Tumours in the olecranon are rare. A 62-year-old man presented with a 3-week history of pain in his right elbow that was relieved using routine painkillers. Persistent pain resulted in a reduction of the range of motion in the elbow and pain in the extensor and flexor groups of muscles of the forearm, which resulted in the patient seeking medical assistance. Radiography showed a round, radiolucent focus in the depth of the distal ulna. Computed tomography imaging of the thorax demonstrated one solid soft tissue mass. Histological investigation showed the cancer was a poorly differentiated adenocarcinoma. The patient received local radiotherapy and systemic chemotherapy, but he died of his primary disease 3 months later.
Fibrous mediastinitis is a rare progressive disease characterized by invasive proliferation of fibrous tissue in the mediastinum. This tissue proliferation leads to compression of the mediastinal structures in the thoracic cavity, including the pulmonary vessels, esophagus, and trachea, causing corresponding symptoms and complications such as pulmonary hypertension. In clinical practice, the diagnosis of fibrous mediastinitis is often delayed or missed because of the rarity and variable clinical manifestations of this condition. This article presents a case of idiopathic fibrous mediastinitis that manifested as pleural effusion of unknown etiology along with a review of the relevant literature.
Non-tuberculous mycobacterial spondylitis is a rare spinal infection, especially among patients without acquired immunodeficiency syndrome or other immune impairments. Because of its rarity and non-specific clinical manifestations, diagnosis is often delayed or missed. Here, we present a case of Mycobacterium chelonae spondylitis in an immunocompetent patient and review the relevant literature.
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