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Association between initial diagnostic procedure and hysteroscopy and abnormal peritoneal washings in patients with
1Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA.
Background:
Hysteroscopy has been implicated in the finding of positive peritoneal washings (PW) in patients with endometrial carcinoma in several case reports. The current study was designed to evaluate whether there was an increased incidence rate of positive peritoneal washings in patients after hysteroscopy compared with patients who did not undergo hysteroscopy.
Methods:
Two hundred eighty-four women with endometrial carcinoma were treated by hysterectomy with intraoperative PW at the Memorial Sloan-Kettering Cancer Center between 1995-1998. They were diagnosed by either endometrial biopsy (EMB) or dilatation and curretage (D & C) with or without hysteroscopy during the same period.
Results:
Of 173 patients diagnosed by EMB, 16 had abnormal PW (9.2%). Of 111 patients diagnosed by D & C, 11 had abnormal PW (9.9%). There was no significant difference between the two groups (P = 0.85). Of 23 patients who were diagnosed by D & C with hysteroscopy, 3 had abnormal PW (13.0%). Of 177 patients who did not undergo hysteroscopy, 17 had abnormal PW (9.6%). Of 84 patients for whom information regarding hysteroscopy was not available, 7 had abnormal PW (8.3%). The incidence rates among the three groups were not significantly different (P = 0.79).
Conclusions:
The initial diagnostic procedure, including hysteroscopy, does not appear to be associated with a high incidence rate of abnormal PW in patients with endometrial carcinoma.