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Biomedical subjects

Marco Cei

Publications and source records attributed to Marco Cei.

8 recordsLinked to original sources

Floating heart metastasis.

Renal-cell carcinoma accounts for 2 percent of all cancers and a third of the patients who undergo resection of localized disease will have a recurrence. We report a case of a 58-year-old man with a right atrial mass protruding into right ventricle arising from the inferior vena cava, found by echocardiography, which was subsequently proved to be a recurrence of renal-cell carcinoma 25 years after radical left nephrectomy. This pattern of late recurrence is rare and suggests that this tumor's aggressive nature contributed to the degree of heart invasion and the patient's rapid death.

Carcinoma, Renal Cell↗

Multiple myeloma in a patient with fever of unknown origin and cholestasis.

The differential diagnosis of fever of unknown origin includes infectious diseases, malignancies and connective tissue diseases. Multiple myeloma is not usually included in the differential diagnosis, nor is it considered a frequent cause of cholestasis in the absence of amyloidosis. We report a case of multiple myeloma in a patient presenting with a long-standing fever and cholestasis. The patient underwent a long and unfruitful series of diagnostic procedures, including liver biopsy. The clue to the diagnosis, established with a marrow biopsy, was the presence of a paraprotein in the serum.

Cholestasis↗

The importance of clinical suspicion in diagnosing pulmonary embolism: a case of false-positive high probability radionuclide perfusion lung scan.

The accuracy of scintigraphic evidence of perfusion defects, even when classified as 'high probability' by matching with ventilation techniques or thoracic roentenograms is unsatisfactory when used without a pre-test clinical evaluation of probability. Although unusual, a complete or near-complete unilateral absence of perfusion in a lung with normal perfusion controlaterally must alert clinicians to the possibility of a false-positive result. In such instances, the administration of therapeutic dosages of fibrinolitic and antithrombotic agents (or even surgery) may lead to deleterious consequences. We report a patient with malignancy causing extrinsic narrowing of the pulmonary artery leading to a drastic impairment in the perfusion of an entire lung, compatible with, but not diagnostic of massive pulmonary embolism.

Constriction, Pathologic↗