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Πέμπτη 31 Αυγούστου 2017

Mediastinal (Epipericardial) Fat Necrosis – an Overlooked and Little Known Cause of Acute Chest Pain Mimicking Acute Coronary Syndrome

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Publication date: Available online 31 August 2017
Source:Seminars in Ultrasound, CT and MRI
Author(s): Gabriela Gayer
Necrosis of the fat adjacent to the heart, referred to as pericardial fat necrosis, epipericardial fat necrosis, and mediastinal fat necrosis, is a rare, self-limited condition. It presents as the sudden onset of severe chest pain that mimics symptoms of pulmonary embolism and acute coronary syndrome. CT findings are quite typical and consist of a round or oval shaped mass-like lesion containing soft tissue and fat density components in the cardiophrenic space.Lack of familiarity with this condition has led in the past to surgical interventions in order to remove the mass-like mediastinal fat necrosis. Until the early 2000s surgical removal of these lesions was deemed the treatment of choice, to exclude a neoplasm. However, the observation that the CT findings of the paracardiac mass resemble fat necrosis seen in other parts of the body and its involution on follow-up CT have led to the realization that the process is a benign and self-limiting one. A dramatic shift in the paradigm of treatment has ensued and surgical treatment is no longer advocated. Awareness of this condition is therefore vital so as to diagnose it accurately and avoid unnecessary future surgical interventions.



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