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Kugimoto T, Yamagata Y, Ohsako T, Hirai H, Nishii N, Kayamori K, Ikeda T, Harada H. Massive low-grade myxoid liposarcoma of the floor of the mouth: A case report and review of literature. World J Clin Cases 2022; 10:12742-12749. [PMID: 36579093 PMCID: PMC9791511 DOI: 10.12998/wjcc.v10.i34.12742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/20/2022] [Accepted: 10/27/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Oral liposarcoma is an extremely rare lesion that is often clinically misdiagnosed as a benign tumor due to its asymptomatic and indolent clinical course. Here, we report a case of massive low-grade myxoid liposarcoma (MLS) of the floor of the mouth.
CASE SUMMARY A 71-year-old man presented with a huge mass in the left floor of the mouth. A biopsy was performed, and a diagnosis of a myxoid tumor suspicious for low-grade MLS or myxoma was made. Gadolinium-enhanced T1-weighted magnetic resonance imaging showed an intensely enhanced tumor lesion that occupies the left sublingual space and extends to the submandibular space. Submandibular dissection, tumor resection, and reconstruction with a radial forearm flap were performed. The surgical specimen exhibited histologically low-grade MLS. Fused in sarcoma (FUS, also known as TLS) and DNA damage-inducible transcript 3 (DDIT3, also known as CHOP) break-apart was not detected in the fluorescence in situ hybridization analysis. The tumor was completely encapsulated and did not require additional treatment. Furthermore, no recurrence was reported 40 mo after surgery.
CONCLUSION We experienced an extremely rare, massive, low-grade MLS emerging from the floor of the mouth. Oftentimes, an MLS of the floor of the mouth lacks significant clinical findings and is often misdiagnosed. Although no FUS-DDIT3 fusion gene was detected, a low-grade MLS was ultimately diagnosed based on the histological findings.
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Affiliation(s)
- Takuma Kugimoto
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Yuko Yamagata
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Toshimitsu Ohsako
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Hideaki Hirai
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Naoto Nishii
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Kou Kayamori
- Department of Oral Pathology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Tohru Ikeda
- Department of Oral Pathology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8549, Tokyo, Japan
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Abstract
RATIONALE Oral liposarcoma is an extremely rare lesion that is often clinically misdiagnosed as a benign lesion because of its asymptomatic and indolent clinical course. we report a case of atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) of buccal mucosa, provisionally diagnosed as lipoma. PATIENT CONCERNS A 97-year-old female was referred to dentistry and oral surgery department with an asymptomatic mass on the right buccal mucosa which had been present for an unknown period of time. DIAGNOSIS Magnetic resonance imaging demonstrated a well-circumscribed lesion at the right buccal mucosa, and a lipoma was suspected. INTERVENTIONS Surgical removal was performed, and a diagnosis of ALT/WDL was made. She and her family refused additional treatment due to her age. OUTCOMES At the 10 months follow-up, the patient remained free of disease. LESSONS The indolent clinical course and small size of oral liposarcoma can lead to provisional clinical diagnosis of benign lesion.
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Affiliation(s)
- Keiichi Ohta
- Department of Dentistry and Oral Surgery, Unit of Sensory and Locomotor Medicine, Division of Medicine, Faculty of Medical Sciences
| | - Hitoshi Yoshimura
- Department of Dentistry and Oral Surgery, Unit of Sensory and Locomotor Medicine, Division of Medicine, Faculty of Medical Sciences
| | - Shinpei Matsuda
- Department of Dentistry and Oral Surgery, Unit of Sensory and Locomotor Medicine, Division of Medicine, Faculty of Medical Sciences
| | - Yoshiaki Imamura
- Division of Surgical Pathology, University of Fukui Hospital, Fukui, Japan
| | - Kazuo Sano
- Department of Dentistry and Oral Surgery, Unit of Sensory and Locomotor Medicine, Division of Medicine, Faculty of Medical Sciences
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Kim YB, Leem DH, Baek JA, Ko SO. Atypical lipomatous tumor/well-differentiated liposarcoma of the gingiva: a case report and review of literature. J Oral Maxillofac Surg 2013; 72:431-9. [PMID: 23992781 DOI: 10.1016/j.joms.2013.06.222] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 06/23/2013] [Accepted: 06/28/2013] [Indexed: 02/07/2023]
Abstract
Liposarcoma, first described by Virchow in 1857, is a common mesenchymal malignant tumor arising from the adipose tissue. The most common of all soft tissue sarcomas, liposarcomas account for approximately 20% of all soft tissue sarcomas. However, it is rare in the head and neck, particularly in the oral cavity. Oral liposarcomas have been reported to occur mainly on the buccal mucosa, with other sites including the floor of the mouth, tongue, palate, and mandible. However, almost no cases of a liposarcoma located on the gingiva have been reported. To our knowledge, only 5 cases of liposarcoma of the gingiva have been previously reported in English language studies. We present a rare case of an atypical lipomatous tumor/well-differentiated liposarcoma of the gingiva of the anterior mandible that occurred in a 77-year-old male patient. Our patient underwent surgical excision and alveolar decortication. We also present a review of the current published data. At 18 months of follow-up, the patient remained free of disease.
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Affiliation(s)
- Young Bin Kim
- Clinical Fellow, Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonbuk National University, Jeonju, Republic of Korea
| | - Dae Ho Leem
- Associate Professor, Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonbuk National University, Jeonju, Republic of Korea
| | - Jin A Baek
- Associate Professor, Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonbuk National University, Jeonju, Republic of Korea
| | - Seung O Ko
- Professor, Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonbuk National University, Jeonju, Republic of Korea.
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Well-differentiated liposarcoma/atypical lipomatous tumor of the oral cavity: report of three cases and review of the literature. Head Neck Pathol 2012; 6:354-63. [PMID: 22234501 PMCID: PMC3422587 DOI: 10.1007/s12105-011-0327-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Accepted: 12/27/2011] [Indexed: 12/11/2022]
Abstract
Atypical Lipomatous Tumor/Well Differentiated Liposarcoma (ALT/WDLS) is a soft tissue sarcoma of intermediate malignant behavior, most frequently affecting the retroperitoneum and lower extremities. Oral liposarcomas are very rare neoplasms, the most common histological subtype being ALT/WDLS. In this study, three additional cases of ALT/WDLS located on the tongue (2 cases) and the lower lip (1 case), respectively, are described. Analysis of the salient clinicopathologic features of 63 oral ALT/WDLS cases previously reported in the English language literature, as well as of the 3 cases presented in this study, indicates that the indolent biologic behavior of this tumor justifies its designation as a locally spreading malignant neoplasm, affording a rather conservative surgical approach.
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DeWitt J, Heidelman J, Summerlin DJ, Tomich C. Atypical Lipomatous Tumors of the Oral Cavity: A Report of 2 Cases. J Oral Maxillofac Surg 2008; 66:366-9. [DOI: 10.1016/j.joms.2006.10.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2006] [Revised: 08/30/2006] [Accepted: 10/23/2006] [Indexed: 12/11/2022]
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Sobral APV, de Oliveira Lima DN, Cazal C, Santiago T, das Graças Granja Mattos M, Melo B, de Souza Andrade ES. Myxoid liposarcoma of the lip: correlation of histological and cytological features and review of the literature. J Oral Maxillofac Surg 2007; 65:1660-4. [PMID: 17656299 DOI: 10.1016/j.joms.2006.06.264] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2005] [Revised: 01/06/2006] [Accepted: 06/01/2006] [Indexed: 12/31/2022]
Affiliation(s)
- Ana Paula Veras Sobral
- Oral Pathology Department, School of Dentistry, University of Pernambuco, Recife, Brazil
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Dubin MR, Chang EW. Liposarcoma of the tongue: case report and review of the literature. Head Face Med 2006; 2:21. [PMID: 16872488 PMCID: PMC1553437 DOI: 10.1186/1746-160x-2-21] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2006] [Accepted: 07/26/2006] [Indexed: 12/12/2022] Open
Abstract
Background Liposarcoma most commonly arises in the retroperitoneum and lower extremities. Liposarcoma of the head and neck is rare, with only 12 previously reported cases of liposarcoma in the tongue. Case presentation We present a case of well-differentiated liposarcoma of the tongue occuring in a 39 year old man, treated with surgical excision. At 14 years of follow-up, the patient remains free of disease. Conclusion Liposarcoma of the head and neck is rare, and may easily be misdiagnosed clinically. The diagnosis is made histologically. Clinical behavior is related to histopathologic subtype. Wide surgical excision is the treatment of choice, with limited data to support the use of radiation or chemotherapy. Our case represents the longest follow-up period for a tongue liposarcoma, with 14 years disease-free following surgical extirpation.
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Affiliation(s)
- Marika R Dubin
- Department of Otolaryngology – Head and Neck Surgery, Columbia University – New York Presbyterian Hospital, 180 Fort Washington Ave., HP 818, New York 10032, USA
| | - Edward W Chang
- Department of Otolaryngology – Head and Neck Surgery, Columbia University – New York Presbyterian Hospital, 180 Fort Washington Ave., HP 818, New York 10032, USA
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Abstract
Liposarcoma of the head and neck is rare. Only 12 cases of scalp liposarcoma have been previously reported. In this report, we describe a case of myxoid/round cell liposarcoma in the scalp of a 28-year-old woman. This case report highlights a histologic pattern rarely reported in the head and neck but consistent with the evolving classification of liposarcomas.
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Affiliation(s)
- Shawn D Newlands
- Department of Otolaryngology, University of Texas Medical Branch, 300 University Boulevard, Galveston, TX 77555-0521, USA
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