Journal of Korean Society of Medical Ultrasound 2003;22(1): 27-31.
Peritoneal Inclusion Cysts: Changes on Follow-up Ultrasonography.
Jung Sik Kim, Jin Hee Lee, Hee Jung Lee, Sung Moon Lee, Seong Ku Woo
1Department of Diagnostic Radiology, Keimyung University School of Medicine, korea.
2Kim Jung Sik Radiological Clinic.
  Published online: March 1, 2003.
PURPOSE: To evaulate the volume change of peritoneal inclusion cysts on the follow-up ultrasonography(US). MATERIALS AND METHODS: From March 1995 to May 1999, thirty seven women with ultrasonographically diagnosed peritoneal inclusion cysts were included in this study. Six patients underwent surgery for several reasons. Follow-up ultrasonography was performed 70-456 days (mean=191 days) after initial US examination in 12 of the remaining 31 patient with no further treatment. US was performed with a 3.5 or 4 MHz transabdominal probe in all 18 patients who underwent either surgery or follow-up US, and additional tranvaginal US examination using a 5-7 MHz probe in 15 of 18 patients. The volume change of the cysts was recorded for each US examination. RESULTS: Three cysts (25%) (volume=170 cm3, 61 cm3, and 38 cm3, respectively) were completely resolved on the follow-up US while the other nine cysts showed a decresed volume in seven patients (58%) and increased volume in two patients (17%). CONCLUSION: Spontaneous regression of peritoneal inclusion cysts is more common than it is believed to be, and ultrasonography may be a useful follow-up examination for peritoneal inclusion cysts.
Keywords: Ovary, cysts; Ovary, US; Peritoneum, fluid
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