Kane D, Balint P V, Wood F and Sturrock R D. Early diagnosis of pyomyositis using clinic-based ultrasonography in a patient receiving infliximab therapy for Behçet's disease. Rheumatology 2003;42:1564–5.
The publisher wishes to apologise for inadvertently omitting Figure 1 from this Letter to the Editor. The figure is reproduced below.
![(A) Longitudinal view of middle third of right upper arm at initial presentation. There is a hypoechoic fluid collection (F) lying between the biceps muscle (M) and shaft of humerus (H) with hypoechogenicity in the inferior muscle fibres suggestive of muscle inflammation and oedema. (B) Transverse view through the same region. Increased power Doppler signal is observed in the soft tissues immediately adjacent to the hypoechoic fluid collection with some evidence of inflammation in the inferior aspect of the musculature. (C) Longitudinal view of the middle third of right upper arm 8 weeks after recommencing infliximab. There is no evidence of a hypoechoic fluid collection or myositis. DI, distal; F, fluid; H, humerus; LA, lateral; M, muscle; ME, medial; PR, proximal; S, skin. [This figure can be viewed in colour on the Rheumatology website.]](https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/rheumatology/43/2/10.1093_rheumatology_keh122/1/m_keh122f1.gif?Expires=1749522328&Signature=SAuKE4bm3rnj-FVchJRJDyxoCbFyMFzWNjT3QvSZLDeu0YaSVCnXbz6-98cFAStP1kzQI5Ly716GIukDp8gYdt9lf9e2qO6WNc1Ncf~Ca4yk-vYDgh2q1HU8whoRHCpyxz0tzsM-5g7Nq6OCxmlDGwQe624l2cVn-wsD-DEl1lc~9nxkHMGko4y0PGTJk1KAhWrna6EvujWU8L8UgsJq-XbXp9QV1XzXOQ6M48dZ7h0KYKSd-35V~ZfMRN4JsxRBPmuL~ZEl4W0tObckiR9aUOOU0Xt70qXh27wp8hyRVEjpq817rmIkOg4~ut3Tpj14SbkoLW0WNAfHaY~JxhIagw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
(A) Longitudinal view of middle third of right upper arm at initial presentation. There is a hypoechoic fluid collection (F) lying between the biceps muscle (M) and shaft of humerus (H) with hypoechogenicity in the inferior muscle fibres suggestive of muscle inflammation and oedema. (B) Transverse view through the same region. Increased power Doppler signal is observed in the soft tissues immediately adjacent to the hypoechoic fluid collection with some evidence of inflammation in the inferior aspect of the musculature. (C) Longitudinal view of the middle third of right upper arm 8 weeks after recommencing infliximab. There is no evidence of a hypoechoic fluid collection or myositis. DI, distal; F, fluid; H, humerus; LA, lateral; M, muscle; ME, medial; PR, proximal; S, skin. [This figure can be viewed in colour on the Rheumatology website.]
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