Table 1.

Clinicopathological characteristics of pregnancy-associated liposarcoma.

Author	Age	complaint	Gestation at diagnosis (W)	Location	Surgery	Tumor subtype	Size (Weight)	Prognosis
Pierandrea D.J. et al. [1]	41	Weight loss	34	Retroperitoneum	36 weeks of gestation concurrently with CS	Myxoid	23 cm	Died after 8 months
Jeng C-J. et al. [3]	33	Unknown	12	Retroperitoneum	36 weeks of gestation concurrently with CS	Myxoid	25 × 20 cm	Recurrence after 4 months postop.
Matsuda S. et al. [7]	28	Pain in left thigh	29	Left thigh	5 weeks after CS at 33 weeks of gestation	Myxoid	15 × 10 × 5 cm	Free of disease 5 years postop.
	34	Palpable mass	20	Right thigh	7 weeks after ID at 33 weeks of gestation	Myxoid	15 × 13 cm	Free of disease 4 years postop.
Tebes S. et al. [8]	22	Abdominal pain	13	Retroperitoneum	3 weeks after VD at 29 weeks of gestation	Pleomorphic	20 cm	Died after 2 months
Foruhan B. [10]	28	None	28	Retroperitoneum	38 weeks of gestation concurrently with CS	Myxoid	30 cm (2.678 kg)	Free of disease 18 months postop.
Yamamoto T. et al. [11]	29	Palpable mass	29	Right thigh	none (chemoradiotherapy after CS)	Myxoid	8 × 8 × 5 cm	Remission 13 months postop.
	44	Palpable mass	22	Left thigh	6 weeks after CS at 32 weeks of gestation	Well-differentiated	15 × 12 × 8 cm	Free of disease 5 years postop.
Kurogouchi A. et al. [12]	30	Palpable mass	12	Retroperitoneum	13 weeks of gestation (CS at 37 weeks of gestation)	Myxoid	34 × 14 × 14 cm	Alive 4 years lataer with operation for reccurence
Lopes R.I. et al. [13]	33	None	13	Retroperitoneum	13 weeks of gestation (CS at 37 weeks of gestation)	Well-differentiated	22 × 20 × 20cm(3.75 kg)	Free of disease 1 years postop.
Jafari K. et al. [14]	15	Chest pain	31–32	Mediastinum	none (chemoradiotherapy after VD)	Anaplastic	unknown	Remission
Carrol F. et al. [15]	23	Respiratory distress	32–33	Left pleura	32–33 weeks of gestation concurrently with CS	Mixed-type	29 × 15 × 15 + 21 × 12 × 8cm(4.46 kg)	Unknown
D-Garcia O.F. et al. [16]	35	Palpable mass	36	Retroperitoneum	after delivery (unspecified)	Well-differentiated	52 × 40 × 35 cm (12.5 kg)	Free of disease 1 years postop.
Rouskova L. et al. [17]	32	Weight loss	34	Retroperitoneum	3 days after delivery	Pleomorphic	unknown	Died after 1 month
Masuda T. et al. [18]	34	Unknown	Diagnosis at delivery	Retroperitoneum	3 months after delivery	Myxoid	7.5 × 7.0 × 7.1 cm	Free of disease 8 years postop.
Our case	34	Abdominal distension	32weeks after delivery	Retroperitoneum	9 months after delivery	Well-differentiated	43 × 40 × 13cm(7.2 kg)	Free of disease 3 years postop.

CS, cesarean section; ID, induced delivery; VD, vaginal delivery.