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A 7-year-old Icelandic gelding was presented with acute severe dyspnea of one day duration and purulent nasal discharge that had been present for 6 weeks. Clinically, the initial examination focused on severe enlargement of the mandibular and retropharyngeal lymph nodes as well as a mixed dyspnea.The diagnosis of a malignant lymphoma was evident following laboratory diagnostics, endoscopy, and cytological examination of a fine needle aspiration of a mandibular lymph node. The gelding was euthanized due to the poor prognosis and a significantly disturbed general condition. Pathohistological examination revealed a multicentric T-cell-rich B-cell lymphoma., Competing Interests: Die Autoren bestätigen, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

We report the case of a 52 years old patient with dilated cardiomyopathy. Ischemic heart disease was excluded by coronary angiography. However, bilateral hilar lymphadenopathy was present on plain chest radiography. Transbronchial biopsy showed non-necrotizing, epitheloid cell granulomas and thus sarcoidosis was diagnosed. A MRI of the heart confirmed the cardiac involvement by the sarcoidosis with corresponding structural changes.

The chest roentgenogram in a 46-year-old woman with dyspnoea for several months revealed global cardiac enlargement. Echocardiography demonstrated a tumour in the right atrium, about 4 x 5 cm, as well as circular pericardial effusion. Septic temperatures occurred in the further course, and blood cultures grew Staphylococcus aureus. Recurrent pulmonary emboli and cerebral emboli with hemiparesis, especially of the brachiofacial region, occurred despite heparinization. Shortly after hospitalization a chest roentgenogram revealed a round shadow, about 1 cm in diameter, in the left upper lobe. The patient died in cardiogenic shock on the 16th hospital day. Autopsy showed the tumour to be a poorly differentiated round-cell sarcoma, originating from the wall of the right atrium, infiltrating the myocardium through to the epicardium and extending to the tricuspid orifice. The foramen ovale was open, making paradoxical emboli at atrial level possible.