Pulmonary damage in TRALI is related to formation of cholesterol crystals that appear to pierce endothelial membranes of venules. The endothelial defects lead to plasma extravasation into the alveoli causing TRALI.

Lipoma is the benign tumor of adipose tissue. It constitutes about 1 to 2% of all benign neoplasms of the oral cavity. Intraorally, it occurs predominantly in the buccal mucosa followed by tongue, floor of the mouth, buccal vestibule and rarely in the palate and gingiva. An 80-year-old male reported with a swelling in the right buccal mucosa for the past two years. Clinically the swelling was light yellow in color and had a broad peduncle. The swelling was soft in consistency and mobile. A provisional diagnosis of a lipoma was made. The tumor was excised and confirmed by histopathological examination.

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