Sonography and sonoelastography in the detection of malignancy in superficial lymph nodes of dogs

Background The clinical applicability of sonography and sonoelastography (SOE) in the detection of lymph node malignancy in dogs has not been established. Objectives To compare sonographic and sonoelastographic findings between malignant and benign superficial lymph nodes and to evaluate the diagnos...

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Bibliographic Details
Published in:Journal of veterinary internal medicine 2019-05, Vol.33 (3), p.1403-1413
Main Authors: Belotta, Alexandra F., Gomes, Marcela C., Rocha, Noeme S., Melchert, Alessandra, Giuffrida, Rogério, Silva, Jeana P., Mamprim, Maria J.
Format: Article
Language:English
Subjects:
Animal sciences
Animals
Benign
canine
Cellular biology
Clinical medicine
Cytology
Diagnosis, Differential
Dog Diseases - diagnostic imaging
Dogs
Doppler
Elasticity
Elasticity Imaging Techniques - veterinary
elastography
Ethics
Flow mapping
Histology
Histopathology
Lymph nodes
Lymph Nodes - diagnostic imaging
Lymphatic Metastasis - diagnostic imaging
Lymphatic system
lymphoid tissue
Lymphoma - diagnostic imaging
Lymphoma - veterinary
Malignancy
Metastasis
Prospective Studies
SMALL ANIMAL
Studies
Ultrasonic imaging
Ultrasonography - veterinary
ultrasound
Variables
Velocity
Veterinary colleges
Veterinary medicine
Zoology
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Summary:Background The clinical applicability of sonography and sonoelastography (SOE) in the detection of lymph node malignancy in dogs has not been established. Objectives To compare sonographic and sonoelastographic findings between malignant and benign superficial lymph nodes and to evaluate the diagnostic performance of those methods. Animals One‐hundred sixteen lymph nodes of 54 dogs. Methods A prospective observational study was used to investigate sonographic features and elasticity scores of malignant and benign superficial lymph nodes. Lymph nodes were categorized as malignant or benign according to cytology or histopathology. Quantitative variables were compared using Student's unpaired t test. Prevalence of categorical variables was compared using nonparametric Mann‐Whitney U test. Diagnostic performance was calculated by receiver‐operating characteristic analysis. Results Forty‐nine malignant and 67 benign lymph nodes were included. Malignant nodes had larger long axis (LA; P = .0002), short axis (SA; P 
ISSN:0891-6640
1939-1676
DOI:10.1111/jvim.15469