Well-differentiated liposarcoma disguised as a recurrent lipoma of the forearm flexor compartment: A case report

Widodo, Wahyu; Latief, Wildan; Aprilya, Dina

doi:10.1016/j.ijscr.2020.05.063

Cited by 4 publications

(6 citation statements)

References 4 publications

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“…According to this study, the risk factor for recurrence with malignancies is presented as a large-sized (giant) lipoma of 5 cm or more, and unusual characteristics in the location of the tumor. [ 8 ] In this study, a deep-seated, septate, and large-sized lipoma was detected on the MRI images in 2015. Although this tumor was considered to be a benign lipoma most likely due to low heterogeneity and regular margin findings, the features described above are thought to suggest a potential risk of recurrence.…”

Section: Discussionmentioning

confidence: 71%

“…Recurrence of lipomatous tumor as malignant liposarcoma after surgical excision of benign lipoma has rarely been reported. [ 8 ] The incidence of recurrence is thought to be reduced by performing precise assessment considering the possibility of malignancy with the risk factors and understanding the correlation between benign lipoma and WDLS.…”

Section: Introductionmentioning

confidence: 99%

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The recurrence of well-differentiated liposarcoma from benign giant intramuscular lipoma

et al. 2021

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Rationale: Recurrent liposarcoma, previously confirmed as lipoma, has rarely been reported. However, the risk factors for recurrence and the correlation between benign lipoma and malignant liposarcoma remain unclear. In this case study, we suggest a precise diagnostic strategy to minimize recurrence and malignant transformation. Patient concerns: A 60-year-old male patient with a history of left chest wall swelling without any symptoms underwent excisional surgery, and the mass was confirmed as a benign lipoma in 2015. In 2019, the patient returned to the hospital with symptoms of a palpable mass on the left chest wall. Diagnosis: The mass was considered a recurrent lipomatous tumor with the possibility of malignant transformation. Magnetic resonance imaging (MRI) revealed a deep-seated, septate, intramuscular, irregular margin, and large lipomatous tumor invading the ribs, pleura, and adjacent muscle, suggestive of malignancy. The MRI findings were similar to those 4 years ago, except for margin irregularity and invasion to adjacent tissue. Interventions: Wide en bloc excisions encompassing the 5th to 7th ribs, pleura, and adjacent muscle were followed by reconstruction with a pedicled latissimus dorsi muscle flap. Outcomes: The recurrent large lipomatous tumor was confirmed as well-differentiated liposarcomas through histological and MDM2-FISH immunohistochemical staining. Postoperatively, follow-up visits continued for 1.5 years without recurrence. Lessons: We suggest that deep-seated, septate, and giant lipomatous tumors should be considered as risk factors for recurrence with the possibility of malignancy and misdiagnosis. It is important to inform patients of all these possibilities and plan close and long-term follow-up.

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Section: Discussionmentioning

confidence: 71%

Section: Introductionmentioning

confidence: 99%

The recurrence of well-differentiated liposarcoma from benign giant intramuscular lipoma

et al. 2021

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“…Lipoma is commonest soft tissue tumor arising from adipocytes more often in young adults, women and overweight population. When the size enlarges to more than 5 cm, it alerts other malignant lipomatous tumor transformation [1] . In our case, a 73 years old male apparently healthy person, who had two previous resections for lipoma six and four years back respectively has this massive swelling over his thigh; which makes a fast transformation in a period of four years.…”

Section: Discussionmentioning

confidence: 99%

“…Lipomas are one of the commonest soft tissue tumors which usually arise from subcutaneous plane. As it arises from fat cells, it can be found in any plane/part in the body [1] . Large or giant lipoma is considered when the size is more than 5 cm.…”

Section: Introductionmentioning

confidence: 99%

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De-differentiated giant thigh liposarcoma disguised as recurrent lipoma; a case report

Bayileyegn

Tareke

2022

International Journal of Surgery Case Reports

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Wide Excision of a Giant Lipoma of The Upper Arm: A Case Report

Islami,

Handoyo Sakti

2023

Herb-Medicine Journal

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A lipoma is the most typical mesenchymal tumor. Over time, lipomas can grow into substantial masses. Case, A 71-year-old woman complained of a mass in her upper right arm but reported no pain or discomfort. The mass is 13 x 11 x 6 cm in size. Histopathological analysis and a wide excision surgical approach were used. A mass more than 5 cm in diameter is considered a giant lipoma. A differential diagnosis of liposarcoma can be made using a computed tomography (CT) scan or magnetic resonance imaging (MRI). The two surgical procedures of wide and marginal excision are typically used to treat lipomas depending on the size of the lipoma mass. The histopathological examination has an important role in confirming the diagnosis. The researchers describe a lipoma tumor with a large size in the upper arm after wide excision surgery.

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Well-differentiated liposarcoma disguised as a recurrent lipoma of the forearm flexor compartment: A case report

Cited by 4 publications

References 4 publications

The recurrence of well-differentiated liposarcoma from benign giant intramuscular lipoma

The recurrence of well-differentiated liposarcoma from benign giant intramuscular lipoma

De-differentiated giant thigh liposarcoma disguised as recurrent lipoma; a case report

Wide Excision of a Giant Lipoma of The Upper Arm: A Case Report

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