Kellner H, Späthling S, Herzer P
Medical Policlinic, University of Munich, Germany.
J Rheumatol. 1992 Jan;19(1):38-41.
Arthritis of acute sarcoidosis or Löfgren's syndrome commonly affects the ankles. However, it is often difficult to determine by clinical means whether swelling of the ankles is due to frank arthritis or involvement of periarticular tissues. Therefore, sonographic examinations were performed in 24 consecutive patients with acute sarcoidosis, 16 of them with the typical triad of Löfgren's syndrome. Joint effusions could be demonstrated only by ultrasound in 6 patients. Sonographic findings consistent with tenosynovitis were found in 8 cases. In the majority of cases (20/24) the predominant abnormalities were hypoechogenic structures within the subcutis and periarticular tissues. Thus, frank arthritis is rather a rare cause of ankle swelling in Löfgren's syndrome; more often presumed joint manifestations can be attributed to subcutaneous or periarticular inflammation.
急性结节病或 Löfgren 综合征的关节炎通常累及踝关节。然而，通过临床手段往往很难确定踝关节肿胀是由于明显的关节炎还是关节周围组织受累所致。因此，对 24 例连续的急性结节病患者进行了超声检查，其中 16 例具有 Löfgren 综合征的典型三联征。仅在 6 例患者中通过超声证实存在关节积液。8 例发现有与腱鞘炎相符的超声表现。在大多数病例（20/24）中，主要异常是皮下和关节周围组织内的低回声结构。因此，在 Löfgren 综合征中，明显的关节炎是踝关节肿胀的相当罕见的原因；更多情况下，推测的关节表现可归因于皮下或关节周围炎症。
