Department of Clinical Sciences, Tufts University, Cummings School of Veterinary Medicine, North Grafton, MA, USA.
Department of Comparative Pathobiology, Tufts University, Cummings School of Veterinary Medicine, North Grafton, MA, USA.
J Feline Med Surg. 2023 Dec;25(12):1098612X231216000. doi: 10.1177/1098612X231216000.
The aim of this study was to describe the abdominal ultrasonographic findings in cats with confirmed or presumed feline infectious peritonitis (FIP).
This was a retrospective study performed in an academic veterinary hospital. The diagnosis of FIP was reached on review of history, signalment, clinical presentation, complete blood count, biochemistry panel, peritoneal fluid analysis, cytology and/or histopathology results from abnormal organs, and/or molecular testing (immunohistochemical or FIP coronavirus [FCoV] RT-PCR). Cats with confirmed FIP by molecular testing or with a highly suspicious diagnosis of FIP were included. Abdominal ultrasound examination findings were reviewed.
In total, 25 cats were included. Common clinical signs/pathology findings included hyperglobulinemia (96%), anorexia/hyporexia (80%) and lethargy (56%). Abdominal ultrasound findings included effusion in 88% and lymphadenopathy in 80%. Hepatic changes were noted in 80%, the most common being hepatomegaly (58%) and a hypoechoic liver (48%). Intestinal changes were noted in 68% of cats, characterized by asymmetric wall thickening and/or loss of wall layering, with 52% being ileocecocolic junction and/or colonic in location. Splenic changes were present in 36% of cats, including splenomegaly, mottled parenchyma and hypoechoic nodules. Renal changes were present in 32%, encompassing a hypoechoic subcapsular rim and/or cortical nodules. Mesenteric and peritoneal abnormalities were seen in 28% and 16% of cats, respectively. Most cats (92%) had two or more locations of abdominal abnormalities on ultrasound.
The present study documents a wider range and distribution of ultrasonographic lesions in cats with FIP than previously reported. The presence of effusion and lymph node, hepatic and/or gastrointestinal tract changes were the most common findings, and most of the cats had a combination of two or more abdominal abnormalities.
本研究旨在描述确诊或疑似猫传染性腹膜炎（FIP）猫的腹部超声表现。
这是一项在学术兽医医院进行的回顾性研究。FIP 的诊断是通过回顾病史、品种、临床症状、全血细胞计数、生化小组、腹腔液分析、细胞学和/或来自异常器官的组织病理学结果以及/或分子检测（免疫组织化学或 FIP 冠状病毒[FCoV] RT-PCR）得出的。包括通过分子检测确诊的 FIP 猫和高度疑似 FIP 的猫。回顾了腹部超声检查结果。
共纳入 25 只猫。常见的临床症状/病理学发现包括高球蛋白血症（96%）、厌食/食欲减退（80%）和嗜睡（56%）。腹部超声发现包括积液 88%和淋巴结病 80%。肝脏变化在 80%的猫中可见，最常见的是肝肿大（58%）和肝脏低回声（48%）。68%的猫有肠道变化，特征为不对称性肠壁增厚和/或肠壁分层丧失，其中 52%位于回盲结肠交界处和/或结肠。36%的猫有脾脏变化，包括脾肿大、斑驳的实质和低回声结节。32%的猫有肾脏变化，包括低回声皮质下边缘和/或皮质结节。28%和 16%的猫分别有肠系膜和腹膜异常。大多数猫（92%）在超声上有两个或更多部位的腹部异常。
本研究记录了 FIP 猫的超声病变范围和分布比以前报道的更广泛。积液和淋巴结、肝脏和/或胃肠道变化的存在是最常见的发现，大多数猫有两个或更多腹部异常的组合。
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