Gazi Medical Journal, vol.18, no.3, pp.127-129, 2007 (Scopus)
Hemoperitoneum secondary to corpus hemorrhagicum is an unusual manifestation in patients with von Willebrand's disease. We report a 14-year-old girl with von Willebrand's disease who was admitted to hospital with acute abdominal pain. Sonography demonstrated a large amount of free fluid in the lower abdominal quadrants and a complex cystic lesion in the right adnexa, containing internal septations and fluid-fluid level. Serial sonographic examinations showed rapid resolution of the lesion with factor VIII replacement therapy. This case presents sonographic findings of corpus hemorrhagicum and hemoperitoneum that have been rarely documented in previously published cases and should be considered in the differential diagnosis of acute abdomen in teenage girls with von Willebrand's disease.