Evaluation of the Risk of Spreading Endometrial Cell by Hysteroscopy: A Prospective Longitudinal Study

Table 1

Studies reporting on the association between hysteroscopy and positive peritoneal cytology where N: number of cases; PW: peritoneal washing.

Author	𝑁	Indication for surgery	Hysteroscopy		Laparoscopy
			Distention	Pressure	Positive PW
Ranta et al. [7]	51	Infertility	CO2	80 mmHg	8/51 (15.6%)
Sagawa et al. [8]	24	Endometrial cancer	Glucose solution or dextran	50 cmH2O	2/24 (8.4%)
Leveque et al. [9]	19	Endometrial cancer	CO2 NaCl 0.9% (2 cases)	150 mmHg	7/19 (36.8%)
Gücer et al. [10]	31	Endometrial cancer	NaCl 0.9%	200 mmHg	3/31 (9.7%)
Lo et al. [11]	70	Endometrial cancer	CO2	100 mmHg	1/70 (1.4%)
Lo et al. [11]	50	Endometrial cancer	NaCl 0.9%	100 cmH2O	7/50 (14%)
Solima et al. [12]	40	Endometrial cancer (Stage I or II)	NaCl 0.9%	40 mmHg	2/40 (5%)