384-90.
  14. Tremaine WH, Clarke CJ, Dixon PM. Histopathological findings in equine sinonasal disorders.. Equine Vet J 1999;31:296-303.
  15. Tremaine WH, Dixon PM. A long term study of 277 cases of equine sinonasal disease. Part 1: details of horses, historical, clinical, and ancillary diagnostic findings.. Equine Vet J 2001;33:274-82.
  16. Nickels FA. Nasal passages and paranasal sinuses.. 2012.
  17. Knottenbelt DC, Kelly DF. Oral and dental tumors.. 2010.
  18. Bell RB. Odontogenic and non-odontogenic tumors of the jaws.. 2010.
  19. Nelson-Filho P, Silva RA, Faria G, Freitas AC. Odontoma-like malformation in a permanent maxillary central incisor subsequent to trauma to the incisor predecessor.. Dent Traumatol 2005;21:309-12.
  20. Knottenbelt DC, Patterson Kane J. Bone and dental region neoplasms.. 2015.
  21. Chouinard AF, Peacock ZS, Faquin WC, Kaban LB. Unicystic Ameloblastoma revisited: comparison of Massachusetts General Hospital outcomes with original robinson and martinez report.. J Oral Maxillofac Surg 2017;75:2369-78.
  22. Dubielzig RR. Odontogenic cysts and tumors.. 2002; p. 410.
  23. Wisner ER, Zwingenberger AL. Oral cavity.. 2015.

Citations

This article has been cited 5 times.
  1. Górski K, Borowska M, Turek B, Pawlikowski M, Jankowski K, Bereznowski A, Polkowska I, Domino M. An application of the density standard and scaled-pixel-counting protocol to assess the radiodensity of equine incisor teeth affected by resorption and hypercementosis: preliminary advancement in dental radiography.. BMC Vet Res 2023 Aug 9;19(1):116.
    doi: 10.1186/s12917-023-03675-4pubmed: 37559089google scholar: lookup
  2. Stieger-Vanegas SM, Hanna AL. The Role of Computed Tomography in Imaging Non-neurologic Disorders of the Head in Equine Patients.. Front Vet Sci 2022;9:798216.
    doi: 10.3389/fvets.2022.798216pubmed: 35321060google scholar: lookup
  3. Kozłowska N, Wierzbicka M, Jasiński T, Domino M. Advances in the Diagnosis of Equine Respiratory Diseases: A Review of Novel Imaging and Functional Techniques.. Animals (Basel) 2022 Feb 4;12(3).
    doi: 10.3390/ani12030381pubmed: 35158704google scholar: lookup
  4. Pezzanite LM, Hackett ES, McCready E, Easley JT. Outcomes following single, caudally based bilateral versus unilateral frontonasal sinusotomy for treatment of equine paranasal sinus disease.. Vet Med Sci 2021 Nov;7(6):2209-2218.
    doi: 10.1002/vms3.607pubmed: 34405566google scholar: lookup
  5. Vlaminck L, Pollaris E, Vanderperren K, Tremaine WH, Raes E. Diagnosis and Surgical Treatment of Idiopathic Primary Sino-Nasal Obstruction in Miniature Horse Breeds: Long-Term Follow-Up of Seven Cases.. Front Vet Sci 2021;8:680150.
    doi: 10.3389/fvets.2021.680150pubmed: 34295933google scholar: lookup
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