Vasculopatía trombótica cutánea asociada a embolismo paradojal: reporte de caso

2011 
El embolismo paradojal es definido como un embolismo arterial sistemico, producido por el pasaje de un trombo venoso al sistema circulatorio arterial, asociado a un cortocircuito derecha-izquierda intracardiaco. Es un fenomeno relativamente raro, representando cerca del 2% de todos los casos de embolismo arterial. Reportamos el caso de una mujer de 20 anos de edad con antecedente de varios episodios de sincope, hipertension pulmonar y foramen oval patente, admitida en el hospital por disnea y dolor abdominal asociado a lesiones tipo placas induradas eritemato-violaceas localizadas en hemiabdomen derecho. La biopsia cutanea revelo vasos sanguineos venosos trombosados que comprometian dermis e hipodermis produciendo necrosis grasa. En razon a los hallazgos cutaneos y antecedentes de la paciente se postulo el diagnostico de embolismo paradojal. Paradoxical embolism is defined as a systemic arterial embolism, produced by the passage of a venous thrombus to blood circulatory system, associated a right-to-left intracardiac shunt. It is relatively rare, representing about 2% of all cases of arterial embolism. We report the case of 20-year-old women with a history of several episodes of syncope, pulmonary hypertension and patent foramen ovale, admitted to the hospital with dyspnea and abdominal pain associated with purplish erythematous indurated plaques located in right abdomen. Skin biopsy revealed thrombosed venous blood vessels that compromise dermis and hypodermis producing fat necrosis. Because the cutaneous findings and previous history of the patient, we diagnosed her with paradoxical embolism.
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