Table 1
Summary of Reported Cases of Hemimasticatory Spam in the Literature
| Authors | Age at Onset | Sex | Involved Muscles | Mechanism or Special Clinical Features | Response to Botulinum Toxin | Surgical Treatment | |
|---|---|---|---|---|---|---|---|
| 1 | Kaufman, 198012 | 25 | F | Left masseter | — | NA | — |
| 2 | Lapresle 198213 | 15 | F | Right masseter | Linear scleroderma with right FHA | NA | — |
| 3 | Thompson and Carroll 198314 | 57 | F | Left masseter and temporalis | Idiopathic | NA | Cryosurgical lesion |
| 4 | Thompson, et al. 19866 | 31 | F | Right masseter | Morphea with right FHA | NA | Myotomy |
| 5 | Parisi, et al. 198715 | 38 | F | Right masseter | Linear scleroderma with right FHA | NA | — |
| 6 | Yoshii and Alba 198916 | 44 | M | Left masseter and both (medial and lateral) pterygoids | Idiopathic | NA | — |
| 7 | Auger, et al. 19923 | 20 | F | Right masseter and temporalis | Idiopathic | Yes | Transient response to trigeminal rootlets section |
| 8 | 17 | F | Right medial pterygoid | Idiopathic | NA | — | |
| 9 | 20 | F | Right masseter and temporalis | Idiopathic | NA | — | |
| 10 | Cruccu, et al. 19944 | 18 | M | Left temporalis | Left FHA | NA | — |
| 11 | 44 | F | Right masseter and temporalis | Morphea | Yes | — | |
| 12 | Kim, et al. 199417 | 44 | M | Right masseter | FHA | Yes | — |
| 13 | Ebersbach, et al. 199518 | 26 | M | Left masseter and temporalis | Left FHA | Yes | — |
| 14 | 26 | F | Right masseter and temporalis | Local scleroderma with FHA | Yes | — | |
| 15 | Kim, et al. 20007 | 34 | F | Right masseter | Local scleroderma with FHA | Yes | — |
| 16 | Esteban, et al. 200219 | 47 | F | Left masseter | Idiopathic | Yes | — |
| 17 | Teive, et al. 200211 | 44 | F | Right masseter and temporalis | Idiopathic | Yes | — |
| 18 | Wang, et al. 200420 | 38 | F | Left masseter | NA | NA | — |
| 19 | 12 | M | Right masseter and temporalis | Right linear scleroderma | NA | — | |
| 20 | 33 | M | Right temporal | NA | NA | — | |
| 21 | 42 | F | Left masseter and temporalis | NA | NA | — | |
| 22 | Cersosimo, et al. 200310 | 29 | F | Right masseter and temporalis | Severe worsening during pregnancy | Yes | — |
| 23 | Mir, et al. 200621 | 26 | M | Left masseter and temporalis | Idiopathic | Yes | — |
| 24 | Gunduz, et al. 200722 | 62 | F | Right masseter and temporalis | Right pontine and cerebellar hemisphere infarction | Yes | — |
| 25 | Jiménez-Jiménez, et al. 200723 | 40 | M | Right masseter and temporalis | Biopercular infarct with previous Foix–Marie–Chavany syndrome | Yes | — |
| 26 | Kumar, et al. 20085 | 49 | F | Left masseter, temporalis and lateral pterygoid | Left morphea | Yes | — |
| 27 | Yaltho and Jankovic 20112 | 63 | F | Left masseter | Idiopathic | Yes | — |
| 28 | Gopalakrishnan, et al. 201124 | 56 | F | Left masseter and temporalis | Cerebellopontine angle hematoma | Spontaneous remission | — |
| 29 | Sinha, et al. 201125 | 38 | M | Right masseter and temporalis | Idiopathic | — | Debulking and stripping masseter muscle |
| 30 | Chon, et al. 201226 | 40 | M | Right masseter and temporalis | Idiopathic | Yes | MVD |
| 31 | Wang, et al. 20139 | 50 | F | Left masseter | NA | NA | MVD |
| 32 | 42 | F | Right masseter and temporalis | NA | NA | MVD | |
| 33 | 38 | M | Right masseter | NA | NA | MVD | |
| 34 | 48 | F | Right masseter | NA | NA | MVD | |
| 35 | 57 | F | Left masseter and temporalis | NA | NA | MVD | |
| 36 | 53 | F | Right masseter and temporalis | NA | NA | MVD | |
| 37 | This case Christie, et al. 2014 | 32 | F | Right masseter | Idiopathic | Yes | — |
Video 1.
Hemimasticatory Spasm in a 62-year-old Female.
The patient presents involuntary contraction of the right temporal and masseter muscles.
Figure 1
Electromyographic recording.
Simultaneous electromyography recording (concentric needle electrodes) from right masseter and temporalis muscles shows continuous bursts of activity during the prolonged spasms.