Orbital LM Characteristics
| Location | No. | Macro | Micro | Combined | Intraconal* | Extraconal* | Periorbital* | Diffuse |
|---|---|---|---|---|---|---|---|---|
| Frontal | 7 | 1 | 5 | 1 | 1 | 3 | 4 | 3 |
| Frontotemporal | 4 | 1 | 2 | 1 | 1 | 1 | 2 | 2 |
| Cranial base | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Lower cervicofacial | 5 | 1 | 4 | 0 | 0 | 0 | 2 | 3 |
| Cheek & frontal | 3 | 1 | 2 | 0 | 1 | 1 | 2 | 1 |
| Cervicofacial & frontotemporal | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Cheek | 4 | 1 | 2 | 1 | 1 | 0 | 1 | 3 |
| Bilateral cervicofacial | 2 | 0 | 1 | 1 | 1 | 1 | 0 | 1 |
| Isolated orbital | 6 | 2 | 3 | 1 | 3 | 2 | 2 | 2 |
| Total | 33 | 8 | 20 | 5 | 9 | 8 | 14 | 15 |
Note:—LM indicates lymphatic malformation; diffuse, intraconal + extraconal + periorbital; macro, macrocystic; micro, microcystic; combined, macrocystic and microcystic components.
* Alone or associated with intraconal or extraconal or periorbital lesions.