Solitary luteinized follicle cyst of pregnancy. Report of a case with cytologic findings

BACKGROUND: Giant luteinized follicle cyst is a recently recognized cause of ovarian enlargement during pregnancy and the puerperium. Only rare cases of this clinical condition have been reported in the literature, and the cytologic features have not been previously described. CASE: A 34-year-old, pregnant woman presented at 10 weeks' gestation with a large, right ovarian cyst. Clinical management was initially conservative, but four weeks later the patient presented with acute abdominal pain. At laparotomy, the ovarian cyst was aspirated and a cystectomy performed. On cytologic examination, the presence of a luteinized follicle cyst of pregnancy was suggested. Subsequent histologic examination confirmed the diagnosis. CONCLUSION: This case illustrates the clinicopathologic features of a luteinized follicle cyst of pregnancy with special emphasis on the cytologic characteristics. The cytologic features are sufficient to establish the diagnosis in conjunction with the ultrasonographic appearance.