Imaging of Acute Head and Neck Infections

Gonzalez-Beicos, Aldo; Nuñez, Diego

doi:10.1016/j.rcl.2011.08.004

Cited by 42 publications

(38 citation statements)

References 24 publications

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“…This finding is consistent with the veterinary literature in which neoplasia is associated with an older age demographic and lymphadenitis is mostly reported in young dogs . Similarly, in human medicine, cervical lymphadenitis is described predominantly in children and young adults . The historical finding of lethargy was significantly more likely to be present in the nonneoplastic inflammatory group than the neoplastic group.…”

Section: Discussionsupporting

confidence: 91%

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Clinical and Magnetic Resonance Imaging Features of Inflammatory Versus Neoplastic Medial Retropharyngeal Lymph Node Mass Lesions in Dogs and Cats

Johnson

Elders

Pey

et al. 2015

Vet Radiology Ultrasound

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Medial retropharyngeal lymph node (MRLN) mass lesions are a common cause of cranial cervical masses in dogs and cats, and are predominantly due to metastatic neoplasia, primary neoplasia, or inflammatory lymphadenitis. The purpose of this retrospective cross-sectional study was to test the hypothesis that clinical and magnetic resonance imaging (MRI) characteristics for dogs and cats with MRLN mass lesions would differ for inflammatory vs. neoplastic etiologies. Dogs and cats with MRLN mass lesions that had undergone MRI and had a confirmed cytological or histopathological diagnosis were recruited from medical record archives. Clinical findings were recorded by one observer and MRI characteristics were recorded by two other observers who were unaware of clinical findings. A total of 31 patients were sampled, with 15 in the inflammatory lymphadenitis group and 16 in the neoplasia group. Patients with inflammatory lymphadenitis were more likely to be younger and present with lethargy (P = 0.001), pyrexia (P = 0.000), and neck pain (P = 0.006). Patients with inflammatory lymphadenitis were also more likely to have a leukocystosis (P = 0.02) and segmental neutrophilia (P = 0.001). Inflammatory masses were more likely to have moderate or marked MRI perinodal contrast enhancement (P = 0.021) and local muscle contrast enhancement (P = 0.03) whereas the neoplastic masses were more likely to have greater MRI width (P = 0.002) and height (P = 0.009). In conclusion, findings indicated that some clinical and MRI characteristics differed for dogs and cats with inflammatory vs. neoplastic medial retropharyngeal lymph node masses. Although histopathological or cytological diagnosis remains necessary for confirmation, these findings may help with the ranking of differential diagnoses of future cases.

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Section: Discussionsupporting

confidence: 91%

“…Magnetic resonance imaging (MRI) has been established as a technique for evaluating patients with cervical mass lesions . Both neoplastic and inflammatory etiologies have been reported to cause enlarged, rounded nodes with loss of the fatty hilum and cortical expansion.…”

Section: Introductionmentioning

confidence: 99%

Clinical and Magnetic Resonance Imaging Features of Inflammatory Versus Neoplastic Medial Retropharyngeal Lymph Node Mass Lesions in Dogs and Cats

Johnson

Elders

Pey

et al. 2015

Vet Radiology Ultrasound

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“…[1][2][3] Several strategies have been developed for both radiation dose reduction and improvement of image quality. These typically involve adjusting CT acquisition parameters such as tube voltage, tube current, tube rotation time, pitch, and collimation to the patient body and examined body region.…”

Section: Discussionmentioning

confidence: 99%

Advanced Modeled Iterative Reconstruction in Low-Tube-Voltage Contrast-Enhanced Neck CT: Evaluation of Objective and Subjective Image Quality

Scholtz

Kaup

Hüsers

et al. 2015

AJNR Am J Neuroradiol

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“…Sinus infections may spread directly through the sinus walls or communicating facial veins, particularly into the orbital cavity. 8 The roof, floor, and medial orbital walls that separate the orbital contents from the frontal, maxillary, and ethmoid sinuses, respectively, are thin and relatively weak. Therefore, aggressive infections may spread directly from the intact sinus bony walls into the orbit 3 or from naturally occurring bony dehiscences.…”

Section: Discussionmentioning

confidence: 99%

Orbital Fracture Leading to Severe Multifascial Space Infection Including the Parapharyngeal Space: A Report of a Case and Review of the Literature

Park

Marchiori

Barber

et al. 2014

Craniomaxillofacial Trauma & Reconstruction

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Orbital trauma can result in periorbital and orbital infections. Orbital infections have been classified by Chandler et al in 1970 to their anatomic location and boundaries. This case report describes a patient who developed a severe orbital infection following orbital fractures. The infection progressed to the parapharyngeal space. The patient required multiple incision and drainage surgeries and tissue debridements to have clinical resolution. To our knowledge, there has not been a case described in the literature of an orbital infection progressing to the parapharyngeal space. A literature review of orbital trauma leading to infection discusses the pathogenesis of the infections. This case demonstrates that close clinical follow-up and appropriate medical management of comorbidities that put a patient at higher risk of developing an infection is of the utmost importance in the treatment of maxillofacial trauma patients.

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Imaging of Acute Head and Neck Infections

Cited by 42 publications

References 24 publications

Clinical and Magnetic Resonance Imaging Features of Inflammatory Versus Neoplastic Medial Retropharyngeal Lymph Node Mass Lesions in Dogs and Cats

Clinical and Magnetic Resonance Imaging Features of Inflammatory Versus Neoplastic Medial Retropharyngeal Lymph Node Mass Lesions in Dogs and Cats

Advanced Modeled Iterative Reconstruction in Low-Tube-Voltage Contrast-Enhanced Neck CT: Evaluation of Objective and Subjective Image Quality

Orbital Fracture Leading to Severe Multifascial Space Infection Including the Parapharyngeal Space: A Report of a Case and Review of the Literature

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