A 52-year-old woman presented with abdominal pain and hematochezia. A colonoscopy showed a polypoid mass in the descending colon. A left hemicolectomy revealed a well-differentiated liposarcoma forming a polypoid intraluminal mass and an ill-defined nodule in the adjacent mesocolon. She remained well 2 years later. A review of the literature revealed only 2 reported cases of colonic liposarcoma, 1 of the myxoid type, and the other of the pleomorphic type. Two other possible cases of well-differentiated liposarcoma of the colon were uncovered from the literature.
Weiss SW, Goldblum JR (eds). Enzinger and Weiss’s Soft tissue tumors. 4th ed.Mosby, Inc, St. Louis, Missouri, pp. 641-693, 2001
2.
Fletcher CDM. Soft tissue tumors. In Fletcher CDM (ed). Diagnostic histopathology of tumors. 2nd ed.Churchill Livingstone, New York, NY, pp. 1473-1540, 2000
3.
Wood DL, Morgenstern L. Liposarcoma of the ileocecal valve: A case report. Mt Sinai J Med56:62-641989
4.
Parks RW, Mullan FJ, Kamel HM, Walsh MY, McKelvey ST. Liposarcoma of the colon. Ulster Med J63:111-1131994
5.
Enzinger FM, Weiss SW (eds). Soft tissue tumors. 3rd ed.Mosby, Inc, St. Louis, Missouri, pp. 431-466, 1995
6.
Laurino L, Furlanette A, Orvieto E, Dei Tos AP. Well-differentiated liposarcoma (atypical lipomatous tumors). Semin Diagn Pathol18:258-2662001
7.
Evans HL, Soule EH, Winkelmann RK. Atypical lipoma, atypical intramuscular lipoma, and well-differentiated retroperitoneal liposarcoma. A reappraisal of 30 cases formerly classified as well-differentiated liposarcoma. Cancer43:574-5841979
8.
Weiss SW, Rao VK. Well-differentiated liposarcoma (atypical lipoma) of deep soft tissue of the extremities, retroperitoneum and miscellaneous sites. A follow-up study of 92 cases with analysis of the incidence of dedifferentiation. Am J Surg Pathol16:1051-10581992
9.
Lucas DR, Nascimento AG, Sanjay BKS, Rock MG. Well-differentiated liposarcoma. The Mayo Clinic experience with 58 cases. Am J Clin Pathol102:677-6831994
10.
McCormick D, Mentzel T, Beham A, Fletcher CDM. Dedifferentiated liposarcoma: Clinicopathologic analysis of 32 cases suggesting a better prognostic subgroup among pleomorphic sarcomas. Am J Surg Pathol18:1213-12231994
11.
Yoshikawa H, Ueda T, Mori S. Dedifferentiated liposarcoma of the subcutis. Am J Surg Pathol20:1525-15301996
12.
Henricks WH, Chu YC, Goldblum JR, Weiss SW. Dedifferentiated liposarcoma: A clinicopathologic analysis of 155 cases with proposal for an expanded definition of dedifferentiation. Am J Surg Pathol21:271-2811997
13.
Dei Tos AP, Pedeutour F. Atypical lipomatous tumour/well differentiated liposarcoma. In Kleihues P, Sobin LH (eds). World Health Organization Classification of tumours: Pathology and genetics of tumours of soft tissue and bone. IARC Press, Lyon, France, pp. 35-37, 2002
14.
Mohandas D, Chandra RS, Srinivasan V, Baskar A. Liposarcoma of the ileum with secondaries in the liver. Am J Gastroenterol58:172-1761972
15.
Mansour KA, Fritz RC, Jacobs DM, Vellios F. Pedunculated liposarcoma of the oesophagus: A first case report. J Thorac Cardiovasc Surg86:47-501983
16.
Shokouh-Amiri MH, Hansen CP, Moesgaard F. Liposarcoma of the stomach: A case report. Acta Chir Scand152:389-3911986
17.
Vartanian RK, O’Connell JX, Holden JK, MacFarlane J, Owen DA. Primary jejunal well-differentiated liposarcoma (atypical lipomatous tumor) with leiomyosarcomatous dedifferentiation. Int J Surg Pathol4:29-361996
18.
Fenoglio-Preiser CM, Noffsinger AE, Stemmermann GN, Lantz PE, Listrom MB, Rilke FO (eds). Gastrointestinal pathology, an atlas and text. 2nd ed.Lippincott-Raven Publishers, Philadelphia, New York, pp. 1198-1201, 1998
19.
Snover DC. Atypical lipomas of the colon. Report of two cases with pseudomalignant features. Dis Colon Rectum27:485-4881984