Low-grade endometrial stromal sarcoma in young age: a clinicopathological report

Low-Grade Endometrial Stromal Sarcoma in a 22-Year-Old Maiden Female: A Rare Case Report from Syria

Endometrial stromal sarcoma (ESS) is a rare and challenging type of endometrial tumor, constituting only about 0.2% of all uterine malignancies and occurring in women 42–58 years of age. ESS is usually misdiagnosed as leiomyoma. They both have nonspecific symptoms, which makes the diagnosis of ESS difficult to achieve. As the ESS is infrequently encountered, optimal management is quite debatable. Here, we report a rare case of a 22-year-old Syrian female who presented with abnormal uterine bleeding; the preoperative diagnosis suggested leiomyoma while histopathological and immunohistochemical studies confirmed the diagnosis of LG-ESS stage IIA. Therefore, the treatment plan was shifted from a conservative myomectomy to a total hysterectomy with both adnexa. The aim of this case report is to draw attention to this uncommon tumor at young age of patients as well as to have awareness of the necessity to suspect this diagnosis especially with the presentation of rapid enlargement of uterine leiomyoma.

A High-Grade Undifferentiated Endometrial Stromal Sarcoma Presenting as Inversion of the Uterus: A Rare Case

Endometrial stromal sarcoma (ESS) is a rare malignant tumor that constitutes about 0.2% of all uterine malignancies and 10% of uterine sarcomas. ESS is generally misdiagnosed as leiomyoma or endometrial polyp and typically discovered on histopathological examination postoperatively because of its rarity. Endometrial stromal tumors are composed of cells resembling normal endometrial stroma in its proliferative phase. The histologic diagnosis of the high grade is made if there is a high-grade sarcoma with a high mitotic index and nuclear anaplasia. The mean age of presentation of high-grade endometrial sarcoma is about 61 years with the most common presenting complaint is menorrhagia. The median overall survival for high-grade endometrial sarcoma is 53 months with optimal cytoreduction. A 49-year-old woman P2 L2 presented with nonspecific complaint of discharge and spotting per vaginum. In the present case, the provisional diagnosis by clinical findings as well as imaging was in favor of the inversion of submucous fibroid. Preoperative histopathological examination and immunohistochemistry confirmed the diagnosis of high-grade undifferentiated ESS. Haultain’s operation followed by total abdominal hysterectomy and bilateral salpingo-oophorectomy was performed. The patient was referred to another center for radiotherapy. From there, she was lost to follow-up. Rarity of endometrial stromal tumor limits the clinician view to diagnose it preoperatively. We were fortunate to have preoperative histopathological diagnosis of ESS. Furthermore, as ESS is rare and undifferentiated stromal sarcoma is even rarer, literature is lacking on its optimal management. Hence, it is important for all clinicians to keep the high degree of suspicion for ESS while working up any case of abnormal uterine bleeding.

Low-Grade Endometrial Stromal Sarcoma in a Postmenopausal Woman with Third-Degree Uterovaginal Prolapse: A Rare Case with Review of the Literature

Endometrial stromal sarcomas (ESSs) are rare malignant tumors of the uterus that arise from the endometrial stroma, the annual incidence of ESS being 1–2/million women. Patients present with nonspecific complaints of abnormal uterine bleeding, pelvic pain, and pressure symptoms. Postmenopausal women rarely present with a low-grade ESS, as it is more common in younger women. ESS is usually confused with leiomyomas radiologically. Histopathological examination and immunohistochemistry are essential for the diagnosis. We, herein, report a case of a postmenopausal female who presented with something coming out per vagina. The clinical impression was that of a third-degree uterovaginal prolapse that on histopathological examination was diagnosed as a low-grade ESS.