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Table 1 Summary of the clinical features of previously reported 102 LGMS cases and the present case

From: Low-grade myofibroblastic sarcoma of the levator scapulae muscle: a case report and literature review

Authors Case Age Sex
(M:F)
Size (cm) Infiltrative pattern EM Treatment FU (months) LR Oncological outcome
Mentzel et al. [1] 18 42
(19–72)
11:7 4.0
(1.4–17)
Yes (12)
No (6)
Yes (4)
No (14)
E (10)
WE (2)
E + RT (2)
E + CTX (1)
E + CRT (1)
N/A (2)
35.9
(10–151)
Yes (3)
No (8)
N/A (7)
CDF (8)
NED (2)
AWD (1)
N/A (7)
Montgomery et al. [3] 10 54.4
(28–73)
8:2 4.7
(1.5–12)
Mostly Yes (6)
No (4)
E (6)
WE (1)
E + RT (1)
WE+RT (1)
N/A (1)
48.1
(4–172)
Yes (4)
No (5)
N/A (1)
CDF (4)
NED (2)
N/A (4)
Meng et al. [29] 3 34
(14–74)
3:0 4.2
(3–5)
Yes (3) Yes (1)
No (2)
E + RT (3) 21.3
(16–27)
Yes (3) NED (3)
Meng et al. [9] 14 30.5
(7–53)
9:5 4.6
(2.0–15.0)
N/A (14) Yes (1)
No (13)
E (8)
E + CTX (4)
E + RT (2)
28.3
(20–46)
Yes (5)
No (8)
N/A (1)
CDF (8)
NED (5)
N/A (1)
Cai et al. [23] 9 43.9
(6–73)
6:3 2.7
(1.5–5.0)
N/A (9) No (9) Scraped (1)
E (3)
E + RT (1)
WE + RT (3)
Lobectomy (1)
28.6
(11–44)
Yes (1)
No (7)
N/A (1)
CDF (7)
NED (1)
N/A (1)
Others [4, 6,7,8, 10,11,12,13,14,15,16,17,18,19,20,21,22, 24,25,26,27,28, 30, 31, 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51] 48 43.8
(2–74)
23:25 4.1
(0.4–22)
Yes (28)
No (2)
N/A (18)
Yes (10)
No (38)
E (18)
E + RT (1)
WE (21)
WE+CTX (2)
WE+RT (2)
CRT (1)
Others (2)
N/A (1)
21.3
(6–72)
Yes (8)
No (36)
N/A (4)
CDF (36)
NED (6)
DOD (5)
N/A (1)
Present case 1 69 female 3.5 Yes No WE 96 No CDF
  1. LGMS Low-grade myofibroblastic sarcoma, M Male, F Female, N/A Not applicable, EM Electron microscopy, E Excision, WE Wide excision, CTX Chemotherapy, RT Radiotherapy, CRT Chemo-radiotherapy, LR Local recurrence, CDF Continuous disease free, NED No evidence of disease, AWD Alive with disease, DOD Death of disease