Neural fibrolipoma, also known as fibrolipomatous hamartoma of the nerve, is a benign and rare nerve sheath tumor that involves the upper and lower extremities; mainly the digits of the hand and foot. It does not become symptomatic until it has been present for many years and its symptomatology stems from compression of the nerve rather than intraneural involvement by the tumor [1]. A fibrolipo...

Los lipomas son neoplasias benignas conformadas por adipocitos bien diferenciados, delimitados un delicado estroma fibroso reticular. Éstos constituyen el tumor cutáneo más frecuente en aves, siendo masas blandas que generalmente aparecen tejido subcutáneo. Se describe caso de loro amazónico (Amazona aestiva) cautiverio, fue llevado a consulta debido una masa ulcerada la región cadera. El diagn...

Lipoma rarely involves parotid gland especially in children. An 11-year-old boy presented with right parotid swelling. Preoperative workup including CT scan and FNAC gave suspicion of parotid gland lipoma. The diagnosis was confirmed on histopathology after complete excision of the mass.

In the differential diagnosis of lipomas, fibromatous hamartoma, liposarcoma, fibrolipoma and teratoma may be mentioned as fat-containing lesions of peripheral localization. However, these lesions are different from lipomas in that they contain soft tissue components and are not homogeneous. Furthermore, they are much larger than lipomas, are infiltrative and their CT density is greater than -5...

Storiform collagenoma is a rare tumor, which originates from the proliferation of fibroblasts that show increased production of type-I collagen. It is usually found in the face, neck and extremities, but it can also appear in the trunk, scalp and, less frequently, in the oral mucosa and the nail bed. It affects both sexes, with a slight female predominance. It may be solitary or multiple, the l...