PMC6657120_01
(A, B) Images of the sagittal plane (T1-weighted image) showed thickened Achilles tendons with a high signal strip (white arrow).
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Proton density-weighted (PDW) images showed that the corresponding regions still produced abnormal signals in a strip or grid (Figures 1-3).
(A, B) Images of the sagittal plane (proton density-weighted) showed thickened Achilles tendons with a high signal strip, anterior border protuberance (white arrow), with no abnormal signal close to the subcutaneous tissues.
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Proton density-weighted (PDW) images showed that the corresponding regions still produced abnormal signals in a strip or grid (Figures 1-3).
(A, B) Images of the axial plane (proton density-weighted) showed thickened bilateral tendons and right peroneal longus tendon with high (grid) and low (nodules) signal (white arrow).
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Proton density-weighted (PDW) images showed that the corresponding regions still produced abnormal signals in a strip or grid (Figures 1-3).
(A, B) Images of ultrasonography showed thickened bilateral tendons and inhomogeneous echo. Continuity of bilateral tendons was acceptable.
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The anteroposterior diameters of the left and right Achilles tendons were approximately 1.4 and 1.1 cm, respectively (Figure 4A and B).
Pathologic examination of excised tissue indicated the presence of foam cells, gouty crystals, a large number of macrophages, and other inflammatory cells with proliferation of tendon sheath fibers. (HEx10) Hematoxylin and Eosin Stain.
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Combined with laboratory tests of hyperlipidemia and hyperuricemia, a diagnosis of xanthoma combined with gout infiltration of the Achilles tendon was made (Figure 5A and B).