| Once a tophus has developed, this is visible on MRI imaging, but unfortunately the findings are not pathognomonic. |
| The slides stained with HE and our method were examined with a light microscope for the presence of urate crystals and diagnostic histologic features of gouty tophus. |
| Four years later, he obtained uric acid from a gouty tophus. |
| Diagnosis is by removing fluid from an affected joint or tophus and identifying urate crystals under a polarized-light microscope. |
| One swallow does not make a summer, but one tophus makes gout and one crescent malaria. |
| The exclusion criteria were patients who presented with gout but without tophus and patients with other crystal illnesses. |
