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We present the case of a 57-year-old man with ataxia and clinical and radiological features of cerebellar degeneration. Computed tomography showed a mediastinal mass and the patient was diagnosed with thymic carcinoma. Paraneoplastic cerebellar degeneration is aninfrequent disorder and its association with thymic carcinoma very rare.LEARNING POINTSUnexplained subacute neurological symptoms in an adult patient should beconsidered in the possibility of a paraneoplastic syndrome. In patients over 50 years of age, acute or subacute cerebellar degeneration is paraneoplastic in 50% of cases.Small-cell lung cancer is the most common cancer-causing paraneoplastic cerebellar degeneration (PCD). Despite this, mediastinal tumours such as thymus neoplasms should not be ruled out in the differential diagnosis.Antineuronal antibodies are not detected in 40% of patients with PCD, sothe exclusion of other aetiologies or the demonstration of cancer formsthe basis of the final diagnosis.

The authors describe the case of a 43-year-old man with a right-leg knee amputation performed 14 years prior. He presented to hospital with dyspnea. A pulmonary embolism was detected. A Doppler ultrasound test showed deep vein thrombosis (DVT), which affected the stump of the amputated limb. When a pulmonary embolism is detected in a patient with an amputated lower limb, an exploration of the stump should be performed to rule out this uncommon complication.

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