Introduction:

Sclerosing stromal tumors are rare, benign sex chord stromal tumors. They are usually unilateral and are seen in second or third decades. The complaint at admission may be menstrual irregularity, pelvic pain, palpable pelvic mass, precocious puberty and postmenopausal bleeding. Because the complaint at admission and radiological findings are not specific to SSTs preoperative diagnosis is challenging. Herein we present the sonographical, intraoperative and histopathological findings of a SST diagnosed during laparoscopy in a patient who admitted with chronic pelvic pain and received pelvic inflammatory disease and endometriosis treatment and differential diagnosis of SSTs with the other ovarian tumors.

Case report:

24 years old nulliparous patient first admitted to the gynecology department with the complaint of foul smelling vaginal discharge and pelvic pain. The diagnosis was pelvic inflammatory disease and the patient received antibiotics. The pelvic examination was normal except the mass in the right ovary which had similar echogenity to the ovary. Because of the pelvic pain the mass was assumed to be an endometrioma and the patient was prescribed an oral contraceptive treatment for 3 months. Because of the persistent pelvic pain a diagnostic laparoscopy was performed which revealed a 2 cm, pinkish- white, exophytic lesion originating from the right ovary. Pathological examination reported the mass to be a sclerosing stromal tumor. After the treatment the patient no longer complained of vaginal discharge but pelvic pain still persisted. After the operation the patient no longer complained of pelvic pain.

Conclusion:

Although SSTs are rare, they should be kept in mind when a young patient admits with menstrual irregularity, pelvic pain and hirsutism, particularly if the pain is refractory to treatment.

Keywords: Sclerosing stromal tumors, pelvic pain, hirsutism.