Publicación Oficial de la Sociedad Ecuatoriana de Neurología, de la Liga Ecuatoriana Contra la Epilepsia y de la Sociedad Iberoamericana de Enfermedad Cerebrovascular

neoplasias cardíacas

 

Mixoma de aurícula derecha como probable causa de migraña. Right atrial myxoma as a probable cause of migraine.

Introduction: Cardiac myxoma is a benign tumor known as the “great imitator” because it can manifest clinically in a very diverse manner and/or with nonspecific findings that create a lot of confusion and make diagnosis difficult. It is associated with neurological manifestations, typically secondary to embolic complications affecting the nervous system, such as ischemic strokes, which can cause dizziness, headaches, loss of consciousness, and/or vision and speech disturbances.

Clinical Case: A 16-year-old female patient with a six-month history of headaches and no other neurological history. She was hospitalized for diagnostic evaluation by the neurology department, where her condition was interpreted as primary migraine-type headaches without aura. Among the tests performed during her hospitalization, an intracardiac mass in the right atrium was detected, compatible with cardiac myxoma, confirmed by postoperative histopathological analysis. She evolved favorably without presenting neurological symptoms again.

Conclusion: The occurrence of migraines in patients with cardiac myxomas is rarely reported, and this condition has only been associated with myxomas located in the left heart chambers. Describing the different published pathophysiological mechanisms that can lead to this neurological condition, and due to the unusual nature of the case reported, given the location of the neoplasm in the right heart chambers, it is considered possible that the migraine may have originated from the synthesis and release of vasoactive intestinal polypeptide by the myxomatous tumor. 

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