Table 3 Results of DECT scanning in patients with tophaceous gout
Patient | Crystal-proven diagnosis | MSU deposits evident by DECT | Correlation of clinical and radiographic findings with DECT imaging for MSU deposits | ||
|---|---|---|---|---|---|
Evidence for tophaceous disease | Site of tophi | DECT MSU deposit at site | |||
12 | No | Yes | Erosions on radiograph | Left 1st MTP | + |
13 | Yes | Yes | Surgical specimen | Left wrist | + |
Erosions on radiograph | Right 2nd MTP | + | |||
14 | No | Yes | Erosions on radiograph | Right 1st MTP | - |
15 | Yes | Yes | Palpable tophi | Right olecranon bursa Left olecranon bursa | + + |
Erosions on radiograph | Right 1st MTP | + | |||
16 | Yes | Yes | Surgical specimen | Right peroneus tendon | - |
17 | Yes | Yes | Palpable tophi | Dorsum right long finger PIP Dorsum right little finger PIP | Upper extremity DECT not done |
18 | Yes | Yes | Erosions on radiograph | Right carpus Left ring finger PIP | - - |
19 | No | Yes | Palpable tophi | Right Olecranon bursa Left olecranon bursa Left ulnar styloid Dorsum left ring finger MCP Right thumb pad Volar left little finger PIP Right index fingertip pad Right 1st MTP Left 1st MTP | - + - - + - + + + |
20 | Yes | Yes | Palpable tophi | Left thumb MP Left little MCP Left index PIP Left long PIP radial aspect Left ring PIP Left little between PIP/DIP dorsal Right index PIP Right little DIP Right long PIP Dorsum left foot Dorsolateral left ankle Lateral left midfoot Right 1st MTP Right 2nd DIP (draining) | + + + + - + + - + + + + + + |
Erosions on radiograph | Right carpus Right index PIP Right little DIP | + + + | |||
21 | Yes | Yes | Surgical specimen | Left 1st MTP | + |
Erosions on radiograph | Left 1st MTP | + | |||
Palpable tophus | Left 1st MTP | + | |||