CT and MRI Imaging Diagnosis of Epidural Idiopathic Sterile Pyogranulomatous Inflammation in a Dog Spinal Canal

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A 12-year-old neutered male shih tzu developed progressive pelvic limb paraparesis. Computed tomography showed a radiolucent mass lesion in the spinal canal at the left side of the 11th thoracic vertebra. The mass was not enhanced by intravenous contrast medium injection. It was hyperintense on both T1- and T2-weighted magnetic resonance images. The signal intensity of the mass was decreased with a fat suppression technique, indicating a fatty origin. After removal of the mass via T11–T12 hemilaminectomy, chronic panniculitis was confirmed by histopathological examination. This case demonstrates the utility of computed tomography and magnetic resonance imaging for the diagnosis of spinal canal pyogranulomatous inflammation.

著者

MOMOI Yasuyuki
Laboratory of Veterinary Diagnostic Imaging, Faculty of Agriculture, Kagoshima University
Miura Naoki
Veterinary Teaching Hospital Faculty Of Agriculture Kagoshima University
MIYOSHI Noriaki
Laboratory of Pathology, Department of Veterinary Medicine, Kagoshima University
Miyoshi Noriaki
Dep. Of Veterinary Histopathology Joint Fac. Of Veterinary Medicine Kagoshima Univ.
FUJIKI Makoto
Laboratory of Surgery, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
MIYOSHI Noriaki
Laboratory of Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
MURATA Daiki
Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
IWANAGA Tomoko
Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
TOKUNAGA Satoshi
Laboratory of Surgery, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
KITANO Yoshiaki
Kitano Animal Hospital, 299 Heiwa-cyo, Izumi 899–0217, Japan
MURATA Daiki
Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
TOKUNAGA Satoshi
Laboratory of Surgery, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
IWANAGA Tomoko
Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
MOMOI Yasuyuki
Laboratory of Diagnostic Imaging, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
KITANO Yoshiaki
Kitano Animal Hospital, 299 Heiwa-cyo, Izumi 899–0217, Japan
MIYOSHI Noriaki
Laboratory of Histopathology, Joint Faculty of Veterinary Medicine, Kagoshima University
IWANAGA Tomoko
Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University
FUJIKI Makoto
Laboratory of Surgery, Joint Faculty of Veterinary Medicine, Kagoshima University
MOMOI Yasuyuki
Laboratory of Diagnostic Imaging, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan

CT and MRI Imaging Diagnosis of Epidural Idiopathic Sterile Pyogranulomatous Inflammation in a Dog Spinal Canal

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