International Journal of Clinical & Medical Images

ISSN: 2376-0249

Case Blog - International Journal of Clinical & Medical Images (2015) Volume 2, Issue 11

An Uncommon Cause of Dyspnea

An Uncommon Cause of Dyspnea

Author(s): Pablo Ruiz dada, Mikel Escalante Boleas, Miriam Lopez Martinez, MIreia De la pe�


Abstract: We introduce the case of a previously smoker 58-years old lady who presented to us suffering from dyspnea with repeatedly normal cardiac and pulmonary function test. After ruling out typical causes, uncommon differential diagnostic options should be considered.

Keywords: Dyspnea; Mediastinum; Vascular malformation

A 58 year-old woman, previously smoker, presented with a three month story of short of breath. She was sent by his pulmonologist, because of an elevated D-dimer while he was non respondent to standard treatment with oral steroids and inhaled bronchodilators. Except for a pectoral angioma presented 20 years ago, her physical examination was otherwise normal. Lab results, chest X ray, respiratory function test and echocardiogram were unremarkable. An angio CT scan to rule out pulmonary embolism was performed and found a 30 x 40 mm mediastinal mass (Figure 1a). A thoracic MRI confirmed the extension of the mass to the thoracic wall being compatible with a low-flow venous malformation (Figure 1b).

Gathering all the data, we consulted the radiologist and referred the patient to the respiratory clinics in order to assess full resection surgery. Although vascular malformation have been reported previously in the literature, most of them are asymptomatic and presented out of the mediastinum [1,2]. We highlight here, the concurrence of a rare location and a rare presentation of a venous malformation. This abnormal communications between pulmonary arteries and veins may appear throughout the economy, are usually asymptomatic and because of that, they are not always subsidiary of definitive therapy. As just 25% of them grow slowly (usually at a rate of 0.3 to 2 mm/ear), symptoms like headache, seizures, stroke, massive hemoptysis or a big-sized malformation would give the indication of therapeutic assessment. Embolization, surgical excision or lung transplantation are valídate treatment options [3]. 


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