National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland.
Hospital da Luz-Lisboa.
Acta Reumatol Port. 2020 Jan-Mar;45(1):20-25.
Gout is the most common crystal arthropathy, accounting for up to 5% of all arthritis. The hallmark of the disease is hyperuricemia with the subsequent deposition of monosodium urate (MSU) crystals in the intra- and extra-articular soft tissues and bones, leading to inflammation of these tissues. Recurrent intermittent flares can result in chronic gouty arthritis leading to cartilage and bone destruction. The most sensitive and specific imaging methods for diagnosing acute gout are ultrasound and dual energy computed tomography (DECT). In the chronic or tophaceous gout, imaging may depict tophi and their local destructive effect on surrounding tissues with characteristic findings on radiographs. In this pictorial review the imaging features of acute and chronic gout on radiographs, ultrasound, and DECT are presented, as well as imaging pitfalls that one needs to be aware.
痛风是最常见的晶体性关节病,占所有关节炎的 5%。该病的标志是高尿酸血症,随后单钠尿酸盐(MSU)晶体在关节内和关节外的软组织和骨骼中沉积,导致这些组织的炎症。反复发作的间歇性发作可导致慢性痛风性关节炎,导致软骨和骨破坏。诊断急性痛风最敏感和最特异的影像学方法是超声和双能 CT(DECT)。在慢性或痛风石性痛风中,影像学检查可能会显示痛风石及其对周围组织的局部破坏性影响,X 线片上有特征性表现。在本影像综述中,我们介绍了 X 线片、超声和 DECT 上急性和慢性痛风的影像学特征,以及需要注意的影像学陷阱。
Acta Reumatol Port. 2020
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