[A rare cause of superior vena cava thrombosis: pulmonary arteriovenous malformations].
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Biomedical subjects
Publications and source records attributed to J E Bourkadi.
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BACKGROUND: Sarcoïdosis is a benign systemic granulomatosis whose aetiology remains unknown. Lung is the most frequently involved organ. The pseudoalveolar form of this disease is known to have an acute onset and is quite uncommon. Therefore, diagnosing such a rare variety of sarcoidosis is rather often challenging. OBSERVATIONS: In the present article, the authors report two cases of pseudoalveolar sarcoidosis. The patients, both young adults, showed no suggestive signs of sarcoidosis at first presentation. This resulted in a considerable delay to diagnosis and to the corticosteroid therapy. CONCLUSION: The authors emphasize the rarity of the pseudoalveolar form of sarcoidosis. They insist on its roentgenographic characteristics and demonstrate the functional benefits allowed by the precocious medical management. They also propose a current review of the literature.
Leptospirosis is a systemic infection transmitted to man by a variety of animals. Classical manifestations include fever, liver and renal involvement, meningoencephalitis and hemorrhage. Pulmonary involvement is less common, generally expressed by hemoptysis and bilateral reticulonodular infiltration on the chest x-ray. Pulmonary disease is one of the principal causes of mortality. We report the cases of two patients aged 22 and 32 years who were hospitalized for moderately abundant hemopysis and fever. The diagnosis of leptospirosis with pulmonary involvement, strongly suggested by the classical extrapulmonary signs and was confirmed later. The patients were given antibiotics (amoxicillin, cycline). Clinical, biological and radiological outcome was favorable.
Chordoma is a rare tumor which develops from remnant notochord tissue. Sacro-coccygeal and spheno-occipital localizations predominate. We report a thoracic chordoma of the fifth thoracic vertebra with mediastinal expansion in a 70-year-old woman. Pathology confirmed the diagnosis revealing a lobulated architecture, presence of physaliphorous cells and intracellular mucoid substance. Immunohistochemistry can also be very helpful in atypical cases: positive for anti-cytokeratine, antivimetin and anti-protein S100 antibodies. Spontaneous outcome is fatal. Early and complete resection is the only way to improve prognosis.
Since the advent of antituberculosis drugs, endobronchial tuberculosis has become an exceptional finding, often in a misleading context. Cases reported generally occur in patients with immune deficit. We report 21 cases of endobronchial tuberculosis in immunocompetent patients (mean age 37 years). Clinical and radiological signs were not specific. Bronchial fibroscopy was essential for certain diagnosis, particularly in budding forms. Early treatment reduced the risk of complications. Based on our experience with these 21 cases, we propose a discussion of the pathogenic mechanisms involved and the diagnostic difficulties encountered as well as the disease course and risk of complications that can be expected.
Pleural involvement is uncommon in sarcoidosis, observed in less than 5% of cases. We report two cases. Both patients were women. In the first patient, signs of sarcoidosis included pleural, mediastinal node, and multiple joint involvement as well as nasal obstruction, sicca syndrome and subcutaneous nodules. Diagnosis was established on pleural and nasal biopsies. For the second patient, in addition to the pleural involvement, there was interstitial lung disease and cervical, epitrochleal and deep abdominal node enlargement. Diagnosis was established from serial bronchial biopsies, pleural biopsies and peripheral node biopsies. Pleurisy is generally observed in cases with extensive lung involvement with extrathoracic localizations. Blind pleural biopsy is not very sensitive for diagnosis of sarcoidosic pleurisy. Light yellow exsudative fluid with a high lymphocyte count in a patient with a radiological and clinical presentation suggestive of tuberculosis, which must be ruled out, is a characteristic feature.