Sublumbar grass awns in two cats: ultrasonographic features and
ultrasound-guided retrieval

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Abstract

Case series summary

Two adult cats were evaluated because of recurrent abscesses of the right lateral thoracoabdominal wall. The abscesses receded with antibiotics but relapsed shortly after therapy interruption. Ultrasonography identified fluid-filled lesions containing linear, hyperechoic material with distal acoustic shadowing in the sublumbar region of both cats. Ultrasound-guided retrieval of grass awns was performed in both cases, which resulted in complete clinical resolution.

Relevance and novel information

While sublumbar abscesses in dogs are a relatively common disease, their occurrence in cats is much less common. To our knowledge, this is the first report describing the ultrasonographic features of sublumbar abscessation induced by foreign bodies and their ultrasound-guided retrieval in cats.

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Most cited references 25

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Radiographic, computed tomographic, and ultrasonographic findings with migrating intrathoracic grass awns in dogs and cats.

Ryan Schultz, Allison Zwingenberger (2008)

The purpose of this study was to describe the clinical, radiographic, and computed tomographic findings in dogs and cats with migrating intrathoracic grass awns. Thirty-five dogs and five cats with visual confirmation of a grass awn following surgery, endoscopy or necropsy, and histology were assessed. The medical records and all diagnostic imaging studies were reviewed retrospectively. Labrador Retrievers or English Pointers < 5 years of age, with a history of coughing and hyperthermia, were the most common presentations. Seventeen animals had an inflammatory leukogram of which 14 had a left shift or toxic neutrophils. Radiographs were performed in 38 animals and computed tomography (CT) in 14. Thoracic radiographs were characterized by focal pulmonary interstitial to alveolar opacities (n = 26) that occurred most commonly in the caudal (n = 19) or accessory lobes (n = 8). Additional findings included pneumothorax (n = 9), pleural effusion (n = 8), and pleural thickening (n = 7). Pulmonary opacities identified on radiographs correlated to areas of pneumonia and foreign body location. CT findings included focal interstitial to alveolar pulmonary opacities (n = 12) most commonly in the right caudal lung lobe (n = 9), pleural thickening (n = 11), mildly enlarged intrathoracic lymph nodes (n = 10), soft tissue tracking (n = 7) with enhancing margins (n = 4), pneumothorax (n = 6), pleural effusion (n = 4), and foreign body visualization (n = 4). Histologic diagnoses included pulmonary and mediastinal granulomas or abscesses, bronchopneumonia, and pleuritis. Migrating intrathoracic grass awns should be considered as a differential diagnosis in coughing, febrile animals with focal interstitial to alveolar pulmonary opacities, pleural effusion, pleural thickening, and/or pneumothorax on radiographs or CT.

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Grass awn migration in dogs and cats: a retrospective study of 182 cases.

K. E. C. Brennan, P J Ihrke (1983)

A retrospective study of 182 cases of grass awn migration in dogs and cats seen during a 1-year period was performed. The 182 cases comprised 61% of all foreign body-related cases during that year. Compared with the total hospital population, there was an increased prevalence of grass awn problems in the Springer Spaniel, Golden Retriever, Brittany Spaniel, and Airedale Terrier, but a decreased prevalence in German Shepherd Dogs, Miniature Poodles, and Dachshunds. The most common site of grass awn localization was the external ear canal, involving 51% of grass awn cases. Other common sites of grass awn localization included the interdigital webs, eye, nose, lumbar area, and thoracic cavity. Only 8 of the 182 animals were cats and 7 of the 8 had ocular involvement.

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Bacterial meningoencephalitis and ventriculitis due to migrating plant foreign bodies in three dogs.

M M Dennis, L Pearce, R W Norrdin … (2005)

Regional suppurative meningoencephalitis and ventriculitis of variable chronicity was diagnosed in three young dogs residing in Colorado. Grass awns were grossly identified in the right occipital cortex of one dog and in the right lateral ventricle of another. Intralesional plant material was microscopically evident in the dura mater overlying the right occipital cortex of the third dog. One grass awn was identified as a floret of Hordeum jabatum. In each case, aerobic culture of brain tissue identified multiple isolates of bacteria. The dogs presented with clinically variable, rapidly progressive neurologic dysfunction, including tetraplegia, depressed mentation, and episodic extensor rigidity, ataxia, circling, stupor, vocalization, and head-pressing. Encephalitis due to bacteria introduced from migrating plant foreign material is a potential sequela of intranasal, periocular, or pharyngeal foreign bodies.

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Journal

Journal ID (nlm-ta): JFMS Open Rep

Journal ID (iso-abbrev): JFMS Open Rep

Journal ID (publisher-id): JOR

Journal ID (hwp): spjor

Title: JFMS Open Reports

Publisher: SAGE Publications (Sage UK: London, England )

ISSN (Electronic): 2055-1169

Publication date (Electronic): 14 November 2019

Publication date Collection: Jul-Dec 2019

Volume: 5

Issue: 2

Electronic Location Identifier: 2055116919885677

Affiliations

[1 ]Vet Hospital H24, Firenze, Italy

[2 ]Department of Veterinary Sciences, University of Pisa, Pisa, Italy

Author notes

[*]Simonetta Citi DVM, PhD, VRSp, Department of Veterinary Sciences, University of Pisa, Via Livornese, San Piero a Grado, Pisa 56122, Italy Email: simonetta.citi@ 123456unipi.it

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Simonetta Citi https://orcid.org/0000-0001-8211-9248

Article

Publisher ID: 10.1177_2055116919885677

DOI: 10.1177/2055116919885677

PMC ID: 6857115

SO-VID: 52ae8b35-fbfa-4d8f-9bfb-3268d20c69c4

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This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License ( http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages ( https://us.sagepub.com/en-us/nam/open-access-at-sage).

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cover-date July-December 2019

Keywords: sublumbar,foreign bodies,grass awn,ultrasonography

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Keywords: sublumbar, foreign bodies, grass awn, ultrasonography

Sublumbar grass awns in two cats: ultrasonographic features and ultrasound-guided retrieval

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Abstract

Case series summary

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Advocacy for Maternal and Women’s Health

Most cited references 25

Radiographic, computed tomographic, and ultrasonographic findings with migrating intrathoracic grass awns in dogs and cats.

Grass awn migration in dogs and cats: a retrospective study of 182 cases.

Bacterial meningoencephalitis and ventriculitis due to migrating plant foreign bodies in three dogs.

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