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Keeping You Behind My Heart: A Case Report on Mediastinal Lipoma

Ma. Trisha Lapus, MD*


Lipomas are well-circumscribed mesenchymal tumors that originate from adipose tissue. Mediastinal lipomas are extremely rare and usually discovered incidentally. They are reported to represent 1.6% – 2.3% of all primary mediastinal tumors. Surgical excision is indicated for mediastinal lipoma only when it causes pain or when the tumor compromises the adjuvant structures’ functions.
The purpose of this paper is to report a case of a 58 year old diagnosed with mediastinal lipoma through plain chest computed tomography (CT) scan. This patient complained of 2 month history of chest pain and regurgitation, previously treated as a case of gastroesophageal reflux disease, medically treated, but to no improvement. CT imaging was done revealing a large fat-attenuated mass in the posterior mediastinum.
The patient underwent operation. Biopsy was performed which showed a multilocular structure with fibrous septa and the majority of cells were differentiated with low cellular density and poor vascular proliferation, compatible with a benign tumor lipoma.

*Adviser/Consultant, Department of Radiology