Radiographic and CT features of metallosis in a lame dog after total hip replacement: the cloud sign

被引：1

作者：

Lucaci, Felix Daniel ^{[1
]}

Battiato, Pierantonio ^{[2
]}

Bassi, Jessica ^{[2
]}

Zani, Davide Danilo ^{[2
]}

De Zani, Donatella ^{[2
]}

Vezzoni, Aldo ^{[3
]}

Stranieri, Angelica ^{[2
]}

Longo, Maurizio ^{[2
,4
]}

机构：

[1] Univ Agr Sci & Vet Med, Fac Vet Med, Cluj Napoca, Romania

[2] Univ Milan, Dept Vet Med & Anim Sci, Lodi, Italy

[3] Clin Vet Vezzoni, Cremona, Italy

[4] Univ Milan, Vet Teaching Hosp, Diagnost Imaging Div, I-26900 Lodi, Italy

来源：

VETERINARY RADIOLOGY & ULTRASOUND | 2024年 / 65卷 / 01期

关键词：

bubble sign; hip dysplasia; postoperative complication; PSEUDOTUMOR FORMATION; ARTHROPLASTY;

D O I：

10.1111/vru.13322

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

A 2-year-old female American Akita was referred for CT of the pelvis and hindlimbs due to a left hindlimb lameness after a left total hip replacement. Referral radiographs and CT images demonstrated amorphous soft-tissue and mineral opacities surrounding the proximal femur and the prosthetic stem, consistent with the "cloud sign" reported as a characteristic of metallosis in humans. Dorsomedial displacement of the prosthetic head, multiple foci of geographic osteolysis alongside the "cloud sign", presumed pseudotumor lesions, and medial iliac lymphadenopathy were also identified with CT. Metallosis was confirmed based on ultrasound-guided cytology, revision surgery, and histopathology.

引用

页码：49 / 53

页数：5

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