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Endometrial Stromal Sarcoma of the Sigmoid Colon Arising in Endometriosis : a Case Report with a Review of Literatures

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Endometrial Stromal Sarcoma of the Sigmoid Colon Arising in Endometriosis : a Case Report with a Review of Literatures View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by PubMed Central J Korean Med Sci 2002; 17: 412-4 Copyright � The Korean Academy ISSN 1011-8934 of Medical Sciences Endometrial Stromal Sarcoma of the Sigmoid Colon Arising in Endometriosis : A Case Report with a Review of Literatures Most of malignant tumors arising in ovarian and extraovarian endometriosis are Hyun-Yee Cho*, Min-Kyung Kim, .. carcinomas. Mixed mullerian tumor and endometrial stromal sarcoma arising in Seong-Jin Cho, Jung-Won Bae�, intestinal endometriosis are rarely described, but its clinicopathologic features have Insun Kim not been well characterized. Here we report a case of endometrial stromal sar- Department of Pathology, Gachon Medical School*, coma of the sigmoid colon arising in endometriosis with a review of six addition- Inchon; Department of Surgery�, Department of al cases of endometrial stromal sarcoma arising in intestinal endometriosis found Pathology, Korea University Medical College, in English literatures. The patients ranged in age from 36 to 64 yr. Presenting Seoul, Korea symptoms were pain, bloody diarrhea, and tenesmus. Some patients had a pre- Received : 11 December 2000 vious history of endometriosis. Most of the tumors arose in the rectosigmoid Accepted : 1 June 2001 colon. The histologic features were the same as their uterine counterpart. No death of disease had been reported. This rare tumor should not be confused with gas- Address for correspondence trointestinal stromal tumor clinically and histologically. Insun Kim, M.D. Department of Pathology, Korea University Medical College, 126-1, 5-ga, Anam-dong, Sungbuk-gu, Seoul 136-705, Korea Tel : +82.2-920-6373, Fax : +82.2-923-1340 Key Words : Endometriosis; Sarcomas, Endometrial Stromal; Intestines E-mail : [email protected] INTRODUCTION mal tumor (GIST), segmental resection of the sigmoid colon with regional lymph node dissection was performed. On Since Sampson first described the development of ovarian operation, tumor invasions to the urinary bladder and ureter carcinoma in endometriosis in 1925, numerous case re- were noted. Multiple nodules on the mesentery and lymph ports have documented the development of malignancies nodes enlargement were also found. Grossly, resected sigmoid from endometriosis (1-3). Most of the malignant neoplasms colon had multinodular masses of 1-3 cm in size, involving are adenocarcinomas of endometrioid and clear cell types, and from the mucosa to serosa (Fig. 1). Histologically, the lesion extrauterine endometrial stromal sarcoma is an extremely rare was characterized by round or tongue-like multinodular growth tumor (1-7). Recently, Yantiss et al. (7) reported only one of closely packed plump spindle cells (Fig. 2) with prominent endometrial stromal sarcoma among seventeen malignant spiral arterioles (Fig. 3). The cellular atypism was minimal, neoplasms arising in gastrointestinal endometriosis. We found and mitoses were rare. Rod- or star-shaped hyaline plaques only six cases of endometrial stromal sarcoma of the intesti- were found. At the periphery and surface of the lesions, nor- nal tract arising in endometriosis in English literatures (1, mal-appearing proliferative phase endometrial glands and 6-8). A case of endometrial stromal sarcoma of the sigmoid stroma, corresponding to benign endometriosis, were present colon arising in endometriosis is described with a review of (Fig. 4). There were no periglandular stromal condensations literatures. that is charateristic of m llerian adenosarcoma. On immuno- histochemical stain, the tumor cells were positive for vimentin, but negative for smooth muscle actin, S-100 protein, CD34, CASE REPORT or c-kit (CD117). Most of the cells were also strongly positive for progesterone receptor, and weakly positive for estrogen The patient was 48-yr-old female who complained of dif- receptor. Ki-67 labelling was low. Mesenteric nodules rep- ficult defecation and tenesmus. She had a history of subtotal resented metastatic stromal sarcoma. The patient was com- hysterectomy for myoma uteri three years before, followed plicated by postoperative disseminated intravascular coagulation by total hysterectomy and salpingo-oophorectomy due to (DIC), which was successfully managed and recovered. The endometriosis of the left ovary the following year. On endo- patient was alive four months after the resection with no scopic examination, a polypoid lesion was found at the recto- evidence of recurrence. sigmoid area. Under the diagnosis of gastrointestinal stro- 412 Endometrial Stromal Sarcoma of the Colon 413 KUH 00-6934 Fig. 1. Grossly, the resected sigmoid colon had multinodular Fig. 2. The tumor is characterized by tongue-like multinodular masses involving the wall from the mucosa to the serosa. proliferation of closely packed spindle cells (H&E, ×12.5). Fig. 3. The tumor was composed of short fascicles or sheets of Fig. 4. At the periphery and surface of the tumor, glands and monotonous plump spindle cells with abundant arterioles. A stroma, corresponding to benign endometriosis, are present. perivascular whorl arrangement is prominent (H&E,×200). There are no periglandular stromal condensation that is charac- .. teristic of mullerian adenosarcoma (H&E,×40). DISCUSSION malignant neoplasms arising in ovarian and extraovarian endometriosis have been described thereafter (1-3). The fre- In 1925, Sampson defined an entity as originating from quency of malignant transformation of endometriosis is endometriosis when it satisfied three criteria: clear examples unknown, but it is estimated that up to 1% of women with of endometriosis in close proximity to the tumor, no other endometriosis will develop endometriosis-associated neoplasm primary site of malignancy, and histological appearance com- (2). Nearly 75% of the reported tumors arose in the ovary, patible with an origin from endometriosis (1). Many cases of but 21.3% appear in extragonadal sites (2, 4). The majority 414 H.-Y. Cho, M.-K. Kim, S.-J. Cho, et al. of malignant tumors arising from endometriosis were ade- stroma into the glandular lumens, and various m llerian types nocarcinomas, particularly endometrioid and clear cell car- of glandular epithelium favor the diagnosis of m llerian cinomas, but stromal sarcoma and mixed m llerian tumors adenosarcoma with sarcomatous overgrowth. In our case, the can be developed (1-9). The same kinds of neoplasms have been presence of endometrial glands without periglandular stromal reported in endometriosis of the intestinal tract (1, 6-9). condensation and the immunohistochemical characteristics Recently, Yantiss et al. (7) described a large series of neoplas- such as negative stainings for smooth muscle actin, S-100 tic and pre-neoplastic lesions of gastrointestinal endometriosis: protein, CD34, and c-kit were not consistent with GIST or among the seventeen cases, endometrial stromal sarcoma was m llerian adenosarcoma with sarcomatous overgrowth. only one and endometrioid adenocarcinomas were eight with The present case was postoperatively complicated by DIC. four m llerian adenosarcomas, one endometrioid adenofi- A case of metastatic endometrial stromal sarcoma to the right broma of borderline malignancy, one endometrial atypical ventricle associated with DIC has been described by Matsumoto hyperplasia, and one adenocarcinoma in situ. Using Sampson's et al. (11). Although the mechanism of DIC is not clear and criteria, we found only five additional cases of endometrial its occurrence is rare, the possibility of DIC should be con- stromal sarcoma arising from intestinal endometriosis in sidered in the management of the patient with endometrial English literatures (1, 6-9). stromal sarcoma. Seven cases including our case were analyzed to define the clinical and pathologic characteristics of this tumor. The seven patients ranged in age from 36 to 64 yr (average 51 yr). The REFERENCES two younger patients were nulliparous, and as for the other three, parity was not stated. Presenting symptoms were vari- 1. Scully RE, Richardson GS, Barlow JF. The development of malig- able; pain in two, bloody diarrhea in one and tenesmus in nancy in endometriosis. Clin Obstet Gynecol 1966; 9: 384-411. one. Two patients had undergone previous surgical proce- 2. Heaps JM, Nieberg RK, Berek JS. Malignant neoplasm arising in dures aimed at treating the endometriosis (8). Among seven endometriosis. Obstet Gynecol 1990; 75: 1023-8. cases, five tumors were located in the rectosigmoid area. The 3. Hyman MP. Extraovarian endometrioid carcinoma: review of the rectosigmoid is an area of bowel having the highest incidence literature and report of two cases with unusual features. Am J Clin of endometriosis (4). Like their endometriotic precursors, the Pathol 1977; 68: 522-7. tumors occurred at various locations in the bowel wall. The 4. Mostoufizadeh M, Scully RE. Malignant tumors arising in endometrio- pathologic features of the tumors were very similar and were sis. Clin Obstet Gynecol 1980; 23: 951-63. virtually the same as their uterine counterpart. Although data 5. Palladino VS, Trousdell M. Extra-uterine mullerian tumors : a review concerning the survival were difficult to assess because the of the literature and report of a case. Cancer 1969; 23: 1413-22. follow-up had generally been limited with only four cases with 6. Chang KL, Crabtree GS, Lim-Tan SK, Kepson RL, Hendrickson a documentation of follow-up for five or more years, no death MR. Primary extrauterine endometrial stromal neoplasms: a clini- of disease
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