Diagnostic Imaging of Head and Neck in Ruminants

A special issue of Veterinary Sciences (ISSN 2306-7381). This special issue belongs to the section "Veterinary Biomedical Sciences".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 7696

Special Issue Editor


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Guest Editor
Diagnostic Imaging Class, Joint Department of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori, Japan
Interests: bovine; computed tomography; magnetic resonance imaging; surgery; ultrasonography

Special Issue Information

Dear Colleagues,

Imaging is one of the essential options of clinical examinations in diagnosing various diseases in ruminants such as cattle, buffalos, camels, llamas, alpacas, sheep, and goats. The common regions of the animal’s body are the chest, abdomen, central nervous system, and musculoskeletal system, when examined by imaging devices such as radiography, ultrasonography, computed tomography (CT), magnetic resonance imaging (MRI), and endoscopy. Compared with these organs, imaging techniques are not fully, routinely developed in the diagnoses of diseases associated with congenital and hereditary factors, infection, tumor, and trauma involved in the areas of the head (such as brain, skull, mandible, nose, orbit, eye, ear, tongue, teeth, and pharyngolarynx) and neck (such as vertebra, spine, trachea, esophagus, and thyroid gland), although there have been some previous reports describing applications of advanced imaging devices such as CT and MRI for these organs. The aims of this Special Issue are to establish the technical standard and criteria in diagnostic imaging of head and neck in ruminants through methodological evaluation, and to clarify diagnostic efficacy and accuracy through case presentation.

We look forward to receiving your contributions.

Dr. Takeshi Tsuka
Guest Editor

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Keywords

  • head
  • neck
  • ruminants
  • radiography
  • ultrasonography
  • computed tomography
  • magnetic resonance imaging
  • endoscopy

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Published Papers (2 papers)

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11 pages, 2049 KiB  
Article
Diagnostic and Therapeutic Evaluations of Computed Tomography in Three Calves with Unilateral Otitis Media Treated with Ventral Bulla Osteotomy
by Takeshi Tsuka, Takao Amaha and Yoshiharu Okamoto
Vet. Sci. 2022, 9(5), 218; https://doi.org/10.3390/vetsci9050218 - 29 Apr 2022
Cited by 1 | Viewed by 3966
Abstract
This case report describes the clinical utility of computed tomography (CT) in preoperative evaluation of otitis media in three calves, each exhibiting unilateral head tilt and ear droop. Of the three animals examined by CT, right-sided and left-sided involvements of this disease could [...] Read more.
This case report describes the clinical utility of computed tomography (CT) in preoperative evaluation of otitis media in three calves, each exhibiting unilateral head tilt and ear droop. Of the three animals examined by CT, right-sided and left-sided involvements of this disease could be diagnosed in two animals and one animal, respectively, as represented by the accumulations of hyperattenuating contents within the extended tympanic bulla. These cases were treated with a ventral bulla osteotomy, which was conducted between the sternothyroid muscle and the omohyoid muscle via an incision made caudally to the area of the thyroid cartilage. The postoperative outcome was satisfactory in one case. However, the remaining two cases showed unsatisfactory outcomes; one calf died on the 10th postoperative day, as it was already seriously ill. The other animal died suddenly during surgery, potentially due to stimulation of the vagus nerve. The use of CT could allow effective visualization of unilateral lesions, proving helpful for the recommendation of surgical intervention. Based on the unfavorable results in two cases, we note that to prevent surgical complications, the clinical applicability of CT such as the creation of severity criteria and development of imaging-assist procedure should be advanced. Full article
(This article belongs to the Special Issue Diagnostic Imaging of Head and Neck in Ruminants)
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8 pages, 3480 KiB  
Case Report
Surgical Treatment of a Retropharyngeal Abscess in a Japanese Black Cow
by Shoichi Okada, Kim Sueun, Ryosuke Ichikado, Kohei Kuroda, Yoshiyuki Inoue, Yoshiki Nakama, Hiroyuki Satoh and Reiichiro Sato
Vet. Sci. 2022, 9(8), 446; https://doi.org/10.3390/vetsci9080446 - 20 Aug 2022
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Abstract
A 17-month-old Japanese Black cow presented with inappetence, wheezing, dysphagia, and drooling. Radiography and ultrasonography revealed an oval, dorsal, pharyngeal mass, with an internal horizontal line demarcating the radiolucent area from the radio-opaque area. Upper airway endoscopy revealed pus-like deposits in the dorsal [...] Read more.
A 17-month-old Japanese Black cow presented with inappetence, wheezing, dysphagia, and drooling. Radiography and ultrasonography revealed an oval, dorsal, pharyngeal mass, with an internal horizontal line demarcating the radiolucent area from the radio-opaque area. Upper airway endoscopy revealed pus-like deposits in the dorsal nasal passage, hyperemia, and edema in the dorsal pharynx, leading to swelling and airway obstruction. Manual palpation, after sedation, revealed a thickened mass surface, which was difficult to rupture with manual pressure. After inserting a linear sonographic probe through the mouth to establish the vascularity surrounding the mass and to identify a relatively thin-walled area, a trocar was pierced into the mass under endoscopic guidance, and the opening was enlarged manually. The mass was filled with stale pus-like material, which was removed manually. The abscess cavity was washed using saline and povidone–iodine. Day 1 post-surgery, dysphagia and wheezing disappeared. Day 16 post-surgery, endoscopy showed significant improvement in the airway patency. One year postoperatively, the owner reported that the cow had an uneventful recovery. For deep abscesses, such as bovine pharyngeal abscesses, it is important to perform a preoperative transoral Doppler ultrasonography to assess the vascularity and thickness of the abscess wall for safe trocar insertion and abscess drainage. Full article
(This article belongs to the Special Issue Diagnostic Imaging of Head and Neck in Ruminants)
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