Table 1. Anatomical distribution, survival and therapies for extramedullary myeloid sarcoma.
| Anatomic location |
All patients |
Landmark analysis |
|||||
|---|---|---|---|---|---|---|---|
| n(%) | Median age | Median survival (months) | n | Chemotherapy within 30 days,n(%) | Surgery or radiation within 30 days (no chemotherapy),n(%) | No treatment within 30 days,n(%) | |
| Connective and soft tissue | 234 (31.3) | 61.5 | 10.1 | 152 | 60 (39.5) | 37 (24.3) | 55 (36.2) |
| Nervous system | 46 (6.2) | 33.0 | 10.7 | 34 | 12 (35.3) | 15 (44.1) | 7 (20.6) |
| Digestive system | 77 (10.3) | 55.0 | 32.3 | 59 | 18 (30.5) | 20 (33.9) | 21 (35.6) |
| Bones and joints | 49 (6.6) | 61.0 | 7.3 | 43 | 16 (37.2) | 9 (20.9) | 18 (41.9) |
| Head and neck | 40 (5.4) | 61.5 | 29.6 | 30 | 12 (40) | 8 (26.7) | 10 (33.3) |
| Skin and breast | 92 (12.3) | 65.0 | 19.7 | 69 | 15 (21.7) | 16 (23.2) | 38 (55.1) |
| Lymph nodes and spleen | 73 (9.8) | 65.0 | 11.6 | 51 | 24 (47.1) | 6 (11.8) | 21 (41.2) |
| Reproductive organs | 43 (5.8) | 51.0 | 88.4 | 36 | 13 (36.1) | 16 (44.4) | 7 (19.4) |
| Cardiopulmonary and mediastinum | 32 (4.3) | 50.5 | 11.1 | 21 | 12 (57.1) | 4 (19) | 5 (23.8) |
| Kidney/bladder/adrenal/retroperitoneum | 37 (4.9) | 62.0 | 28.2 | 24 | 13 (54.2) | 4 (16.7) | 7 (29.2) |
| Unknown/ill-defined | 23 (3.1) | 67.0 | 5.7 | 14 | 6 (42.9) | 0 | 8 (57.1) |
| Total | 746 | 59.0 | 12.8 | 533 | 201 (37.7) | 135 (25.3) | 197 (37) |