Anterior and Posterior Mediastinum Leiomyomas arising from the parietal pleura
2019
Abstract A 72-year-old male was found with enlarged nodes in the anterior and posterior mediastinum on screening imaging studies of the chest. The anterior node appeared as a single cystic lesion without significant metabolic activity on scintigraphy images. The posterior node was a single solid lesion in the lower left peri-esophageal space above the diaphragmatic crura with moderate metabolic uptake. Endoscopic ultrasound allowed a transesophageal endosonography-guided fine needle aspiration of the posterior node. The anterior lesion was sampled via percutaneous transthoracic approach. Biopsy revealed aggregates of mesenchymal cells with spindle nuclei; immunohistochemistry confirmed two primary leiomyomas of the mediastinum.
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