Table 1.
Sonographic findings in patients who underwent ultrasound-guided Morton’s neuroma injections with clinical follow-up
| Pt # | Neuroma Location | Size | Other Findings/Comments |
|---|---|---|---|
| 1 | RT 2 | 11 × 6 mm | Small bursa associated with 3WS neuroma |
| RT 3 | 12 × 8.5 mm | ||
| 2A | LT 2 | 9 × 9 mm | Postop: stump neuroma in 2WS |
| Small stump neuroma also present in 3WS | |||
| 2B | LT 2 | Same patient as 2A; same webspace injected 4 months later | |
| 3 | LT 2 | 10 mm | 1 cc solution injected; was seen to fill associated plantar bursa |
| 4 | RT 2 | 7 × 7 mm | |
| RT 3 | 7 × 6 mm | ||
| LT 2 | 5 mm | ||
| LT 3 | 5 mm | ||
| 5 | RT 2 | 7.6 × 6 mm | 0.5 cc solution injected |
| postop 3 and 4 WS neuroma excisions, ipsilateral foot | |||
| 6 | LT 2 | ||
| LT 3 | 7 × 5 mm | ||
| 7 | RT 2 | 13 × 12 mm | Small bursa in right 1WS; small neuroma in left 1WS |
| RT 3 | 13 × 5 mm | ||
| LT 2 | 11 × 11 mm | ||
| LT 3 | 5 × 6 mm | ||
| 8 | LT 2 | 6.5 × 6.5 mm | 0.5 cc Vit B12 included in mixture instead of 1% lidocaine |
| 9 | LT 2 | ||
| LT 3 | |||
| 10 | RT 2 | 10 × 7 mm | Small neuroma also in right 1WS |
| LT 2 | 12 × 7 mm | ||
| 11 | RT 2 | 15 × 10 mm | Small adventitial bursa with LT 2WS neuroma |
| RT 3 | 18 × 12 mm | ||
| LT 2 | 9 × 9 mm | ||
| LT 3 | 17 × 9 mm | ||
| 12 | RT 2 | ||
| 13 | RT 2 | 11.5 × 10 mm | 0.5 cc Vit B12 included in mixture instead of 1% lidocaine |
| RT 3 | 8.6 mm | ||
| 14 | RT 2 | 17.5 × 11.5 mm | |
| RT 3 | 12 × 7 mm | ||
| 15 | LT 2 | 16.5 × 12 mm | 2MTP joint synovitis present; also injected |
| Small 3 WS neuroma also present | |||
| 16 | LT 2 | 9.6 mm | Pt symptomatic when pressure applied to both webspaces |
| LT 3 | 6 mm | ||
| 17 | LT 2 | 15 × 9 mm | Stump neuroma |
| Small neuroma also in 3WS | |||
| 18 | RT 2 | 11.7 mm | Bursa associated with 2WS |
| RT 3 | 6.5 × 6 mm | ||
| 19 | RT 3 | 18 × 10 mm | Synovitis 3 and 4 MTP; these joints also injected |
| 20 | RT 2 | 19 mm | DJD right 1 MTP joint |
| RT 3 | 13 mm | ||
| 21 | LT 3 | 10 mm | Stump neuroma; also seen on recent MRI |
| Large 2WS neuroma (14 mm) with associated bursa also present | |||
| 22 | RT 2 | 11.5 × 7.5 mm | Small neuroma also in ipsilateral 3WS |
| 23 | LT 2 | 10 × 14 mm | |
| LT 3 | 9 × 7 mm | ||
| 24 | LT 3 | 15 mm | 16 m neuroma also in ipsilateral 2WS |
Pt 2A: “extreme pain when walking”
Pt 6: believes “pain related to level of activity” and “shoes [she] wears”
Pt 12: noted pain “depends on level of activity”
Pt 14: “sharp pain with walking”
Pt 16: “with sneakers still hurts”
Pt 24: wore “heels, pain returned”
Pt = patient, RT = right, LT = left, 2 = second web space, i.e., between the second and third toes), 3 = third webspace, i.e., between the third and fourth toes), mm = millimeter, WS = webspace, MTP = metatarsophalangeal, DJD = degenerative joint disease, MRI = magnetic resonance imaging