A "gullwing sign" on magnetic resonance imaging of extradural spinal tumors in dogs and cats allows prioritization of round cell neoplasia
Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions ("gullwing sign") on MRI has been described with various conditions. The objective of this retrospective study was to determine if a "gullwing sign"...
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| Published in | Veterinary radiology & ultrasound |
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| Format | Journal Article |
| Language | English |
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England
27.09.2024
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| Abstract | Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions ("gullwing sign") on MRI has been described with various conditions. The objective of this retrospective study was to determine if a "gullwing sign" is more common with certain types of extradural tumors. MRI studies of dogs and cats with extradural spinal neoplasms were reviewed for the presence of a "gullwing sign". Statistical analysis was performed to evaluate a possible relationship between tumor class and the presence of a "gullwing sign". Sixty-six cases were included (5 epithelial, 31 mesenchymal, 4 neuroendocrine, and 26 round cell tumors). A "gullwing sign" was identified in 12 of 66 cases (18.2%) and was significantly more common with round cell neoplasia than other tumor types (P < .001; OR = 28.6, 95% CI [3.4, 241.1]). This information may aid radiologists in prioritizing differential diagnoses for extradural tumors in small animals. |
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| AbstractList | Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions ("gullwing sign") on MRI has been described with various conditions. The objective of this retrospective study was to determine if a "gullwing sign" is more common with certain types of extradural tumors. MRI studies of dogs and cats with extradural spinal neoplasms were reviewed for the presence of a "gullwing sign". Statistical analysis was performed to evaluate a possible relationship between tumor class and the presence of a "gullwing sign". Sixty-six cases were included (5 epithelial, 31 mesenchymal, 4 neuroendocrine, and 26 round cell tumors). A "gullwing sign" was identified in 12 of 66 cases (18.2%) and was significantly more common with round cell neoplasia than other tumor types (P < .001; OR = 28.6, 95% CI [3.4, 241.1]). This information may aid radiologists in prioritizing differential diagnoses for extradural tumors in small animals.Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions ("gullwing sign") on MRI has been described with various conditions. The objective of this retrospective study was to determine if a "gullwing sign" is more common with certain types of extradural tumors. MRI studies of dogs and cats with extradural spinal neoplasms were reviewed for the presence of a "gullwing sign". Statistical analysis was performed to evaluate a possible relationship between tumor class and the presence of a "gullwing sign". Sixty-six cases were included (5 epithelial, 31 mesenchymal, 4 neuroendocrine, and 26 round cell tumors). A "gullwing sign" was identified in 12 of 66 cases (18.2%) and was significantly more common with round cell neoplasia than other tumor types (P < .001; OR = 28.6, 95% CI [3.4, 241.1]). This information may aid radiologists in prioritizing differential diagnoses for extradural tumors in small animals. Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions ("gullwing sign") on MRI has been described with various conditions. The objective of this retrospective study was to determine if a "gullwing sign" is more common with certain types of extradural tumors. MRI studies of dogs and cats with extradural spinal neoplasms were reviewed for the presence of a "gullwing sign". Statistical analysis was performed to evaluate a possible relationship between tumor class and the presence of a "gullwing sign". Sixty-six cases were included (5 epithelial, 31 mesenchymal, 4 neuroendocrine, and 26 round cell tumors). A "gullwing sign" was identified in 12 of 66 cases (18.2%) and was significantly more common with round cell neoplasia than other tumor types (P < .001; OR = 28.6, 95% CI [3.4, 241.1]). This information may aid radiologists in prioritizing differential diagnoses for extradural tumors in small animals. Abstract Extradural neoplasms are the most common spinal tumors in small animals. A bilobed appearance of ventral extradural spinal lesions (“gullwing sign”) on MRI has been described with various conditions. The objective of this retrospective study was to determine if a “gullwing sign” is more common with certain types of extradural tumors. MRI studies of dogs and cats with extradural spinal neoplasms were reviewed for the presence of a “gullwing sign”. Statistical analysis was performed to evaluate a possible relationship between tumor class and the presence of a “gullwing sign”. Sixty‐six cases were included (5 epithelial, 31 mesenchymal, 4 neuroendocrine, and 26 round cell tumors). A “gullwing sign” was identified in 12 of 66 cases (18.2%) and was significantly more common with round cell neoplasia than other tumor types ( P < .001; OR = 28.6, 95% CI [3.4, 241.1]). This information may aid radiologists in prioritizing differential diagnoses for extradural tumors in small animals. |
| Author | Auger, Mylène Monto, Tom Springer, Cary M Hecht, Silke |
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| Cites_doi | 10.1111/vru.12340 10.1111/vru.12759 10.2460/javma.255.6.687 10.1201/9781315121055 10.3389/fvets.2022.980414 10.1111/jvim.15673 10.3389/fvets.2020.610490 10.5326/JAAHA-MS-7063 10.1111/vru.13093 10.1016/B978-0-323-59496-7.00031-1 10.1111/jvim.16350 |
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| References_xml | – volume: 57 start-page: 154 year: 2016 ident: e_1_2_7_5_1 article-title: Magnetic resonance imaging findings in the spine of six dogs diagnosed with lymphoma publication-title: Vet Radiol Ultrasound doi: 10.1111/vru.12340 contributor: fullname: Allett B – volume: 60 start-page: 409 year: 2019 ident: e_1_2_7_9_1 article-title: Neurological signs and MRI findings in 12 dogs with multiple myeloma publication-title: Vet Radiol Ultrasound doi: 10.1111/vru.12759 contributor: fullname: Wyatt S – volume: 255 start-page: 687 year: 2019 ident: e_1_2_7_12_1 article-title: Anatomic description and clinical relevance of the meningovertebral ligament in dogs publication-title: J Am Vet Med Assoc doi: 10.2460/javma.255.6.687 contributor: fullname: Kent Marc – start-page: 527 volume-title: Diagnostic MRI in dogs and cats year: 2018 ident: e_1_2_7_2_1 doi: 10.1201/9781315121055 contributor: fullname: Mai W – volume: 9 year: 2022 ident: e_1_2_7_6_1 article-title: Clinical and magnetic resonance imaging features, and pathological findings of spinal lymphoma in 27 cats publication-title: Front Vet Sci doi: 10.3389/fvets.2022.980414 contributor: fullname: Lorenzo V – volume: 34 start-page: 828 year: 2020 ident: e_1_2_7_8_1 article-title: Clinicopathological characteristics of histiocytic sarcoma affecting the central nervous system in dogs publication-title: J Vet Intern Med doi: 10.1111/jvim.15673 contributor: fullname: Toyoda I – ident: e_1_2_7_11_1 doi: 10.3389/fvets.2020.610490 – volume: 57 start-page: 189 year: 2021 ident: e_1_2_7_10_1 article-title: MRI features of solitary vertebral masses in dogs: 20 cases (2010‐2019) publication-title: J Am Anim Hosp Assoc doi: 10.5326/JAAHA-MS-7063 contributor: fullname: Hanot EM – volume: 63 start-page: 552 year: 2022 ident: e_1_2_7_4_1 article-title: Cranial and vertebral osteosarcoma commonly has T2 signal heterogeneity, contrast enhancement, and osteolysis on MRI: a case series of 35 dogs publication-title: Vet Radiol Ultrasound doi: 10.1111/vru.13093 contributor: fullname: Tam C – start-page: 657 volume-title: Withrow and MacEwen's small animal clinical oncology year: 2019 ident: e_1_2_7_3_1 doi: 10.1016/B978-0-323-59496-7.00031-1 contributor: fullname: Rossmeisl JH – volume: 36 start-page: 679 year: 2022 ident: e_1_2_7_7_1 article-title: Clinical and magnetic resonance imaging features of lymphoma involving the nervous system in cats publication-title: J Vet Intern Med doi: 10.1111/jvim.16350 contributor: fullname: Durand A |
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| Title | A "gullwing sign" on magnetic resonance imaging of extradural spinal tumors in dogs and cats allows prioritization of round cell neoplasia |
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